789D Mining Truck

789D Mining Truck

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Caterpillar’s exclusive design ownership provides advantages by creating a total hauling unit that delivers the best integration of high production, availability, and payload in combination with low operating cost and long life. The Cat® 789D continues the tradition of Caterpillar’s proven 789 Truck with high productivity and lowest in class cost per ton.

Engine

Engine Model
3516C - HD
Gross Power - SAE J1995
2100.0 hp
Bore
6.7 in
Stroke
8.3 in
Displacement
4766.0 in3
Net Power
1969.0 hp
Gross Power
2100.0 hp
Rated Net Power (ISO 9249)
1969.0 hp

Weights - Approximate

Gross Machine Operating Weight (GMW)
715000.0 lb
Body Weight Range
23 920 kg-45 547 kg (52,850 lb-100,414 lb)
Empty Operating Chassis Weight (EOCW)
218542.0 lb

Operating Specifications

Nominal Payload Capacity
200.0 tons
Standard Combi Body (SAE 2:1)
200.0 yd3
Standard Dual Slope Body (SAE 2:1)
141.0 yd3
Standard Gateless Coal Body (SAE 2:1)
250.0 yd3
Standard MSD Body (SAE 2:1)
170.0 yd3
Standard X Body (SAE 2:1)
161.0 yd3

Final Drives

Differential Ratio
2.35:1
Planetary Ratio
10.83:1
Total Reduction Ratio
25.46:1

Transmission

Forward 1
7.8 mph
Forward 2
10.6 mph
Forward 3
14.4 mph
Forward 4
19.4 mph
Forward 5
26.3 mph
Forward 6
35.5 mph
Reverse
7.3 mph

Suspension

Effective Cylinder Stroke - Front
4.0 in
Effective Cylinder Stroke - Rear
3.5 in
Rear Axle Oscillation
±5.6°

Body Hoists

Pump Flow - High Idle
193.0 gal/min
Relief Valve Setting - Raise
2500.0 psi
Body Raise Time - High Idle
18.9 Seconds
High Idle Body Lower Time - Float
17.3 Seconds
High Idle Body Lower Time - Power
15.6 Seconds

Brakes

Brake Surface - Rear
18024.0 in2
Standards
SAE J1473 OCT90 ISO 3450:1996
Brake Surface - Front
12662.0 in2

Weight Distributions - Approximate

Front Axle - Loaded
33.0 %
Rear Axle - Loaded
67.0 %
Front Axle - Empty
46.0 %
Rear Axle - Empty
54.0 %

Service Refill Capacities

Fuel Tank (standard)
550.0 gal
Fuel Tank (optional)
1000.0 gal
Cooling System
192.0 gal
Crankcase
77.0 gal
Brake/Hoist System
241.0 gal
Differential and Final Drives
154.0 gal
Steering System
50.0 gal
Transmission Tank
20.0 gal

Tires

Optional Tires
40.00-R57
Standard Tires
37.00-R57

ROPS

ROPS Standards
Standards

Sound

Sound Standards
Standards

Steering

Steering Angle
36.07 Degrees
Turning Diameter on Front Wheel
90.32 ft
Vehicle Clearance - Turn Circle
99.18 ft
Steering Standards
SAE J1511 OCT90 ISO 5010:1992

Optional Engine

Bore
6.7 in
Displacement
4211.0 in3
Engine Model
3516B EUI
Gross Power
1900.0 hp
Rated Net Power (ISO 9249)
1791.0 hp
Stroke
7.5 in
  • POWER TRAIN
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  • ELECTRICAL
    • Alarm, backup
    • Alternator, 105 amp
    • Batteries, 12V (2), 93 amp-hour
    • Converter, 12V electrical
    • Electrical system, 24V, 15 amp
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  • OPERATOR ENVIRONMENT
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    • Air conditioner
    • Auxiliary power connection/cigarette lighter
    • Diagnostic connection port
    • Dome courtesy light
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    • Electric hour meter
    • Electric engine control fault indicator
    • Engine idle shutdown
    • Mirrors, right and left
    • Speedometer
    • Tachometer
    • Transmission gear indicator
    • VIMS message center with universal gauge
    • VIMS keypad
    • Heater/defroster (11 070 kCal/43,930 BTU)
    • Horn
    • Hoist, body control (electric)
    • Integrated object detection system
    • ROPS cab, insulated/sound suppressed
    • Seatbelt, operator, 75 mm/3" wide
    • Seatbelt, trainer, two points
    • Stairway and walkway access, 600 mm (24 in)
    • Steering wheel, tilt, padded, telescopic
    • Window, operator, electric powered
    • Windshield wiper, intermittent control and washer
  • FLUIDS
    • Extended Life Coolant to -35° C (-30° F)
  • OTHER STANDARD EQUIPMENT
    • Air line dryer
    • Auto lubrication system
    • Auxiliary “buddy” dumping quick connect
    • Auxiliary steering quick connect (towing)
    • Body mounting group
    • Center mounted rims (6) (29×57) (used for 37.00-R57 tires)
    • Driveline guard (fully enclosed)
    • Fast fill fuel system
    • Ground level VIMS data port
    • Ground level battery disconnect
    • Rock ejectors
    • Supplemental steering (automatic)
    • Tie off points
    • Tow hooks (front)
    • Tow pin (rear)
    • Traction Control System
    • Vital Information Management System
  • BODY
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  • ELECTRICAL
    • Lockout transmission, ground level
    • Auxiliary work lights (1) RH side, (1) LH side
  • POWER TRAIN
    • Prelube, engine
    • Oil renewal system
  • FILTRATION CONFIGURATIONS
    • Rear axle, cooler
  • OTHER ATTACHMENTS
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  • ANTIFREEZE
    • Coolant, -50° C (-58° F)