785D Mining Truck

785D Mining Truck

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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
1450.0 hp
Rated Power
1450.0 hp
Net Power - Cat
1348.0 hp
Net Power - ISO 9249
1348.0 hp
Net Power - 80/1269/EEC
1348.0 hp
Torque Rise
23.0 %
Bore
6.7 in
Stroke
8.4 in
Displacement
3573.6 in3
Net Power
1348.0 hp
Net Power - SAE J1349
1348.0 hp

Weights - Approximate

Gross Machine Operating Weight (GMW)
550000.0 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
34.0 mph
Steer Angle
36.0 Degrees
Machine Clearance Turning Diameter
108.9 ft
Maximum Target Payload
157.0 tons
Minimum Target Payload
144.0 tons
Target Payload (Dual Slope)*
146.0 tons
Turning Diameter - Front
97.7 ft

Final Drives

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

Transmission

Forward 1
7.5 mph
Forward 2
10.2 mph
Forward 3
13.8 mph
Forward 4
18.6 mph
Forward 5
25.2 mph
Forward 6
34.0 mph
Reverse
6.8 mph

Suspension

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

Body Hoists

Pump Flow - High Idle
198.0 gal/min
Relief Valve Setting - Raise
2500.0 psi
Body Raise Time - High Idle
15.2 Seconds
Body Lower Time - Float
16.2 Seconds
Body Power Down - High Idle
15.9 Seconds
Body Lower Time - High Idle
15.9 Seconds

Brakes

Brake Surface - Rear
13908.0 in2
Standards
SAE J1473 OCT90 ISO 3450-1985
Brake Surface - Front
9497.0 in2

Weight Distributions - Approximate

Front Axle - Empty*
45-46%
Front Axle - Loaded (Target)
33.0 %
Rear Axle - Empty*
54-55%
Rear Axle - Loaded (Target)
67.0 %

Service Refill Capacities

Fuel Tank (standard)
500.0 gal
Cooling System
100.0 gal
Crankcase
54.0 gal
Steering Tank
24.0 gal
Steering System (Includes Tank)
31.0 gal
Brake/Hoist Hydraulic Tank
89.0 gal
Brake/Hoist System (Includes Tank)
169.0 gal
Differential and Final Drives
115.0 gal
Torque Converter/Transmission System (Includes Sump)
65.51 gal

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
49150.0 lb
Heaped SAE (2:1)
102.0 yd3

Body - X

Body Weight
55468.0 lb
Heaped SAE (2:1)
111.0 yd3
  • ELECTRICAL
    • Alarm, Back-up
    • Alternator (105 A)
    • Batteries, 93Ah, Low-maintenance, 12V (2)
    • Converter, 12V electrical
    • Electrical System, 24V, 15A
    • Array
  • OPERATOR ENVIRONMENT
    • Air Conditioner
    • Ashtray/cigarette lighter
    • Coat hook
    • Diagnostic connection port
    • Dome courtesy light
    • Array
    • Array
    • 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
    • Array
    • Array
    • Array
  • 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
    • Array
    • S·O·SSM sample ports
    • Supplemental steering (automatic)
    • Tie Down Eyes
    • Tow Hooks, Front
    • Traction Control System
    • Vandalism Protection Locks
    • Array
  • 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
    • Array
  • 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