M318C MH M322C MH Material Handler Wheel Excavators ® M318C MH M322C MH Cat ® 3056E DIT ATAAC Diesel Engine Gross power 119 kW/159 hp 127 kW/170 hp Net power 113 kW/151 hp 122 kW/164 hp Operating Weight 21 460 kg 24 690 kg Maximum Reach (stick pin) 11 000 mm 12 500 mm Maximum Height (stick pin) 12 000 mm 13 300 mm
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M318C MHM322C MHMaterial HandlerWheel Excavators
®
M318C MH M322C MHCat® 3056E DIT ATAAC Diesel Engine
Gross power 119 kW/159 hp 127 kW/170 hpNet power 113 kW/151 hp 122 kW/164 hp
Operating Weight 21 460 kg 24 690 kgMaximum Reach (stick pin) 11 000 mm 12 500 mmMaximum Height (stick pin) 12 000 mm 13 300 mm
M318C MH and M322C MH Material Handler Wheel ExcavatorsThe C Series incorporates innovations for improved performance and versatility.
EngineThe new Cat 3056E DIT ATAACelectronically controlled engineprovides increased horsepower to serve the advanced hydraulic system.Performance, reliability, durability,excellent fuel economy, and low sound levels help maximize workingefficiency. The innovative coolingsystem is easy to clean and featuresincreased cooling capacity through a temperature sensing on-demand fan.pg. 4
HydraulicsThe hydraulic system, featuring aseparate swing pump and load-sensingsystem, provides maximum power andexceptional controllability leading tohigh performance in all applications.The technologically advanced ToolControl option adds work tool flexibilityto the hydraulic system. Using themonitor panel in the cab, the operatorcan quickly select pre-programmedhydraulic settings to optimizeperformance of up to five differentwork tools. pg. 5
Operator ComfortThe new operator station designmaximizes operator comfort andvisibility. A new comfort seat with airsuspension (optional), ergonomicjoysticks, a new soft switch panel and the WEX Multipro monitor are some ofthe features that help allow the operatorto work free of fatigue and so remainattentive to the job in hand. Theoperator station also offers more spaceto the side and the front and featuresautomatic climate control. pg. 8
Increased lifting capacity, improved cycle times, and ease of operation lead to increased productivity and cost effective solutions.
A Step Ahead in EnvironmentalConsiderationsHelping to protect our environment, the engine has low operator andspectator sound levels. In addition thehydraulic system can be operated withbiodegradable oil. Longer filter changeintervals and more fuel efficiency also help reduce impact on ourenvironment. pg. 6
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Booms and SticksThe box section design of all front-endstructures, together with the optimumbalance of durability and weightprovide the strength needed for even the toughest application. Multiple boomand stick options allow you to pick thebest match for your job. pg. 12
Maintenance and ReliabilityAll daily maintenance points, such as oil level or greasing ports, areaccessible from ground level. A centralized greasing port located in the engine compartment providesprotection, and allows the operator togrease the front linkage and swingbearing without climbing onto the machine. pg. 14
Complete Customer ServiceYour Cat dealer offers a wide range of services that can be set up under acustomer support agreement when youpurchase your equipment. The dealerwill help you choose a plan that cancover everything from machine andattachment selection to replacement. pg. 16
Ease of OperationOn the new WEX Multipro monitorpanel, a variety of easy-to-read,language-based data is displayed. At all times, the operator can check the machine status allowing forcontinuous production optimization. pg. 7
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Elevated CabTwo cab risers are available tomaximize viewing to all sides of themachine. A fixed cab riser offers 1200 mm of additional height or thehydraulic cab riser offers infinitelyvariable heights up to 2400 mm ofadditional height. pg. 10
Material Handling UndercarriageWelded outrigger design providesmaximum stability for MH applications.Heavy-duty cylinder protection and boxsection design help provide excellentdurability. Hydraulic hose routinginside of the frame prevents hosedamage. A sealed and lockable toolboxis mounted between the steps. pg. 11
Work ToolsAn assortment of grapples and shearsprovide a total solution package to theend user. Built for performance anddurability these tools deliver highproductivity, long service life, andexcellent value. pg. 13
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Cat 3056E DIT ATAAC EngineThe six-cylinder, turbocharged, air-to-air aftercooled and electronically controlled engine is built for power, reliability, low maintenance, excellent fuel economy and low emissions.
Turbocharged and Air-to-AirAftercooled. The turbocharger packsmore dense air into the cylinders formore complete combustion and loweremission improving performance and engine efficiency. These benefitsare especially useful at high altitudes.The air-to-air aftercooler reducessmoke and emissions by providing a cooler inlet air for more efficientcombustion. This also extends the lifeof the piston rings and engine bore.
Cooling System. Features an electronicallycontrolled variable speed on-demand fan.The fan is driven by a hydraulic motor andits speed is determined by engine coolantand hydraulic oil. Cooler operatingconditions allow lower average fan speedsresulting in reduced fuel consumption andlower noise levels. The electronic enginecontrol continuously compensates for thisvarying fan load, providing consistent nethorsepower, regardless of operatingconditions. The fan and air conditionercondenser are both hinged for easiercleaning of the cores.
Engine Oil. Caterpillar® engine oil isformulated to optimize engine life andperformance and is strongly recommendedfor use in Cat diesel engines. The engineoil change interval is increased to 500hours.
