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.
Weights - Approximate
- Nominal Rated Payload
- 155 ton (US)
- Rated Gross Machine Weight
- 550000 lb
- Body Weight - MSD
- 46738 lb
- Chassis Weight
- 183270 lb
Engine
- Gross Power - SAE J1995
- 1450 HP
- Engine Model
- Cat® 3512C HD
- Net Power - SAE J1349
- 1348 HP
- Bore
- 6.7 in
- Stroke
- 8.4 in
- Displacement
- 3573.6 in³
Weight Distributions - Approximate
- Front Axle - Empty*
- 45-46%
- Rear Axle - Empty*
- 54-55%
- Front Axle - Loaded - Target
- 33 %
- Rear Axle - Loaded - Target
- 67 %
- Rear Axle - Loaded
- *Depends on body configuration.
- Rear Axle - Empty
- *Depends on body configuration.
- Note
- Weight distributions optimized with Cat body.
Body - Dual Slope
- Body Weight
- 49150 lb
- Heaped (SAE 2:1)
- 102 yd³
Body - X
- Body Weight
- 55468 lb
- Heaped (SAE 2:1)
- 111 yd³
Transmission
- Forward - 1
- 7.5 mile/h
- Forward - 2
- 10.2 mile/h
- Forward - 3
- 13.8 mile/h
- Forward - 4
- 18.6 mile/h
- Forward - 5
- 25.2 mile/h
- Forward - 6
- 34 mile/h
- Reverse
- 6.8 mile/h
- Top Speed - Loaded
- 34 mile/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
- Effective Cylinder Stroke - Rear
- 6.5 in
Brakes
- Brake Surface - Front
- 9497 in²
- Brake Surface - Rear
- 13908 in²
- Standards
- SAE J1473 OCT90 ISO 3450-1985
Body Hoists
- Pump Flow - High Idle
- 198 gal/min
- Relief Valve Setting - Raise
- 2500 psi
- Body Raise Time - High Idle
- 15.2 s
- Body Lower Time - High Idle
- 15.9 s
- Body Lower Time - Float
- 16.2 s
- Body Power Down - High Idle
- 15.9 s
Service Refill Capacities
- Fuel Tank - Standard
- 500 gal (US)
- Cooling System
- 100 gal (US)
- Crankcase
- 54 gal (US)
- Differential - Final Drives
- 115 gal (US)
- Steering Tank
- 24 gal (US)
- Steering System - Including Tank
- 31 gal (US)
- Brake/Hoist Hydraulic Tank
- 89 gal (US)
- Brake Hoist System - Includes Tank
- 169 gal (US)
- Torque Converter/Transmission System - Including Sump
- 65.51 gal (US)
ROPS
- ROPS Standards
- SAE J1040 APR88 ISO 3471:1994
Sound
- Sound Standards
- ANSI/SAE J1166 MAY90 SAE J88 APR95
Steering
- Turning Diameter - Front
- 97.7 ft
- Steer Angle
- 36 °
- Steering Standards
- SAE J1511 OCT90 ISO 5010:1992
Tires
- Standard Tires
- 33.00-R51 (E3 & E4)
