1 Kenworth T800 & W900S Kenworth T800 & W900S vs vs Mack Granite Mack Granite
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Kenworth T800 & W900SKenworth T800 & W900Svsvs
Mack GraniteMack Granite
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Kenworth GrilleKenworth Grille
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Mack GrilleMack Grille
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GrilleGrille
Cost to replace Mack Cost to replace Mack Charge Air Cooler:Charge Air Cooler:Parts:Parts: $490$490Labor:Labor: $262$262Total:Total: $752$752
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Kenworth Hood HingeKenworth Hood Hinge
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Kenworth Hood HingeKenworth Hood Hinge
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Mack Hood HingeMack Hood Hinge
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Mack Hood HingeMack Hood Hinge
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Hood HingeHood Hinge
Cost to replace Mack Cost to replace Mack Hood Hinge Hardware:Hood Hinge Hardware:Parts:Parts: $130$130Labor:Labor: $75$75Total:Total: $205$205
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Kenworth Hood SlopeKenworth Hood Slope
20 degrees20 degrees
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Mack Hood SlopeMack Hood Slope
15 degrees15 degrees
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Kenworth WindshieldKenworth Windshield
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Kenworth WindshieldKenworth Windshield
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Mack WindshieldMack Windshield
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Windshield ReplacementWindshield Replacement
Replacement costsReplacement costs
Kenworth with flat glass:Kenworth with flat glass:Parts:Parts: $27$27Labor:Labor: $38$38Total:Total: $65$65
Mack:Mack:Parts:Parts: $180$180Labor:Labor: $112$112Total:Total: $292$292
Difference: $228 x 10 times = $2,280Difference: $228 x 10 times = $2,280
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Kenworth MirrorsKenworth Mirrors
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Kenworth Aerodynamic MirrorsKenworth Aerodynamic Mirrors
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Mack MirrorsMack Mirrors
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Kenworth Cab AccessKenworth Cab Access
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Mack Cab AccessMack Cab Access
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Kenworth Cab AccessKenworth Cab Access
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Mack Cab AccessMack Cab Access
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Kenworth Cab Access LightingKenworth Cab Access Lighting
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Mack Cab Access LightingMack Cab Access Lighting
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Cab Access LightingCab Access Lighting
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Kenworth Cab Access StepsKenworth Cab Access Steps
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Mack Cab Access StepsMack Cab Access Steps
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Kenworth Cab Door SealKenworth Cab Door Seal
Seal attached to doorSeal attached to door
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Mack Cab Door SealMack Cab Door Seal
Attached to Attached to door openingdoor opening
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Cab Door SealCab Door Seal
Cost to replace Mack Door seal:Cost to replace Mack Door seal:Parts:Parts: $50$50Labor:Labor: $75$75Total:Total: $125$125
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Kenworth Cab Door HingeKenworth Cab Door Hinge
3/8” Stainless Steel 3/8” Stainless Steel piano-style hingepiano-style hinge
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Mack Cab Door HingeMack Cab Door Hinge
1/4” Mild Steel 1/4” Mild Steel short hingesshort hinges
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Kenworth Cab DoorsKenworth Cab Doors
3” aluminum3” aluminum
bulkhead designbulkhead design
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Mack Cab DoorsMack Cab Doors
Formed SteelFormed Steel
designdesign
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Kenworth Cab ConstructionKenworth Cab Construction
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Mack Cab ConstructionMack Cab Construction
Welded steelWelded steel
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Cab DurabilityCab Durability
Resale Value for dump truck at 10 years:Resale Value for dump truck at 10 years: Per Ritchie Bros. Auction ResultsPer Ritchie Bros. Auction Results
Kenworth T800Kenworth T800 Mack CH613Mack CH613$19,857$19,857 $18,405$18,405
Difference: $1,452Difference: $1,452