Low Sound, Low Vibration. The 3056Edesign improves operator comfort byreducing sound and vibration. The M318CMH and M322C MH has been awarded theGerman Blue Angel for low operator andspectator sound levels.■ Operator sound level, LPA, 72 db(A)■ Spectator sound level, LWA 102 db(A)
Factory Remanufactured Parts. A largechoice of factory remanufactured parts and dealer proposed repair options increasemachine availability and reduce total repair costs.
Bosch Fuel Injection Pump. The newBosch injection pump is electronicallycontrolled and helps to reduce fuelconsumption.
Service. The engine is longitudinallymounted on the right side to make it easierto access the oil filter, oil filler, oil drainvalve, fuel filter, V-belt tightener, and the oil dipstick. All are accessible from ground level.
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HydraulicsFast cycle times, increased lift capacity, and superior stability combine to maximize yourproductivity in any job.
Automatic Engine Control.Automatic Engine Control (AEC)reduces engine rpm if no operation isperformed, maximizing fuel efficiencyand reducing sound levels.
Dedicated Swing Pump. A separatededicated variable displacement pistonpump and fixed displacement pistonmotor power the swing mechanism.This closed hydraulic circuit helps toprovide maximum swing performancewithout reducing power to the mainhydraulic functions.
Caterpillar’s XT-6 ES Hoses.To meet the critical flexibility andstrength demands of wheel excavatorapplications, XT-6 ES hoses areinstalled in the high pressure hydraulicsystem. XT-6 ES hoses are made offour overlapping insulated wire spiralwraps bonded together for highabrasion resistance, excellentflexibility and easy installation. Hose routings are designed to protectfrom damage in this way reducinghose failure downtime. O-ring faceseal couplings provide positive sealingfor reliable and leak-free connections.
Auxiliary Hydraulic Valves.The versatility of the hydraulic systemcan be expanded with multiple valve options.
Multifunction Valve. The multi-function valve is the core of theinnovative Tool Control system. This valve can be electronicallyprogrammed for flow direction (one or two ways), pressure and flowrate. The valve also features priorityflow to maximize control of the worktool. This on-board electro-hydraulicfunctionality eliminates the need formanual readjustments to the auxiliaryhydraulics each time a different tool is used.
Medium Pressure. A mediumpressure valve is available foruse with standard mediumpressure tools.
Hydraulic Cylinder Snubbers.The hydraulic cylinder snubbersat the rod end of boom cylinders,both ends of stick cylinders, andbucket cylinder rod end cushionshocks, reduce sound andincrease cylinder life, keepingthe machine working longer.
Caterpillar Hydraulic Oil.Maximum protection againstmechanical and corrosive wearin all hydraulic systems. Its highzinc content reduces wear, andextends pump life. Providedcertain requirements are met(e.g. S•O•Ssm analysis every 500 hours), the hydraulic oilchange interval is extended from2000 hours to 4000 hours.
Controllability. The hydraulicsystem offers precise control ofthe M318C MH and M322C MH,reducing operator fatigue,improving operator effective-ness and efficiency, whichultimately results in enhancedperformance.
Boom Damping. Boom damping on theMH boom provides increased stability andreduced cab vibration. This contributes toprecise machine controllability.
Stick Regeneration Circuit. Stick regeneration circuits increaseefficiency and help increase controllability for higher productivity and lower operating costs.
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Environmentally Responsible DesignCaterpillar machines not only help you build a better world, they help maintain and preservethe fragile environment.
More Performance. The M318C MHand M322C MH are designed toprovide more performance yet use lessfuel than ever before. This means morework done in a day, less fuel consumedand minimal impact on our environment.
Low Exhaust Emissions. The Cat 3056Eused in the M318C MH and M322CMH is a low emission engine designedto meet EU Stage II Off-Highway andUS EPA Tier II emission regulations.
Biodegradable Hydraulic Oil. Available as an option, CaterpillarBiodegradable Hydraulic Oil (HEESTM)is formulated from a fully saturatedHydraulic Environmental with EsterSynthetic base stock and selectedadditives. It has excellent high-pressureand high-temperature characteristics andis fully compatible with our hydrauliccomponents and allows operation over a broad temperature range. Cat’s HEESis fully decomposed by soil or watermicroorganisms, providing a moreenvironmentally-sound alternative tomineral-based oils. This is available as an attachment.
Fewer Leaks and Spills. Lubricant fillers and drains are designedto minimize spills. Cat O-Ring FaceSeals, XT Hose and hydraulic cylindersare all designed to help prevent fluidleaks that can reduce the machineperformance and cause harm to theenvironment.
Longer Service Intervals. 500-hour engine service intervals andCat Extended Life Coolant/Antifreeze mean that fluid renewal and disposal are less frequent.
Rebuildable Components.Many of the major components used in the M318C MH and M322C MH are designed for remanufacturing. This means you have high-quality,certified rebuilt replacement partsavailable at a fraction of the cost of new parts. There is less scrap fordisposal.
Quiet Operation. Not only is the cabquiet, but spectators outside hear lessnoise too. As a result of the new variablespeed fan and remote cooling system allmachines meet the German Blue Angelaward for low sound operation.
Ozone Protection. To help protect the earth’s ozone layer, the M318C MHand M322C MH’s air conditioning unituses only R-134a refrigerant which doesnot contain harmful chlorofluorocarbons(CFC’s).
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Ease of OperationDesigned for simple, easy operation, the M318C MH and M322C MH allow the operator tofocus on production.
WEX Multipro. New, compact Multiproenhances viewing while displaying a variety of easy-to-read andunderstandable information in various languages.
