*This information is sourced from overseas and may not necessarily apply locally. It is essential that you confirm specifications and other information with your local Kubota dealer. U U45 - 3 SUPER SERIES High performance and zero tail swing to get you in and out of the toughest and tightest digging jobs. KUBOTA ZERO - TAIL SWING COMPACT EXCAVATOR
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KUBOTA ZERO-TAIL SWING COMPACT EXCAVATOR U U45-3 …tiongleehuat.com/FileStore/product/Catalog121.pdf · along the swing bracket, boom, arm, and bucket. Pin type bushings not only
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*This information is sourcedfrom overseas and may notnecessarily apply locally.It is essential that you confirmspecifications and otherinformation with your localKubota dealer.
U U45-3 SUPER SERIES
High performance and zero tail swing to get you in andout of the toughest and tightest digging jobs.
KUBOTA ZERO-TAIL SWING COMPACT EXCAVATOR
More power, more versatility, andmore operator comfort in a compact,high-performance excavator.Start with zero-tail swing. Add an advanced digital information panel, a load
sensing hydraulic system, and an auto idling system. With its powerful,
clean-running Kubota engine, you have the operational performance that
makes short work of even the toughest digging and dozing jobs.
U45-3S
With zero-tail swing, even the tightest spacesbecome efficient work places. Because the tailalways stays within the width of the tracks, you canturn the house throughout its 360-degree turningradius without damage to the machine orsurroundings. Zero-tail swing also ensures excellentbalance and stability and faster operation, makingthe U45-3S ideal for work in congested urban areas.
Zero-Tail Swing
Complies
with Interim
Tier IV!Powerful and dependable, the U45-3S’s
diesel engine delivers superior horsepower
and performance. It offers low noise and
vibration levels, exceptional fuel efficiency,
and complies with the U.S. EPA’s 2008
interim Tier IV emissions regulations.
Clean-runningKubota Engine
New operating levers require less effort and shorter movements,ensuring improved control and operator comfort. Auxiliaryhydraulics controls are mounted on the right operating lever forsimple operation of attachments. A 2-speed travel switch on thedozer lever permits quicker, more convenient travel speedchanges. Adjustable wrist rests help reduce operator fatigue forincreased job efficiency.
User-friendly operation
Strong bucket breakout force Strong breakout force keeps the U45-3S working efficientlyeven under the heaviest of loads. With the dedicated bucketand quick coupler, the bucket breakout force tops 4,393 kg,more than enough for even the toughest excavating jobs.
Load sensing hydraulic sysytemWith Kubota’s advanced Load Sensing Hydraulic System,even the slightest lever movements produce smooth andsimultaneous operation of the boom, arm, bucket, and house.Control valves automatically regulate and distribute theoptimum amount of oil to each cylinder based on the weightof the load, resulting in perfectly matched speed, power, andcylinder timing.
Boom cylinder protection The reinforced v-shape guard protectsthe boom cylinder rod from damagecaused by accidental contact withattachments, rocks, or loads.
Third-line hydraulic returnWhen working with one-way hydraulicattachments, such as a breaker or brushcutter, the standard third-line hydraulicreturn system allows oil to flow directlyback to the tank without running throughthe control valves. This contributes toless oil contamination, reduced backpressure, and greater oil flow efficiency.
one way
two way
W O R K I N G P E R F O R M A N C EW O R K I N G P E R F O R M A N C E
Excellent lifting capacity and working rangeA powerful and responsive front working group providesexcellent lifting capacity for all your digging, lifting, andloading jobs. Even when working to the side, using hydraulicattachments, or lifting heavy objects, the U45-3S thanks to itsinnovative counter balancing technology, long tumblerdistance, low center of gravity and Double Outer FlangedLower Track Rollers. The U45-3S’s large bucket capacity,excellent reach and digging depth, ensure that everydigging job is done with maximum efficiency and speed.
Fuel overflow preventionThe U45-3’s fuel system warns you when the tank is nearly full.To begin refueling, turn the ignition key to the OFF position andpress any of the buttons on the digital panel. The system willbegin beeping. When the tank is nearly full, the interval betweenthe beeps will become shorter.
Digital panel
Informative, interactive, and functional, Kubota’s IntelligentControl System provides timely diagnostic readings androutine maintenance alerts to help reduce downtime andrepair fees. The large digital panel displays current workingconditions, warning indicators, engine rpm and hour meter,fuel, temperature and oil levels. The panel not only lets youknow when fuel is running low, but alerts you during refuelingwhen the tank is nearly full.
Kubota’s Auto Idle System improves safety, decreases noise,and reduces fuel consumption by approximately 10%. Theengine automatically decelerates to idling speed fourseconds after the control levers are returned to their neutralpositions. When a control lever is subsequentlymoved, the engine speed automatically returnsto its prior setting. A simple twist of theDial Accelerator smoothly coordinatesspeed and tachometer settings.
