COMPARE MODELS
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Mining Trucks
789D
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Gross Power - SAE J1995
2100 HP
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Engine Model
Cat® 3516B EUI
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Rated Net Power - ISO 9249
1791 HP
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Bore
6.7 in
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Stroke
7.5 in
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Displacement
4211 in³
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Net Power
1969 HP
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Gross Power
1900 HP
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Emissions Rating
Fuel Optimized or EPA Tier 2 equivalent
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Rated Speed
1750 r/min
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Rated Gross Machine Weight
715000 lb
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Chassis Weight (37R57 Tires)
226681 lb
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Chassis Weight (40R57 Tires)
233713 lb
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Nominal Rated Payload
214 ton (US)
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Body Weight
66376 lb
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Standard MSD Body (SAE 2:1)
170 yd³
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Standard X Body (SAE 2:1)
161 yd³
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Standard Dual Slope Body (SAE 2:1)
141 yd³
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Standard Combi Body (SAE 2:1)
200 yd³
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Standard Gateless Coal Body (SAE 2:1)
250 yd³
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Standard HP Body (SAE 2:1)
188 yd³
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Forward - 1
7.8 mile/h
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Forward - 2
10.6 mile/h
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Forward - 3
14.4 mile/h
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Forward - 4
19.4 mile/h
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Forward - 5
26.3 mile/h
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Forward - 6
35.5 mile/h
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Reverse
7.3 mile/h
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Top Speed - Loaded
35.5 mile/h
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Differential Ratio
2.35:1
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Planetary Ratio
10.83:1
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Total Reduction Ratio
25.46:1
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Effective Cylinder Stroke - Front
4 in
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Effective Cylinder Stroke - Rear
3.5 in
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Rear axle - Oscillation
±5.6°
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Brake Surface - Front
12662 in²
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Brake Surface - Rear
20862 in²
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Standards
SAE J1473 OCT90 ISO 3450:2011 - Service Brakes: Four-Corner, Wet Multi-disc, Oil Cooled, Hydraulically Actuated. Parking Brake: Four-Corner, Wet Multi-disc, Spring Applied, Hydraulically Released.
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Pump Flow - High Idle
193 gal/min
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Relief Valve Setting - Raise
2500 psi
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Body Raise Time - High Idle
18.9 s
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High Idle Body Lower Time - Float
15.6 s
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High Idle Body Lower Time - Power
15.6 s
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Body Raise Time - High Idle Body
17.3 s
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Front Axle - Empty
50 %
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Rear Axle - Empty
50 %
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Front Axle - Loaded
33 %
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Rear Axle - Loaded
67 %
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Note
Refer to the Cat Mining Truck Optimized payload policy for maximum gross machine weight limitations.
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Standard Tires
37.00-R57
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Optional Tires
40.00-R57
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Fuel Tank - Standard
550 gal (US)
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Fuel Tank - Optional
1000 gal (US)
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Cooling System
192 gal (US)
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Crankcase
77 gal (US)
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Differential - Final Drives
154 gal (US)
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Steering System
50 gal (US)
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Brake Hoist System
241 gal (US)
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Transmission Tank
20 gal (US)
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ROPS Standards
Standards
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Sound Standards
Standards
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Steering Standards
SAE J1511 OCT90 ISO 5010:2007
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Steering Angle
36.07 °
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Turning Diameter - Front Wheel
90.32 ft
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Vehicle Clearance - Turn Circle
99.18 ft
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Turning Diameter - ISO 7457:1997 (33.00R51 tires)
90.32 ft
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Centerline Front Tire Width
17.75 ft
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Centerline of Rear Dual Tire Width
15.42 ft
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Dump Clearance
5.17 ft
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Engine Guard Clearance
4.25 ft
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Front Canopy Height
22.09 ft
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Ground Clearance
4.25 ft
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Height - Top of ROPS
18.25 ft
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Inside Body Width
21.92 ft
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Loading Height - Empty
20.17 ft
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Outside Body Width
24.17 ft
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Overall Canopy Width
25.5 ft
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Overall Height - Body Raised
43.09 ft
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Overall Length
42.5 ft
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Overall Tire Width
23.33 ft
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Rear Axle - Clearance
4.17 ft
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Rear Axle - Tail
12.67 ft
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Wheel Base
1867 ft
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