Pre-start WEX Multipro System.The Pre-start Multipro system alerts the operator of low coolant, engine oilor hydraulic oil levels, before startingthe engine. When the engine keyremains in the “ON” position for morethan 2 seconds, a warning indicator andmessage are displayed if actual fluidlevels are lower than required.
Filter and Oil Change Warnings.The filter and oil change warnings are displayed when the number of hoursused reaches the maintenance interval.
Power Modes. There are three power modesettings. The operator can choose the bestpower setting for both engine andhydraulic power versus fuel efficiency.■ Economy (M318C/M322C).
This mode is often used for fine work,material sorting, and applications withlimited space. The hydraulic speed isreduced which lowers swing aggressive-ness. This mode also ensures minimumfuel consumption.
■ Power (M318C/M322C). This mode is used for normal materialloading and handling applications.
■ Travel (M318C).The travel mode is automatically set whenthe travel pedal is actuated. It providesmaximum speed and drawbar pull.
■ Maximum Power/Travel (M322C). This mode is used for jobs demandinghigh powered lifting. It is also auto-matically set when the travel pedal is actuated. providing maximum speedand drawbar pull.
Integrated Tool Control System.The integrated Tool Control systemallows the operator to quickly select a tool out of five pre-set combinations,eliminating the need to re-set thesehydraulic parameters each time a tool is changed. Specific flow and pressurecan be programmed easily as well asone-way/two-way hydraulic functions. Each of the five programmed tools can even be given a specific name.
Languages. 14 different languages are available on the M318C MH andM322C MH.
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All-day operator comfortThe M318C MH and M322C MH interior layout maximizes operator space, provides exceptional comfort, and reduces operator fatigue.
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Skylight. A unique large polycarbonateskylight provides excellent upwardvisibility.
Viewing Area. There is excellent viewingarea through wide windows. The lower of the two-piece window can be openedseparately for better air ventilation or be slid into the upper window to completelyopen the front bay. An optional one-piecewindow is available.
Wipers. Designed to maximize visibility in poor weather conditions. The parallelwiper system covers almost the completefront window without leaving unwipedareas in the immediate line of sight of the operator.
Large Storage Compartment. Locatedbehind the seat, provides sufficient roomfor a cooling box. An optional cover isavailable to close off the storage space if preferred.
Easy Access. Conveniently located grabirons and large steps mounted to theundercarriage, together with the tiltablesteering column and the tiltable left sideconsole, provide easy access to the cab.
Interior Operator Station. The M318C MHand M322C MH operator work station haslow noise levels. The controls have beenconveniently placed for easy adjustmentand ease of operation. The seat design isergonomic and adjustable and the ventilationsystem directs air where it is needed most.
Seat. The new wheel excavator seat withtwo-tone color design offers adjustableback rest, lumbar support, cushion lengthand cushion angle. Independentlyadjustable armrests and pilot controlsallow tailored ergonomics to suit operatorpreference. Optional Comfort seat providesair suspension, seat heating, horizontalsuspension and automatic adjustment forthe operator’s weight to help maximizecomfort.
Consoles. Designed for simplicity andfunctionality, the left side console istiltable for excellent access to the cab.Dozer blade and/or outrigger controls as well as the radio-off switch are locatedon the left console.
Automatic Climate Control. Fully auto-matic climate control adjusts temperatureand air flow.
Greater Control Convenience. Each of the controls is positioned within easy reach of the operator. Joysticks control allimplements and swing functions. Via thesoft switch panel, the operator controls the oscillating axle, power modes, parkingbrake, automatic engine speed control, andother hydraulic functions are in an easy-to-read environment.
Cab Mounts. The cab shell is attached tothe frame with resilient mounts, reducingvibration and sound.
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Elevated CabFixed and hydraulic cab risers are available to maximize viewing to all sides of the machine.
Hydraulic Cab Riser. The hydraulic cab riserdesign provides the most suitable solutionwhen high flexibility in cab height is needed.The lift arms on the hydraulic cab riser arebox-section designed for greater cab stability.Two heavy-duty hydraulic cylinders providequick and controlled up and down travel. With the cab in topmost position, the cylindersare retracted to ensure excellent stability. In the event of a hydraulic malfunction, the cab can be lowered using either a leverinside the cab or one on the frame at groundlevel. The linkage is a parallelogram design,which keeps the cab level in all positions.
Top Position. The top position raises the cabby 2400 mm. This provides optimal viewing toall sides in different applications such as scraphandling, log handling, and various load/unload tasks. The cab’s position is infinitelyvariable.
Medium Position. The medium position placesthe cab forward by 500 mm more than in the travel position, for increased visibility.
Bottom Position. The bottom position is used for shipping and travel position. Whenequipped with a VA boom or one-piece-boom,this is the only position allowed for travellingon public roads.
Fixed Cab Riser. The fixed cab riseroffers a very stable and comfortablemethod to raise the cab. The fixedcab riser lifts the cab by 1200 mm to offer better viewing to all sides.Well-positioned steps leadcontinuously from ground level tothe raised cab. In shipping position,the cab is unmounted to meetnational road regulations.
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UndercarriageUndercarriage and axle design provides maximum strength, flexibility and mobility.
Material Handling Undercarriage. The MH undercarriageprovides maximum durability and a long life. A totallywelded design, this undercarriage provides the stabilityneeded for MH applications and is especially well suitedfor machines with a Hydraulic Cab Riser. The swingbearing is mounted directly in the center of the under-carriage to optimize lifting and reach in all directions. The four outriggers offer larger cylinders, optimizedkinematics, increased spread. Hydraulic lines are routedthrough the frame and cylinders have heavy-duty guards to provide protection from damage.
