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785D Mining Truck

The 785D Mining Truck is engineered for performance, designed for comfort, and built to last. Developed specifically for high production mining and construction applications, the 785D Mining Truck keeps material moving at high volume to lower your cost-per-ton. Rugged construction creates a durable machine. Easy maintenance procedures ensure high reliability and  long life with low operating costs.

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Specifications
Equipment
Units: US Metric
Engine
Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1450 HP
1082 kW
Net Power - SAE J1349
1348 HP
1005 kW
Bore
6.7 in
170 mm
Stroke
8.4 in
215 mm
Displacement
3573.6 in³
58.56 l
Weights - Approximate
Rated Gross Machine Weight
550000 lb
249476 kg
Body Weight - MSD
46738 lb
21200 kg
Chassis Weight
183270 lb
83130 kg
Nominal Rated Payload
154 ton (US)
140 t
Transmission
Forward - 1
7.5 mile/h
12.1 km/h
Forward - 2
10.2 mile/h
16.3 km/h
Forward - 3
13.8 mile/h
22.2 km/h
Forward - 4
18.6 mile/h
29.9 km/h
Forward - 5
25.2 mile/h
40.6 km/h
Forward - 6
34 mile/h
54.8 km/h
Reverse
6.8 mile/h
11 km/h
Top Speed - Loaded
34 mile/h
54.8 km/h
Final Drives
Differential Ratio
2.10:1
Planetary Ratio
10.83:1
Total Reduction Ratio
22.75:1
Suspension
Effective Cylinder Stroke - Front
12.1 in
306.5 mm
Effective Cylinder Stroke - Rear
6.5 in
165 mm
Brakes
Brake Surface - Front
9497 in²
61270 cm²
Brake Surface - Rear
13908 in²
89729 cm²
Standards
SAE J1473 OCT90 ISO 3450-1985
Body Hoists
Pump Flow - High Idle
198 gal/min
750 l/min
Relief Valve Setting - Raise
2500 psi
17238 kPa
Body Raise Time - High Idle
15.2 s
15.2 s
Body Lower Time - High Idle
15.9 s
15.9 s
Body Lower Time - Float
16.2 s
16.2 s
Body Power Down - High Idle
15.9 s
15.9 s
Body - Dual Slope
Body Weight
49150 lb
22295 kg
Heaped (SAE 2:1)
102 yd³
78 m³
Body - X
Body Weight
55468 lb
25160 kg
Heaped (SAE 2:1)
111 yd³
85 m³
Steering
Turning Diameter - Front
97.7 ft
29.8 m
Steer Angle
36 °
36 °
Weight Distributions - Approximate
Front Axle - Empty*
45-46%
Rear Axle - Empty*
54-55%
Front Axle - Loaded - Target
33 %
33 %
Rear Axle - Loaded - Target
67 %
67 %
Rear Axle - Loaded
*Depends on body configuration.
Rear Axle - Empty
*Depends on body configuration.
Note
Weight distributions optimized with Cat body.
Service Refill Capacities
Fuel Tank - Standard
500 gal (US)
1893 l
Cooling System
100 gal (US)
379 l
Crankcase
54 gal (US)
204 l
Differential - Final Drives
115 gal (US)
436 l
Steering Tank
24 gal (US)
90 l
Steering System - Including Tank
31 gal (US)
117 l
Brake/Hoist Hydraulic Tank
89 gal (US)
337 l
Brake Hoist System - Includes Tank
169 gal (US)
641 l
Torque Converter/Transmission System - Including Sump
65.51 gal (US)
248 l
ROPS
ROPS Standards
SAE J1040 APR88 ISO 3471:1994
Sound
Sound Standards
ANSI/SAE J1166 MAY90 SAE J88 APR95
Steering
Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Tires
Standard Tires
33.00-R51 (E3 & E4)
Standard Equipment
ELECTRICAL
OPERATOR ENVIRONMENT
POWER TRAIN
OTHER STANDARD EQUIPMENT