789D

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.


SPECIFICATIONS
Engine
Engine Model 3516C - HD
Gross Power - SAE J1995 2100 HP
Bore 6.7 in
Stroke 8.3 in
Displacement 4766 in³
Net Power 1969 HP
Gross Power 2100 HP
Rated Net Power - ISO 9249 1969 HP


Weights - Approximate
Gross Machine Operating Weight (GMW) 715000 lb
Body Weight Range 23 920 kg-45 547 kg (52,850 lb-100,414 lb)
Empty Operating Chassis Weight (EOCW) 218542 lb


Operating Specifications
Nominal Payload Capacity 200 ton (US)
Standard Combi Body (SAE 2:1) 200 yd³
Standard Dual Slope Body (SAE 2:1) 141 yd³
Standard Gateless Coal Body (SAE 2:1) 250 yd³
Standard MSD Body (SAE 2:1) 170 yd³
Standard X Body (SAE 2:1) 161 yd³


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


Transmission
Forward - 1 7.8 mile/h
Forward - 2 10.6 mile/h
Forward - 3 14.4 mile/h
Forward - 4 19.4 mile/h
Forward - 5 26.3 mile/h
Forward - 6 35.5 mile/h
Reverse 7.3 mile/h


Suspension
Effective Cylinder Stroke - Front 4 in
Effective Cylinder Stroke - Rear 3.5 in
Rear axle - Oscillation ±5.6°


Body Hoists
Pump Flow - High Idle 193 gal/min
Relief Valve Setting - Raise 2500 psi
Body Raise Time - High Idle 18.9 s
High Idle Body Lower Time - Float 17.3 s
High Idle Body Lower Time - Power 15.6 s


Brakes
Brake Surface - Rear 18024 in²
Standards SAE J1473 OCT90 ISO 3450:1996
Brake Surface - Front 12662 in²


Weight Distributions - Approximate
Front Axle - Empty 46 %
Front Axle - Loaded 33 %
Rear Axle - Empty 54 %
Rear Axle - Loaded 67 %


Service Refill Capacities
Brake Hoist System 241 gal (US)
Cooling System 192 gal (US)
Crankcase 77 gal (US)
Differential - Final Drives 154 gal (US)
Fuel Tank - Optional 1000 gal (US)
Fuel Tank - Standard 550 gal (US)
Steering System 50 gal (US)
Transmission Tank 20 gal (US)


Tires
Optional Tires 40.00-R57
Standard Tires 37.00-R57


ROPS
ROPS Standards Standards


Sound
Sound Standards Standards


Steering
Steering Angle 36.07 °
Turning Diameter - 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 in³
Engine Model 3516B EUI
Gross Power 1900 HP
Rated Net Power - ISO 9249 1791 HP
Stroke 7.5 in


BENEFITS & FEATURES
Power Train - Engine



Power Train - Transmission



Engine/Power Train Integration



Structures



Operator's Station



Cat® Brake System



Truck Body Systems



Monitoring System



Safety



Sustainability



Serviceability



Customer Support



EQUIPMENT
Standard Equipment

POWER TRAIN
  • Diesel engine/turbocharged/aftercooled:
  • Braking system:
  • Transmission:
ELECTRICAL
  • Alarm, backup
  • Alternator, 105 amp
  • Batteries, 12V (2), 93 amp-hour
  • Converter, 12V electrical
  • Electrical system, 24V, 15 amp
  • Lighting system:
OPERATOR ENVIRONMENT
  • STANDARD CAB
  • DELUXE CAB
  • DELUXE COLD WEATHER CAB
  • Air conditioner
  • Auxiliary power connection/cigarette lighter
  • Diagnostic connection port
  • Dome courtesy light
  • Entertainment Radio Ready:
  • Gauges/indicators:
  • 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

Optional Equipment

BODY
  • Dual slope body:
  • Dual slope body attachments:
  • X body:
  • X body attachments:
  • MSD II body:
  • MSD II body attachments:
  • Combination body:
  • Combination body attachments:
  • Gateless coal body:
  • Gateless coal body attachments:
  • Body lighting group - rear:
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
  • Information management:
  • Cold weather:
  • Service center:
  • Miscellaneous:
ANTIFREEZE
  • Coolant, -50° C (-58° F)

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