Pin-On Undercarriage. The Pin-On undercarriage is alsoavailable on MH machines. This undercarriage provides the flexibility of adding a dozer blade if required. Thedozer blade offers a large floor design to decrease groundpressure and reduce impact to the work surface. The dozerblade can be mounted either on the front or rear end.
Heavy Duty Axles. The front axles offer great oscillatingand steering angles. The transmission is mounted directlyon the rear axle for protection and optimum groundclearance.
Tool Box. A large sealed and lockable toolbox is mountedon the undercarriage between the steps on the machine’sleft side. A second optional toolbox is available for theright side.
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Booms and SticksImproved strength and kinematics help bring higher production and efficiency to all jobs.
MH Booms and Sticks. The M318C MHboom (6200 mm) and M322C MHboom (6800 mm) have been redesignedto handle increased lifting capacities.The new stick range offers leading sideplates to maximize protection ofhydraulic lines. The lines are fitted inbetween the two side plates offeringprotection from damage.
M318C MH Sticks■ Drop Nose Stick. The drop nose stick
(4900 mm) offers reach and liftingrequired for typical MH applications.The stick contains high pressure andmedium pressure hydraulic lines.
■ Straight Stick. The straight stick(4200 mm) offers a solution forsorting grapple applications. The stick contains high pressure andmedium pressure lines and can beordered with a cylinder for movingthe grapple forward and back.
M322C MH Sticks■ Drop Nose Stick. The drop nose stick
(4900 mm) offers reach and liftingrequired for typical MH applications.The stick contains high pressure andmedium pressure hydraulic lines.
■ Long Drop Nose Stick. The long drop nose stick (5900 mm) offers a solution when maximum reach is required. The stick contains highpressure and medium pressurehydraulic lines.
■ Straight Stick. The straight stickoffers (4800 mm) a solution for MHapplications requiring an additionalhydraulic function such as a sortinggrapple. The stick contains highpressure and medium pressure linesand can be ordered with a cylinder to offer forward and back motion ofthe work tool.
Standard Booms and SticksA variable adjustable boom and curvedone-piece boom are also available forthe M318C MH and M322C MH withthe following straight stick options:■ M318C (2200/2500/2800 mm)■ M322C (2200/2500/2900 mm)
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Tool Control System, Quick Couplers, Generator Sets, and Work Tools.User friendly, integrated electro-hydraulics make changing tools easy and quick and allow the operator to focus on efficient work.
Tool Controller. Five hydraulic pumpflow and pressure settings can be preset on the WEX Multipro,eliminating the need to adjust thehydraulics each time a tool is changed.Selecting the proper setting from the WEX Multipro’s menu instantlyprovides the operator with the optimalhydraulic settings for the specified tool.
Quick Coupler. Caterpillar QuickCouplers provide quick tool exchangetime while maintaining top machineperformance.■ The universal Quick Coupler hydraulic
circuit avoids difficult and costly retro-fitting of Quick Coupler hydraulics andallows use of the most frequently usedQuick Coupler systems. Ask your Catdealer for more specific information.
■ The hydraulic version is available inthe standard and narrow version andmakes it easy for the operator toswitch tools without leaving the cab.
■ The spindle version is a user friendlymechanical version that can later beconverted into the hydraulic version if required. The spindle version is alsoavailable in the narrow and standardversion.
■ A lifting hook can be added to the Quick Coupler for maximum lift capacity.
■ The new Cat CW-Series QuickCouplers make it possible for theoperator to simply release one worktool and pick up the next, making yourwheel excavator highly versatile. The Cat CW-Series Quick Couplersmaximize machine efficiency in acost-effective way.
Generator Set. The hydraulically drivengenerator set (12.5 kW) offers electric power needed for magnet applications. With a priority flow valve, the power from the generator is provided at a constant level.
Orange Peel Grapple. The mostcommon tool for material handlingapplications, this grapple isavailable in a range of sizes andprovides a solution for a wide rangeof material types. The grapple isfree swinging and has unlimitedleft and right rotation.
Multi-Grapple. The Multi-Grapple withunlimited left and right rotation is the ideal tool for stripping, sorting,handling and loading. In combinationwith the MH straight stick and linkage,this grapple provides controlled forward and back movement.
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Maximum Uptime – Service and MaintenanceExtended service intervals and easy access reduce operating costs.
Extended Service Intervals. M318CMH and M322C MH service andmaintenance intervals have beenextended to reduce machine servicetime, increase machine availability andreduce operating costs. Using S•O•Shydraulic oil change intervals can beextended from 2000 hours to 4000hours. Engine coolant change intervalsare up to 6000 hours when CatExtended Life Coolant/Anti-Freeze isused.
Easy, Wide Open Access. Gull-wingdoors with pneumatically assisted lift cylinders lift up effortlessly forexcellent access to the engine and all service points.
Easy to Clean Coolers. Flat fins on all coolers reduce clogging and make iteasier to remove debris.
Ground Level Service. The design andlayout of the M318C MH and M322CMH was made with the servicetechnician in mind. The fuel waterseparator, engine oil filter, battery,radiator fluid level, fuel filter, engine oilgauge, hydraulic oil level, air cleanerand pilot system filter are all easilyaccessible at ground level allowingcritical maintenance to be done quicklyand efficiently.
Engine Inspection. The engine can be accessed from both ground level and from the upper structure. The longitudinal layout ensures that alldaily inspection items can be accessedfrom ground level. The engine andpump compartment are separated by a steel wall.
Water Separator. The water separatorremoves water from fuel even whenunder pressure and is located in theengine compartment.
