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Mining Trucks
798 AC
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Gross Power - SAE J1995
3500 HP
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Engine Model
Cat® C175-20
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Net Power - SAE J1349
3405 HP
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Optional Gross Power - SAE J1995
3100 HP
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Rated Speed
1750 r/min
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Emissions Rating
Fuel Optimized
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Bore
6.9 in
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Stroke
8.7 in
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Displacement
6469 in³
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Note (1)
DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option
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Note (2)
Power raise in both stages; power down capability in both stages.
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Note (3)
Automatic body-lower modulation reduces impact on frame.
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Gross Power SAE J1995:2014
4150 HP
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Net Power - SAE J1349:2011
4000 HP
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Note 1
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
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Note 2
Additional fuel optimized selectable power rating: 2983 kW / 4,000 hp
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Rated Gross Machine Weight
1375000 lb
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Chassis Weight
453826 lb
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Body Weight Range
38 833 - 43 275 kg (85,611 - 95,406 lb)
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Nominal Rated Payload
410 ton (US)
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Front Axle - Empty
47 %
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Rear Axle - Empty
53 %
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Front Axle - Loaded
33 %
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Rear Axle - Loaded
67 %
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Note
Dimensions listed includes canopy deflectors
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Total Reduction Ratio
35:01:00
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Top Speed - Loaded
40 mile/h
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Generator/Alternator
Brushless, engine mounted, dual bearing
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Controls
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
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Wheel Motor
Cat high-torque AC induction, rear axle mounted
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Cooling System
273 gal (US)
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Rims
44" x 63" Rims
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Standard Tires
59/80 R63
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Service Brakes
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
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Front Wet Disc Brake Surface Area
22642 in²
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Rear - Wet Disc Brake Surface Area
32730 in²
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Standards
Service and Secondary: ISO 3450:2011
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Electric Retarding
Radial Grid Design
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Dynamic Retarding Power - Continuous
5480 HP
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Parking Brakes
Four-corner, Multi-disc, Spring Applied, Hydraulically Released
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Load Brake
Rear service brakes
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Struck
129-200 m³ (168-261 yd³)
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Heaped (SAE 2:1)
218-276 m³ (285-361 yd³)
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Type
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
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Pump Flow - High Idle
257.3 gal/min
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Relief Valve Setting - Raise
3029 psi
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Body Raise Time - High Idle
21 s
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Body Lower Time - Float
22 s
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Body Power Down- High Idle
17.5 s
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Effective Cylinder Stroke - Front
10 in
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Effective Cylinder Stroke - Rear
5 in
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Fuel Tank
2000 gal (US)
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Fuel Tank (Tier 4)
1200 gal (US)
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Diesel Exhaust Fluid Tank
100 gal (US)
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Crankcase
124 gal (US)
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Final Drive - Each
67 gal (US)
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Hydraulic System - Including Tank
385 gal (US)
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Hydraulic Tank
273 gal (US)
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Grease Tank
90 lb
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Hydraulic System (includes tank)
342 gal (US)
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Air Conditioning
HFC - 134A refrigerant: 21,600 Btu/h
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Heater / Defroster
24600 Btu/h
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ROPS Standards (1)
The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.
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ROPS Standards (2)
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
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FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
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Steer Angle
39 °
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Turning Diameter - Front
106.3 ft
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Steering Standards
Steering Standards: ISO 5010:2007
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Height - Top of ROPS
22.1 ft
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Overall Length
51.44 ft
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Wheel Base
21.9 ft
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Rear Axle - Tail
16.07 ft
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Dump Clearance - Empty
5.72 ft
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Loading Height - Empty
25.54 ft
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Overall Height - Body Raised
48.85 ft
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Centerline Front Tire Width
23.06 ft
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Front Axle Clearance - Loaded
2.81 ft
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Overall Canopy Width (with rock deflectors)
33.15 ft
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Outside Body/Canopy Width (without rock deflectors)
31.62 ft
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Inside Body Width
29.44 ft
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Front Canopy Height - Empty
26.01 ft
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Rear Axle Clearance - Loaded
2.8 ft
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Centerline of Rear Dual Tire Width
19.5 ft
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Overall Tire Width - Empty
30.27 ft
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Overall Length (High Altitude only)
51.87 ft
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