Adjustable maximum oil flow controlfor auxiliary port
This unique function lets you control the oil flow according toyour needs or the attachment in use. It eliminates the hassleof using tools to change settings manually, so you don’t haveto leave the cabin. When using a tilt bucket, you can slow theflow to get just the right control to gently shape a swale.Alternatively, for a brushcutter, direct the oil flow toone side of the excavatorarm. The system will evenstore your settings for thenext time you need it, savingtime and quickly regulatingthe flow requirements.Adjustable oil flow enhancesperformance and saves fuel.
C O M F O R T / D U R A B I L I T Y / M A I N T E N A N C E / S A F E T YC O M F O R T / D U R A B I L I T Y / M A I N T E N A N C E / S A F E T Y
Front pin bushingsPin bushings are installedat all of the pivot pointsalong the swing bracket,boom, arm, and bucket.Pin type bushings not onlylast longer, they are easierto replace when necessary.
Well protected front attachmenthoses To protect the front hoses from accidentaldamage, they are routed through theswing bracket.
Maintenance A wide-opening rear engine cover provides fast and easy accessto daily maintenance items. The side cover provides access to thebattery, radiator and oil cooler, hydraulic oil tank and the controlvalve. Two-piece hose connections for the dozer and boomcylinders simplify hose replacement and reduce downtime.
Controlled climate cab No matter what the weather outside, the U45-3S’s climate-controlled cab will keep you feeling fresh and comfortable,letting you work faster, better, and longer. If desired, filteredoutside air can be introduced via the external air vent.
Suspension seat The deluxe, high back seat is fully adjustable, ensuringoptimum comfort for operators of all sizes. Even the customwrist rests are adjustable to help reduce arm movement andincrease operator comfort.
Two-pattern Selection System (TPSS)No need for tools or to leave your seat—a quick flick of theswitch is all it takes to change between ISO and SAEoperating patterns.
Wider foot area More spacious than most excavators, the U45-3S’scomfortable operating area helps reduce operator fatigue.
Auxiliary hydraulic system The U45-3S’s auxiliary hydraulic system canaccommodate a variety of attachments such as breakersand augers. Standard features include port pipes on thearm, bi-directional auxiliary hydraulic controls, and acontrol value. The auxiliary hydraulic connections arelocated within easy reach and incorporate short hosesthat are less likely to become tangled or damaged.
GL
3
2
1
0
2.5
-
-
-
2.34
3.5
1.35
1.47
1.56
1.60
MAX
1.05
1.09
1.12
1.13
2.5
-
-
-
1.28
3.5
0.84
0.82
0.80
0.78
MAX
0.58
0.57
0.56
0.55
LIFT POINT RADIUS (m)
LIFTING CAPACITYOVER THE FRONT, BLADE DOWN
unit=ton
LIFTING CAPACITYOVER THE SIDE
unit=ton
LIFT POINT RADIUS (m)
LIFTPOINT
HEIGHT(m)
DA
CB
EF
G H
Lift pointLift point radius
Lift point height
Axis of rotation
Model U45-3S
5430
3810
3350
2700
5615
5755
2310
1825
990
A
B
C
D
E
F
G
H
Max. digging height
Max. dumping height
Max. digging depth
Max. vertical digging depth
Max. digging radius at ground
Max. digging radius
Min. turning radius
Min. tail turning radius
mm
mm
mm
mm
mm
mm
mm
mm
mm
W/o swing
With swing
Air conditioner filtercartridgeThe air conditioner filter cartridgefeatures a new frame which iseasy to access and slides out forcleaning and maintenance.
Safe, controlled starts When the safety control lever is moved upward, the consolemoves with it, providing more room for entry and exit. Toprevent unexpected machine movement during entry or exit,the pilot and travel controls are then disabled. This is the onlytime that the engine will crank over.
Swivel negative brake The swivel negative brake automatically locks the upperstructure in its current position when the engine is stopped orthe safety control lever is raised. Hence, the swivel transportlock pin is no longer required.
Straight travel For safer loading and off-loading, the U45-3S incorporates aHydraulic Matching System that keeps the U45-3S traveling ina straight line while operating the boom and attachments.
Accumulator Replacing attachments is more efficient, thanks to the U45-3S’saccumulator. Turning the key to the “on” position clearsresidual pressure in the auxiliary hydraulic port, preventing oilfrom spurting out when attachments areremoved. Should the engine accidentallyshut off while the front attachment is raised,simply turn the key to the “on” position. Theattachment can now be safely lowered.
Machine with ROPS canopy and rubber crawler, without bucket