Remote Greasing Block. A greasingblock located in the engine compart-ment with two grease points for the swing bearing and one for the frontend attachment delivers grease to hard-to-reach locations.
Hydraulic Tank Drain. The hydraulictank drain enables simple, spill-freefluid changes.
Handrails and Steps. Well-sizedhandrails and steps assist the operator in climbing on and off of the machine.
Diagnostics and Monitoring.The M318C MH and M322C MH isequipped with S•O•S sampling ports for the hydraulic system and engine oil. A connection for the ElectronicTechnician (ET) is conveniently located in the cab.
Anti-Skid “Punched-Star” Plate.An anti-skid punched-star plate coversthe top of the steps and the upperstructure to prevent slipping duringmaintenance.
Caterpillar Braided Harnesses.Designed and manufactured to resist the most severe conditions. Harnessesare made of large section, colored andnumber-coded wires, with the completeharness being protected by an abrasionresistant braiding. Harnesses areproperly routed and securely clamped to ensure their reliability and life.
Front Compartment. The front servicecompartment provides ground levelaccess to the batteries, ATAAC, AC condenser and the air filter.
Swing-Up AC Condenser. Without usingtools, the AC condenser swings upvertically to allow cleaning on bothsides as well as clear access to theATAAC.
Fuel Tank Drain. Located at the bottomof the upper frame, the fuel tank drainwith a hose connection allows simple,spill free fluid draining.
Air Filter. Caterpillar Radial Seal airfilters do not require tools to servicethem, thus reducing maintenance time.The air filter features a double-elementconstruction and built-in precleaner for superior cleaning efficiency. When the air cleaner plugs, a warning is displayed on the monitor screeninside the cab.
Capsule Filter. The hydraulic return filter, a capsule filter, is situated inside the hydraulic tank. This filter preventscontaminants from entering the system when hydraulic oil is changed andkeeps the operation clean.
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XT-6 ES Hoses. Premium quality rubber,precision 4-ply wire reinforcement andcouplings are all unique features of Cathoses which deliver top performanceand long life. O-Ring face seals providepositive sealing for reliable and leak-free connections.
Caterpillar Batteries. Caterpillarmaintenance-free, high output batteriesare designed for high cranking powerand maximum protection againstvibration.
Fuel Filters. Cat high efficiency fuelfilters with a Stay-Clean ValveTM
feature cellulose/synthetic blend mediathat remove more than 98 percent ofparticles that are two microns or larger,increasing fuel injector life.
Electronic Technician (ET).The electronic engine and machinecontrollers provide detailed diagnosticpossibility for service technicians. The ability to store both active andintermittent indicators simplifiesproblem diagnosis and reduces totalrepair time, resulting in improvedmachine availability and loweroperating cost. ET can be used to...■ access data stored in the engine and
transmission controls via the Cat DataLink System
■ display the status of parameters suchas engine speed, gear engaged,control switch position, etc.
■ view active and non-active diagnosticcodes and clear them after repair
■ perform diagnostic tests andcalibrations of electro-hydrauliccomponents
■ view current configuration andchange parameter settings
■ flash new Caterpillar software intothe Electronic Control Modules
A customer version of ET is alsoavailable for your fleet of Caterpillarequipment. Contact your Caterpillardealer.
Caterpillar Product Link SystemAttachment. Product Link includes a transceiver module (on-board themachine), office application PC software, and a satellitecommunications network to trackmachine hours, location, and warnings.Product Link simplifies maintenancescheduling, fleet management,unauthorized machine usage ormovement, and product problem eventtracking and diagnosis (PL-201).Available in two versions, there is aProduct Link system for most customersneeds. See your Caterpillar dealer.
Scheduled Oil Sampling (S•O•S)Analysis. Caterpillar has speciallydeveloped S•O•S to help ensure betterperformance, longer life and increasedcustomer satisfaction. It is a thoroughand reliable early warning system whichdetects traces of metals, dirt and othercontaminants in your engine, axle andhydraulic oil. It can predict potentialtrouble early, thus avoiding costlyfailures. Your Caterpillar dealer cangive you results and specific recom-mendations shortly after receiving yoursample. Each S•O•S test can providespecific types of diagnosis:■ Oil condition analysis identifies loss
of lubricating properties byquantifying combustion productssuch as soot, sulfur, oxidation andnitrates.
■ Wear analysis monitors componentwear by detecting, identifying andassessing the amount and type ofmetal wear elements found in the oil.
■ Chemical and physical test detectsthe physical presence of unwantedfluids (water, fuel, antifreeze).
Lower Operating Costs.Improvements in operating costsprovide a long-term investment.
Fuel Consumption. The new EU Stage II(US EPA Tier II), electronicallycontrolled engine, new Bosh fuelinjection system and new ATAAC combine to provide outstanding fuelconsumption during both productionand traveling. The Automatic EngineSpeed Control reduces idle speed whenthe implements are not active to furtherimprove fuel consumption.
Filter Change Intervals. 2000 hourshydraulic oil and 500 hours engine oilfilter change intervals save time andmoney.
Hydraulic Oil Change Intervals. With the aid of S•O•S samplinghydraulic oil change intervals can beextended from 2000 hours to an averageof 4000 hours.
Your Caterpillar dealer can provide you with detailed calculations andsimulations of how our low operatingcosts can benefit your particularapplication.
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Complete Customer SupportCat dealer services help you operate longer with lower costs.