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Kenworth Cab WindowsKenworth Cab Windows
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Mack Cab WindowsMack Cab Windows
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Kenworth Exhaust MountingKenworth Exhaust Mounting
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Mack Exhaust MountingMack Exhaust Mounting
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Frame RailsFrame Rails
GraniteGraniteT800T800
10-3/4 Frame Rails w/ insert10-3/4 Frame Rails w/ insert
Main Rail: 10.75 x 3.5 x .375Main Rail: 10.75 x 3.5 x .375 10.75 x 3.25 x .37510.75 x 3.25 x .375
RBM: 3,280,000 in-lbsRBM: 3,280,000 in-lbs 2,870,000 in-lbs2,870,000 in-lbs
Insert: 9.88 x 2.88 x .250Insert: 9.88 x 2.88 x .250 9.93 x 2.93 x .2509.93 x 2.93 x .250
14% 14% greater greater
strengthstrength
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Frame RailsFrame Rails
GraniteGraniteT800T800
vs 10-3/4 Frame Rail w/ insertvs 10-3/4 Frame Rail w/ insert
Main Rail: 11.625 x 3.88 x .375Main Rail: 11.625 x 3.88 x .375 10.75 x 3.25 x .37510.75 x 3.25 x .375
RBM: 2,572,000 in-lbsRBM: 2,572,000 in-lbs 2,870,000 in-lbs2,870,000 in-lbs
Insert: (none) Insert: (none) 9.93 x 2.93 x .2509.93 x 2.93 x .250
11-5/8 Frame Rail w/out insert11-5/8 Frame Rail w/out insert
525 lbs 525 lbs weight weight
savingssavings
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Kenworth Air Piping & Electrical WiringKenworth Air Piping & Electrical Wiring
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Mack Air Piping & Electrical WiringMack Air Piping & Electrical Wiring
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Air Piping & Electrical WiringAir Piping & Electrical Wiring
Cost of troubleshooting without color-coded wiring:Cost of troubleshooting without color-coded wiring:
Labor (10 events):Labor (10 events): $375$375Total:Total: $375$375
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Factory-Installed Lift AxlesFactory-Installed Lift AxlesUp to 3 pushers installed at the factory
8000 lb to 20,000 lb steerable
22,500 lb non-steerable
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Factory-Installed Lift AxlesFactory-Installed Lift Axles
•Proper Frame Rails
•Sufficient Air Tank Capacity
•Sufficient Air Compressor Capacity
•Air System Designed & Installed Correctly
•ABS-Controlled Lift Axle Brake Option
•Kenworth-Supported Warranty
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Drive AxlesDrive Axles
Dana new Heavy TandemDana new Heavy Tandem• 17.7” ring gear17.7” ring gear
• Wide-face hypoid gearingWide-face hypoid gearing
• Stronger wheel differentialsStronger wheel differentials
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Mack Axle Differential AccessMack Axle Differential Access
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Axle Differential AccessAxle Differential Access
Cost of 4 hours Additional Labor Cost of 4 hours Additional Labor to R&R Mack Axles:to R&R Mack Axles:
Labor:Labor: $300$300
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Engine Choices - KenworthEngine Choices - Kenworth
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Engine Choices - MackEngine Choices - Mack
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Engine Choices - MackEngine Choices - Mack
Oil Change IntervalOil Change Interval
Cummins ISM/ISX:Cummins ISM/ISX: 25,000 Miles25,000 Miles
CAT ACERT:CAT ACERT: 30,000 Miles30,000 Miles
Mack ASET:Mack ASET: 10,000 Miles10,000 Miles
Cost of 40 Additional Mack Oil Changes:Cost of 40 Additional Mack Oil Changes:
Parts & Labor:Parts & Labor: $4000$4000
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Kenworth Engine PositionKenworth Engine Position
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Mack Engine PositionMack Engine Position
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Engine PositionEngine Position
Cost of 1 hour Additional Labor for an Overhead Job:
Labor: $75 x 10 times = $750
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Kenworth Power SteeringKenworth Power Steering
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Mack Power SteeringMack Power Steering
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Power SteeringPower Steering
Cost to replace Mack Steering Assist Ram:Cost to replace Mack Steering Assist Ram:Parts:Parts: $ 700$ 700Labor:Labor: $ 375$ 375Total:Total: $1,075$1,075
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Kenworth Radiator Size & OptionsKenworth Radiator Size & Options
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Mack Radiator Size & OptionsMack Radiator Size & Options
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Kenworth Coolant Hoses & ClampsKenworth Coolant Hoses & Clamps
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Mack Coolant Hoses & ClampsMack Coolant Hoses & Clamps
