Off-Highway Trucks

785D Mining Truck

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Specification Summary

Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1450 HP
Gross Machine Operating Weight (GMW)
550000 lb
Rated Power
1450 HP
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Engine

Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1450 HP
Rated Power
1450 HP
Net Power - Cat
1348 HP
Net Power - ISO 9249
1348 HP
Net Power - 80/1269/EEC
1348 HP
Torque Rise
23 %
Bore
6.7 in
Stroke
8.4 in
Displacement
3573.6 in³
Net Power
1348 HP
Net Power - SAE J1349
1348 HP

Weights - Approximate

Gross Machine Operating Weight (GMW)
550000 lb
Body Weight Range
20 831 - 30 623 kg 45,924 - 67,512 lb
Minimum/Maximum Operating Chassis Weight Range (OCW)
83 304 - 84 668 kg 183,654 - 186,661 lb
Minimum/Maximum Operating Chassis Weight Range Empty (EOMW)
106 218 - 117 597 kg 234,170 - 259,257 lb

Operating Specifications

Top Speed - Loaded
34 mile/h
Steer Angle
36 °
Turning Diameter - Front
97.7 ft
Machine Clearance Turning Diameter
108.9 ft
Maximum Target Payload
157 ton (US)
Minimum Target Payload
144 ton (US)
Target Payload - Dual Slope*
146 ton (US)

Final Drives

Differential Ratio
2.10:1
Planetary Ratio
10.83:1
Total Reduction Ratio
22.75:1

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

Suspension

Effective Cylinder Stroke - Front
12.1 in
Effective Cylinder Stroke - Rear
6.5 in

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 - Float
16.2 s
Body Power Down - High Idle
15.9 s
Body Lower Time - High Idle
15.9 s

Brakes

Brake Surface - Rear
13908 in²
Standards
SAE J1473 OCT90 ISO 3450-1985
Brake Surface - Front
9497 in²

Weight Distributions - Approximate

Front Axle - Empty*
45-46%
Front Axle - Loaded - Target
33 %
Rear Axle - Empty*
54-55%
Rear Axle - Loaded - Target
67 %

Service Refill Capacities

Fuel Tank - Standard
500 gal (US)
Cooling System
100 gal (US)
Crankcase
54 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)
Differential - Final Drives
115 gal (US)
Torque Converter/Transmission System - Including Sump
65.51 gal (US)

Tires

Standard Tires
33.00-R51 (E3 & E4)

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

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
Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1450 HP
Rated Power
1450 HP
Net Power - Cat
1348 HP
Net Power - ISO 9249
1348 HP
Net Power - 80/1269/EEC
1348 HP
Torque Rise
23 %
Bore
6.7 in
Stroke
8.4 in
Displacement
3573.6 in³
Net Power
1348 HP
Net Power - SAE J1349
1348 HP
Gross Machine Operating Weight (GMW)
550000 lb
Body Weight Range
20 831 - 30 623 kg 45,924 - 67,512 lb
Minimum/Maximum Operating Chassis Weight Range (OCW)
83 304 - 84 668 kg 183,654 - 186,661 lb
Minimum/Maximum Operating Chassis Weight Range Empty (EOMW)
106 218 - 117 597 kg 234,170 - 259,257 lb
Top Speed - Loaded
34 mile/h
Steer Angle
36 °
Turning Diameter - Front
97.7 ft
Machine Clearance Turning Diameter
108.9 ft
Maximum Target Payload
157 ton (US)
Minimum Target Payload
144 ton (US)
Target Payload - Dual Slope*
146 ton (US)
Differential Ratio
2.10:1
Planetary Ratio
10.83:1
Total Reduction Ratio
22.75:1
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
Effective Cylinder Stroke - Front
12.1 in
Effective Cylinder Stroke - Rear
6.5 in
Pump Flow - High Idle
198 gal/min
Relief Valve Setting - Raise
2500 psi
Body Raise Time - High Idle
15.2 s
Body Lower Time - Float
16.2 s
Body Power Down - High Idle
15.9 s
Body Lower Time - High Idle
15.9 s
Brake Surface - Rear
13908 in²
Standards
SAE J1473 OCT90 ISO 3450-1985
Brake Surface - Front
9497 in²
Front Axle - Empty*
45-46%
Front Axle - Loaded - Target
33 %
Rear Axle - Empty*
54-55%
Rear Axle - Loaded - Target
67 %
Fuel Tank - Standard
500 gal (US)
Cooling System
100 gal (US)
Crankcase
54 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)
Differential - Final Drives
115 gal (US)
Torque Converter/Transmission System - Including Sump
65.51 gal (US)
Standard Tires
33.00-R51 (E3 & E4)
ROPS Standards
SAE J1040 APR88 ISO 3471:1994
Sound Standards
ANSI/SAE J1166 MAY90 SAE J88 APR95
Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Body Weight
49150 lb
Heaped (SAE 2:1)
102 yd³
Body Weight
55468 lb
Heaped (SAE 2:1)
111 yd³