Services. Customer Service is criticaltoday in every business. That’s why somany people buy Cat equipment. They know they are getting qualityreliability and performance backed-upwith the best Customer Service. Your Caterpillar dealer offers a widerange of services that can be set upunder a Customer Support Agreement.The dealer will help you choose a planthat can cover the whole machineincluding work tools, to help you toget the best out of your investment.
Product Support. You will find asolution for your parts requirements at your dealer. Cat dealers utilize aworldwide network to find in-stockparts to minimize downtime. In addition your dealer can offeralternative solutions like Reman,Classic Parts and quality used parts tosave money on original Caterpillarcomponents.
Service Capability. Whether in thedealer’s fully equipped shop or in the field, you will get highly trainedservice technicians using the latesttechnology and tools.
Maintenance. More and more equip-ment buyers are planning for effectivemaintenance before buying equipment.Choose from your dealer’s wide rangeof maintenance services at the timeyou purchase your machine. Repairoption programs guarantee the cost ofrepairs up front. Diagnostic programssuch as S•O•S Fluid Analysis andTechnical Analysis help you avoidunscheduled repairs.
Selection. Make detailed comparisonsof the machines you are consideringbefore you buy. How long docomponents last? What is the cost of preventive maintenance? Your Catdealer can give you precise answers to these questions to make sure youoperate your machines at the lowest cost.
Purchase. Consider the financingoptions available as well as day-to-dayoperating costs. This is also the time to look at dealer services that can beincluded in the cost of the machine to yield lower equipment and owningand operating costs over the long run.
Operation. Improving operatingtechniques can boost your profits. Your Cat dealer has training materialand ideas to help you increaseproductivity.
Replacement. Repair, rebuild orreplace? Your Cat dealer can help you evaluate the cost involved so you can make the right choice.
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Engine
M318C M322CCat 3056E DIT ATAAC diesel engine
Ratings 2000 rpm 2000 rpm
Gross power 119 kW/159 hp 127 kW/170 hp
Net power
ISO 9249 113 kW/151 hp 122 kW/164 hp
EEC 80/1269 113 kW/151 hp 122 kW/164 hp
Bore 100 mm 100 mm
Stroke 127 mm 127 mm
Displacement 6.0 liters 6.0 liters
Cylinders 6 6
Maximum torque at 1400 rpm 675 Nm 695 Nm
■ The 3056E engine meets EU directive 97/68/EC Stage IIemission requirements.
■ Net power advertised is the power available at the flywheelwhen the engine is equipped with fan, air cleaner, muffler,and alternator.
■ No engine derating is required below 3000 m altitude.
SoundLow sound, low vibration. The 3056E design improvesoperator comfort by reducing sound and vibration. The M318C MH and M322C MH was awarded the GermanBlue Angel for low spectator sound levels.
Operator Sound■ The operator sound level measured according to the
procedures specified in ISO 6396:1992 is LPA 72 dB(A), for cab offered by Caterpillar, when properly installed andmaintained and tested with the doors and windows closed.
■ Hearing protection may be needed when operating with anopen cab for extended periods or in a noisy environment.
Exterior Sound■ The labeled spectator sound power level measured
according to the test procedures and conditions specified in2000/14/EC is LWA 102 dB(A).
Swing Mechanism
M318C M322CSwing speed 10.5 rpm 10.5 rpm
Swing torque 45.7 kNm 56.3 kNm
Maximum flow 112 l/min 112 l/min
Maximum pressure 310 bar 310 bar
Service Refill Capacities
M318C M322CLiter Liter
Fuel tank capacity 385 385
Cooling 39 39
Engine crankcase 18 18
Rear axle housing (differential) 11 11
Front steering axle (differential) 8 8
Final drive
Disk brakes 2 2
Drum brake 1.2 1.2
Powershift transmission 3 3
Hydraulic System
M318C M322CTank capacity 170 liters 225 liters
System 255 liters 350 liters
Maximum pressure
Implements 350 bar 350 bar
Travel 350 bar 350 bar
Maximum flow 288 + 112 l/min 340 + 112 l/min
Pilot system
Maximum pressure 31 bar 31 bar
Tires
Transmission
M318C M322C1st gear, forward/reverse 9 km/h 9 km/h
18 M318C MH and M322C MH Wheel Excavator specifications
Dimensions with MH UndercarriageAll dimensions are approximate – measured in mm
M318C M322Cmm mm
A Shipping height
4900 mm drop nose stick 3480 3490
4200 mm straight stick 3400 –
5900 mm drop nose stick (removed) – 3230
5900 mm drop nose stick (installed) – 3590
4800 mm straight stick – 3230
B Shipping length
4900 mm drop nose stick 9060 9880
4200 mm straight stick 9180 –
5900 mm drop nose stick (removed) – 9930
5900 mm drop nose stick (installed) – 15 055
4800 mm straight stick – 9930
C Support Point
4900 mm drop nose stick 2770 3250
4200 mm straight stick 3650 –
5900 mm drop nose stick (installed) – 12 230
4800 mm straight stick – 3080
D Tail swing radius 2500 2820
E Counterweight clearance 1307 1307
F Cab Height
Standard cab 3230 3230
with 1200 mm Fixed Cab Raiser* – 4430
with Hydraulic Cab Riser (lowered) 3230 3230
with Hydraulic Cab Riser (raised) 5630 5630
G Wheel base 2750 2750
H Undercarriage width 2990 2990
J Stabilizer width on ground 4360 4360
K Undercarriage length 5250 5250
* Must be removed for shipping
H
290
J
GK
F
E
J
F
A F
C
BD
3260 3190 3300
3230 3210 3250
3300 – 3330 –
– 3250 – 3290
8870 9430 8870 9650
8850 9440 8960 9640
8820 – 8950 –
– 9430 – 9650
3920 4160 3810 4240
3650 3660 3490 3720
3510 – 3310 –
– 3420 – 3440
2500 2750 2500 2750
1307 1307 1307 1307
3200 3200 3200 3200
4400 4400 4400 4400
Dimensions with Standard UndercarriageAll dimensions are approximate – measured in mm
A
C
E
F
Undercarriage with dozer only Undercarriage with 2 sets of outriggers
Undercarriage with 1 set of outriggers and dozer
5250
5210
45031075
325800 1110
1075
500
2750
500
11102750
F
A Shipping height
2200 mm stick cab height
2500 mm stick cab height
2800 mm stick
2900 mm stick
B Shipping length
2200 mm stick
2500 mm stick
2800 mm stick
2900 mm stick
C Support Point
2200 mm stick
2500 mm stick
2800 mm stick
2900 mm stick
D Tail swing radius
E Counterweight clearance
F Cab height
with 1200 mm Fixed Cab Raiser
One-piece boommm mmmm mm
M318C/M322C M318C/M322CVA boom
BD
2750
2540/2670
3960130
357/360
19M318C MH and M322C MH Wheel Excavator specifications
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20 M318C MH and M322C MH Wheel Excavator specifications
Weights with Standard UndercarriageAverage operating weights include a general purpose bucket,4400 kg counterweight, 100% fuel and an operator.