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Coolant Hoses & ClampsCoolant Hoses & Clamps
Cost To Replace Proprietary Mack Hose:Cost To Replace Proprietary Mack Hose:Additional Parts:Additional Parts: $8$8Additional Labor:Additional Labor: $0$0
Total:Total: $8$8
(Roadside Service:(Roadside Service: $300)$300)
(Downtime:(Downtime: $1500)$1500)
Towing Towing BillBill
Loss of Loss of RevenueRevenue
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Kenworth Air Intake OptionsKenworth Air Intake Options
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Kenworth Air Intake OptionsKenworth Air Intake Options
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Mack Air Intake OptionsMack Air Intake Options
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Kenworth Exhaust SystemKenworth Exhaust System
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Exhaust MackExhaust Mack
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Exhaust Clamping Aft of TurboExhaust Clamping Aft of Turbo
Cost to replace Mack Turbo:Cost to replace Mack Turbo:Parts:Parts: $1,475$1,475Labor:Labor: $ 275$ 275Total:Total: $1,700$1,700
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Kenworth HVAC Mounting LocationKenworth HVAC Mounting Location
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Mack HVAC Mounting LocationMack HVAC Mounting Location
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HVAC Mounting LocationHVAC Mounting Location
Cost of four additional hours Cost of four additional hours labor to R&R Mack HVAC Unitlabor to R&R Mack HVAC UnitLabor:Labor: $300$300Total:Total: $300$300
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Kenworth Power DistributionKenworth Power Distribution
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Mack Power DistributionMack Power Distribution
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Mack Power DistributionMack Power Distribution
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Kenworth Cab Interior - DashKenworth Cab Interior - Dash
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Mack Cab Interior - DashMack Cab Interior - Dash
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Extended DayCabExtended DayCab
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Kenworth Cab Interior – StorageKenworth Cab Interior – Storage
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Kenworth Cab Interior – StorageKenworth Cab Interior – Storage
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Kenworth Cab Interior – StorageKenworth Cab Interior – Storage
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Kenworth Cab Interior – StorageKenworth Cab Interior – Storage
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Mack Cab Interior – StorageMack Cab Interior – Storage
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Mack Cab Interior – StorageMack Cab Interior – Storage
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The Mack FactorThe Mack Factor
Problems per 10,000 milesProblems per 10,000 miles
J D Power reports average number of problems J D Power reports average number of problems experienced per 10,000 miles.experienced per 10,000 miles.
KenworthKenworth 9.6 prob/10k mi 9.6 prob/10k miMackMack 18.6 prob/10k mi18.6 prob/10k mi
Kenworth has Kenworth has halfhalf the number the number of problem occurrences.of problem occurrences.
HALFHALF
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The Mack FactorThe Mack Factor
DowntimeDowntimeJ D Power reports average unscheduled downtime J D Power reports average unscheduled downtime days per chassis per year.days per chassis per year.
KenworthKenworth 3.8 days3.8 daysMackMack 4.6 days4.6 days
0.8 days difference0.8 days difference
$1500/day $1500/day x 0.8 days/year x 10 years x 0.8 days/year x 10 years = $12,000= $12,000
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The Mack FactorThe Mack FactorItem Parts Labor #Times Total CAC $490 $262 1 $ 752Hood Hinge $130 $75 1 $ 205Windshield $153 $75 10 $ 2,280Door Seal $50 $75 1 $ 125Resale Value - - 1 $ 1,452Wiring/Piping - $38 10 $ 380Diff Access - $300 1 $ 300Oil Changes $25 $75 40 $ 4,000Overhead - $75 10 $ 750Assist Ram $700 $375 1 $ 1,075Coolant Hoses $8 - 1 $ 8Air Filter $40 $19 15 $ 781HVAC Access - $300 1 $ 300Turbo $1,475 $225 1 $ 1,700
$14,109
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The Mack FactorThe Mack Factor
Maintenance: $14,000Downtime: $12,000Resale Value: $ 1,400
$27,400$27,400
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The Mack FactorThe Mack Factor
Item Parts Labor #Times Total Oil Changes $25 $75 40 $ 4,000Assist Ram $700 $375 1 $ 1,075Turbo $1,475 $225 1 $ 1,700Windshield $153 $75 5 $ 2,280
$ 9,055$9,000$9,000
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