785D Mining Truck

Overview
Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1,450 hp
Rated Power
1,450 hp
  • Exterior View
  • Interior View

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.

Engine

Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1,450 hp
Rated Power
1,450 hp
Net Power - Cat
1,348 hp
Net Power - ISO 9249
1,348 hp
Net Power - 80/1269/EEC
1,348 hp
Torque Rise
23 %
Bore
7 in
Stroke
8 in
Displacement
3,574 in3
Net Power
1,348 hp
Net Power - SAE J1349
1,348 hp
Engine Model
Cat® 3512C HD
Gross Power - SAE J1995
1,450 HP
Rated Power
1,450 HP
Net Power - Cat
1,348 HP
Net Power - ISO 9249
1,348 HP
Net Power - 80/1269/EEC
1,348 HP
Torque Rise
23 %
Bore
7 in
Stroke
8 in
Displacement
3,574 in³
Net Power
1,348 HP
Net Power - SAE J1349
1,348 HP

Operating Specifications

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

Transmission

Forward 1
8 mph
Forward 2
10 mph
Forward 3
14 mph
Forward 4
19 mph
Forward 5
25 mph
Forward 6
34 mph
Reverse
7 mph
Forward - 1
8 mile/h
Forward - 2
10 mile/h
Forward - 3
14 mile/h
Forward - 4
19 mile/h
Forward - 5
25 mile/h
Forward - 6
34 mile/h
Reverse
7 mile/h

Final Drives

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

Suspension

Effective Cylinder Stroke - Front
12 in
Effective Cylinder Stroke - Rear
7 in
Effective Cylinder Stroke - Front
12 in
Effective Cylinder Stroke - Rear
7 in

Brakes

Brake Surface - Rear
13,908 in2
Standards
SAE J1473 OCT90 ISO 3450-1985
Brake Surface - Front
9,497 in2
Brake Surface - Rear
13,908 in²
Standards
SAE J1473 OCT90 ISO 3450-1985
Brake Surface - Front
9,497 in²

Body Hoists

Pump Flow - High Idle
198 gal/min
Relief Valve Setting - Raise
2,500 psi
Body Raise Time - High Idle
15 Seconds
Body Lower Time - Float
16 Seconds
Body Power Down - High Idle
16 Seconds
Body Lower Time - High Idle
16 Seconds
Pump Flow - High Idle
198 gal/min
Relief Valve Setting - Raise
2,500 psi
Body Raise Time - High Idle
15 s
Body Lower Time - Float
16 s
Body Power Down - High Idle
16 s
Body Lower Time - High Idle
16 s

Service Refill Capacities

Fuel Tank (standard)
500 gal
Cooling System
100 gal
Crankcase
54 gal
Steering Tank
24 gal
Steering System (Includes Tank)
31 gal
Brake/Hoist Hydraulic Tank
89 gal
Brake/Hoist System (Includes Tank)
169 gal
Differential and Final Drives
115 gal
Torque Converter/Transmission System - Including Sump
66 gal (US)
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)

ROPS

ROPS Standards
SAE J1040 APR88 ISO 3471:1994
ROPS Standards
SAE J1040 APR88 ISO 3471:1994

Sound

Sound Standards
ANSI/SAE J1166 MAY90 SAE J88 APR95
Sound Standards
ANSI/SAE J1166 MAY90 SAE J88 APR95

Steering

Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Steering Standards
SAE J1511 OCT90 ISO 5010:1992

Tires

Standard Tires
33.00-R51 (E3 & E4)
Standard Tires
33.00-R51 (E3 & E4)

Weights - Approximate

Gross Machine Operating Weight (GMW)
550,000 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

Body - X

Body Weight
55,468 lb
Heaped (SAE 2:1)
111 yd³

Weight Distributions - Approximate

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

Body - Dual Slope

Body Weight
49,150 lb
Heaped (SAE 2:1)
102 yd³

Power Train - Engine

Power Train - Transmission

Engine/Power Train Integration

Structures/Suspension/Steering

Operator's Station

Cat Brake System

Truck Body Systems

Monitoring System

Safety

Sustainability

Serviceability

Customer Support

  • Electrical
    • Alarm, Back-up
    • Alternator (105 A)
    • Batteries, 93Ah, Low-maintenance, 12V (2)
    • Converter, 12V electrical
    • Electrical System, 24V, 15A
    • Lighting System
  • Operator Environment
    • Air Conditioner
    • Ashtray/cigarette lighter
    • Coat hook
    • Diagnostic connection port
    • Dome courtesy light
    • Entertainment radio ready
    • Gauges/Indicators
    • Heater/defroster
    • Horn
    • Hoist body control, electric
    • Integrated Object Detection System
    • ROPS cab insulated/sound suppressed
    • Storage compartment
    • Seatbelt, 75 mm (3 in), retractable
    • Steering wheel, tilt, padded, telescopic
    • Sun visor
    • Tinted glass
    • Window, electric powered, operator
    • Windshield wiper, intermittent control and washer
  • Power Train
    • Cat 3512C HD-EUI diesel engine
    • Braking System
    • Transmission
  • Other Standard Equipment
    • Air Line Dryer (2)
    • Body Mounting Group
    • Auto lubrication system (Lincoln)
    • Dumping, Auxiliary Quick Connect for “Buddy Dumping”
    • Steering, Auxiliary Quick Connect for Towing
    • Continuous rear axle filtration
    • Diagonal stairway, 600 mm (24 in)
    • Driveline Operator Safety Guard
    • Fast-fill Fuel System
    • VIMS Dataport
    • Battery Disconnect
    • High speed crankcase oil change
    • Reservoirs (Separate)
    • S·O·SSM sample ports
    • Supplemental steering (automatic)
    • Tie Down Eyes
    • Tow Hooks, Front
    • Traction Control System
    • Vandalism Protection Locks
    • Vital Information Management System (VIMS) includes:
  • Bodies
    • Body, X
    • MSD II (Mine Specific Design)
    • Dual Slope
    • Custom Body Options
  • Body Extensions
    • Tail
    • Wrap around
  • Liners
    • Full-length liner
    • Tail extension wrap-around
  • Operator Environment
    • Footrest, operator
    • Hose, cab clean-out
    • Vacuum, cab clean-out
  • Power Train
    • Pre-lube, engine
    • Oil renewal system
    • Oil cooler, rear axle
  • Cold Weather
    • Starting, Cold Weather
  • Tires And Rims
    • Spare rims
  • Information Management
    • Control, Road Analysis (RAC)
  • Service Center
    • Service Center, Wiggins
  • Miscellaneous
    • Fire extinguisher, portable
    • Hub Odometer, Kilometers
    • Hub Odometer, Miles
    • Wheel Chocks
    • Heater, Diesel fuel

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