M318C M322CVA boom kg kg
rear dozer only 19 500 21 000
rear dozer, front outriggers 20 770 22 300
front and rear outriggers 21 100 22 700
One-piece boom
rear dozer only 19 000 20 500
rear dozer, front outriggers 20 270 21 800
front and rear outriggers 20 600 22 200
Dozer blade 900 900
Outriggers 1300 1300
Counterweight 4000 4400/5400
Weights with MH UndercarriageAverage operating weights include MH undercarriage with 4 welded on stabilizers, MH boom, 5400 kg counterweight,100% fuel, operator and grapple.
M318C M322Ckg kg
4900 mm stick 21 460 24 300
5900 mm stick – 24 430
4200 mm straight stick 21 850 –
4800 mm straight stick – 24 690
M318C – 6400 mm
GOS-25
GOS-35
GSH-15
GSH-20
GSH-20
GSH-15
VRG25/2, G315B
VRG30/2, G320B
0.46, 0.52, 0.58 m3
0.75, 0.90 m3
0.98, 1.14 m3
0.62 m3
0.70 m3
0.78 m3
1.05 m3
1.26 m3
1.46 m3
1.67 m3
0.4, 0.5, 0.6 m3
0.8 m3
0.6 m3
0.8 m3
1.0 m3
0.4, 0.5, 0.6, 0.8 m3
0.6 m3
0.8 m3
1.0 m3
4900 4900 42004200
M322C – 6800 mm
4900 5900 4800 4900 5900 4800
Work Tools Matching GuideWhen choosing between various work tool models that can be installed onto the same machine configuration, consider work toolapplication, productivity requirements, and durability. Refer to work tool specifications for application recommendations andproductivity information.
* Limited by hydraulic rather than tipping load.The above loads are in compliance with hydraulic excavator lift capacity ratings standard ISO 10567, they do not exceed 87% of hydraulic lifting capacity or 75% of tippingcapacity. Weight of all tools and lifting accessories must be deducted from the above lifting capacities.
Load Point Height Load Radius Over Front Load Radius Over Side Load at Maximum ReachLoad Radius Over Rear
* Limited by hydraulic rather than tipping load.The above loads are in compliance with hydraulic excavator lift capacity ratings standard ISO 10567, they do not exceed 87% of hydraulic lifting capacity or 75% of tippingcapacity. Weight of all tools and lifting accessories must be deducted from the above lifting capacities.
Load Point Height Load Radius Over Front Load Radius Over Side Load at Maximum ReachLoad Radius Over Rear
* Limited by hydraulic rather than tipping load.The above loads are in compliance with hydraulic excavator lift capacity ratings standard ISO 10567, they do not exceed 87% of hydraulic lifting capacity or 75% of tippingcapacity. Weight of all tools and lifting accessories must be deducted from the above lifting capacities.
Load Point Height Load Radius Over Front Load Radius Over Side Load at Maximum ReachLoad Radius Over Rear
* Limited by hydraulic rather than tipping load.The above loads are in compliance with hydraulic excavator lift capacity ratings standard ISO 10567, they do not exceed 87% of hydraulic lifting capacity or 75% of tippingcapacity. Weight of all tools and lifting accessories must be deducted from the above lifting capacities.
Load Point Height Load Radius Over Front Load Radius Over Side Load at Maximum ReachLoad Radius Over Rear
30 M322C MH Wheel Excavator specifications
11.1
1
11.7
6
12.2
0
12.4
3
12.0
m
10.5
m Ground
3.0 m
m
4.5 m
6.0 m
7.5 m
9.0 m
10.5
m
9.0 m
7.5 m
6.0 m
4.5 m
3.0 m
1.5 m
-1.5
m
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
2 se
ts s
tab
dow
nRe
ar d
ozer
up
Rear
doz
er d
own
Rear
sta
b do
wn
Doze
r and
sta
b do
wn
Unde
rcar
riage
co
nfig
urat
ion
*690
0*6
900
*690
051
00*6
900
5700
*690
067
00*6
900
*690
0*6
800
6700
5100
3700
*680
041
00*6
800
4800
*680
057
00*7
000
6700
*620
050
0052
0038
0038
0027
00*7
000
4200
6000
3000
*700
048
0055
0036
00*7
000
5800
*620
043
00*7
000
6700
*620
050
00*5
500
3800
*410
035
0052
0037
0038
0027
0029
0020
0026
0018
00*7
000
4100
6000
3000
4600
2300
*410
020
00*7
000
4800
5500
3600
4200
2700
3800
2400
*700
057
00*6
200
4300
5500
3300
*410
029
00*7
200
6600
*630
049
00*5
500
3800
*400
031
0051
0036
0038
0027
0029
0020
0024
0016
00*7
200
4000
6000
3000
4600
2300
3800
1800
*720
047
0054
0035
0042
0027
0034
0022
00*7
200
5600
*630
042
0055
0032
00*4
000
2700
*890
0*8
900
*750
064
00*6
400
4800
*550
038
0045
0030
00*4
000
2900
7000
5000
4900
3500
3700
2600
2800
2000
2300
1500
2200
1500
*890
055
00*7
500
3900
5900
2900
4600
2200
3700
1700
3600
1700
*890
065
0071
0046
0053
0034
0041
0026
0033
0021
0032
0020
00*8
900
7800
*750
055
00*6
400
4100
5400
3200
4300
2500
*400
025
00*1
2500
*125
00*9
600
8800
*780
062
00*6
500
4700
5500
3700
4400
3000
*410
028
0010
300
7100
6600
4600
4700
3300
3500
2500
2800
1900
2200
1500
2100
1400
*125
0079
00*9
600
5100
7600
3600
5700
2700
4500
2100
3600
1700
3400
1600
*125
0095
00*9
600
6100
6900
4300
5100
3300
4000
2600
3300
2100
3100
1900
*125
0011
700
*960
074
00*7
800
5200
*650
040
0053
0031
0043
0025
0041
0024
00*1
3600
1320
0*1
0000
8300
*790
059
00*6
500
4500
*540
036
00*4
200
2900
9400
6200
6100
4200
4400
3000
3400
2300
2700
1800
2200
1500
*136
0071
00*1
0000
4700
7400
3400
5500
2600
4400
2100
3600
1700
*136
0086
0094
0056
0066
0041
0050
0031
0039
0025
0032
0020
00*1
3600
1070
0*1
0000
6900
*790
050
00*6
500
3800
5200
3000
*420
025
00*3
800
*380
0*1
3600
1240
0*1
0000
7900
*780
057
00*6
300
4400
*500
035
00*3
700
2900
*380
0*3
800
8700
5600
5700
3800
4200
2800
3300
2200
2600
1700
2100
1400
*380
0*3
800
*136
0064
00*1
0000
4300
7100
3200
5400
2500
4300
2000
3500
1600
*380
0*3
800
*136
0079
0090
0053
0063
0039
0048
0030
0039
0024
0032
0020
00*3
800
*380
0*1
3600
1000
0*1
0000
6500
*780
048
00*6
300
3700
*500
030
00*3
700
2400
*970
0*9
700
*920
076
00*7
200
5500
*570
043
00*4
400
3500
8300
5300
5500
3600
4000
2700
3200
2100
2600
1700
*970
061
00*9
200
4100
6900
3100
5300
2400
4200
1900
*970
075
0087
0050
0062
0037
0047
0029
0038
0024
00*9
700
9600
*920
063
00*7
200
4600
*570
036
00*4
400
2900
12.0
mLift Capacities – M322C MHAll weights are in kg.
UndercarriageStandard
Boom6800 mm
Stick5900 mm
31
Standard Equipment Standard equipment may vary. Consult your Caterpillar dealer for specifics.
Operator StationAsh tray with cigarette lighterBi-level air conditioner with automatic
climate controlBolt-on FOGS capabilityCoat hookDrink holderFiltered ventilationFloormat, washableFully adjustable suspension seatHeater and defrosterIntermittent, parallel wiper and washer
for upper and lower windowsJoysticks, adjustableLH console, tiltable with hydraulic lockLight, interiorLiterature holderLow fuel indicator lightOpenable side windowOpenable two-piece front windscreenParking brakeRadio mounting (loudspeakers, antenna)Polycarbonate skylightPower supply 12V – 7ARetractable seat beltSliding door windowSteering column, tiltableStorage compartment suitable for
a lunch boxSun screen
Language display WEX MultiproClock with 10 day backup batteryFilter/fluid change informationGauges for fuel level, engine coolant
temperature and hydraulic oiltemperature
Headlights indicatorIndicator for engine dial settingPre-start level check for hydraulic oil,
engine oil and coolantTurn signal indicatorWarning messagesWorking hour information
UndercarriageFully hydraulic braking systemHydrostatic transmission, two speed
4 wheel drive with on-the-go shiftingInternal oil disk brakes front,
drum brakes rearLockable oscillating front axlePin-on design preparation for dozer
blade and outriggers10.00-20 14PR tiresTool boxTwo-piece drive shaft
EngineAutomatic engine speed controlAutomatic starting aidCat 3054E DIT ATAAC Stage II engine,
turbocharged with air-to-air aftercoolerCreeper speedMuffler
HydraulicsCat XT-6 ES hosesManual work modes (economy, power, travel)Oil coolerSeparate swing pumpStick regeneration circuitVariable displacement, load-sensing
UndercarriageDozer blade, front or rear mountedMH undercarriage with 4 welded outriggersOptional tiresOutriggers, front or rear mountedRear disc brakesSecond tool boxSpacer rings