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789D Mining Truck
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.
- Standard Equipment
- Optional Equipment
- Specs
Standard Equipment
- POWER TRAIN
- Diesel engine/turbocharged/aftercooled:
–Ground level engine shutdown
–Ether starting aid (automatic
– Aftercooler (separate circuit or air to air)
– Elevated low idle control
– Automatic starter protection
– Multi-point all pressure sensing - Braking system:
–Brake release motor (towing)
– Oil-cooled, multi-disc (front and rear)
– (service retarding, parking, secondary)
– Automatic Retarder Control
– Engine overspeed protection
– Extended life brake disc material - Transmission:
– 6-speed, automatic powershift with electronic control (TCC)
– Controlled throttle shifting; Individual clutch modulation
– Body-up shift inhibitor
– Directional shift management
– Downshift/reverse shift inhibitor
– Oil level sensor
– Neutral start switch/coast inhibitor
– Body-up reverse neutralizer
– Programmable top gear
– Lock-up torque converter
– Rear axle continuous lubrication/filtration
- Diesel engine/turbocharged/aftercooled:
- ELECTRICAL
- Alarm, backup
- Alternator, 105 amp
- Batteries, 12V (2), 93 amp-hour
- Converter, 12V electrical
- Electrical system, 24V, 15 amp
- Lighting system:
– Backup and hazard lights; Auxiliary work lights (2) rear, (1) RH side, (1) LH side; Directional signals (front and rear LED)
– Engine compartment lights
– External payload lights
– Headlights with lo-hi beam selector
– Ladder light and service deck lights
– Left-hand ladder/service deck
– Stop/tail lights (LED)
– VIMS, blue light (LED)
- OPERATOR ENVIRONMENT
- STANDARD CAB:
– Operator seat
–Non-suspension trainer seat
– Flip down front visor
– Standard side of cab access - DELUXE CAB:
– Heated and ventilated operator seat
– Suspension trainer seat
– Retractable front visor
– Rear of cab access and standard side of cab access
– Vacuum, cab clean-out
– Operator Footrest - DELUXE COLD WEATHER CAB:
– Heated and ventilated operator seat
– Suspension trainer seat
– Retractable front visor
– Rear of cab access and standard side of cab access
– Vacuum
–cab clean-out
–Operator Footrest
– Deluxe Diffuser - Air conditioner
- Auxiliary power connection/cigarette lighter
- Diagnostic connection port
- Dome courtesy light
- Entertainment Radio Ready: 5 amp converter, Speakers, Antenna wiring
- Gauges/indicators: Air cleaner service indicator; Quad gauge panel: Air pressure, Brake oil temperature, Engine coolant temperature, Fuel level
- 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
- STANDARD CAB:
- 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: Body, dual slope, 109 m3 (142 yd3)
- Dual slope body attachments:
– Extensions, 457 mm (18"), side, DS, 123 m3 (161 yd3)
– Extension, wraparound tail, DS
– Liner, entire body, DS
– Liner, wraparound, DS, 450 BHN
– Rock deflector, rear tire, DS - X body: Body, X, 123 m3 (161 yd3)
- X body attachments: Extensions, side, X, 185 mm (7"), 131 m3 (171 yd3); Extensions, side, X, 385 mm (15"), 138 m3 (181 yd3)
- MSD II body: Body, MSD II, 130 m3 (170 yd3)
- MSD II body attachments:
– Extensions, side, MSD II, 141 m3 (185 yd3)
– Extensions, side, MSD II, 153 m3 (200 yd3) - Combination body: Body, combi, 153 m3 (200 yd3)
- Combination body attachments: Extensions, side, combi, 195 m3 (255 yd3)
- Gateless coal body: Body, gateless coal, 191 m3 (250 yd3)
- Gateless coal body attachments: Extensions, side, coal, 214 m3 (280 yd3); Extensions, side, coal, 237 m3 (310 yd3)
- Body lighting group - rear:
– Directional signals (LED)
– Stop/tail lights (LED)
- 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: Control, road analysis (RAC)
- Cold weather: Brake oil, recirculating; Cold weather start
- Service center:
– Service, 3516B, standard volume
– Service, 3516B, large volume
– Service, 3516C, standard volume
– Service, 3516C, large volume
– Service, engine oil, standard - Miscellaneous:
– Fire extinguisher, portable
– Hub odometer, kilometers
– Wheel chocks
– Gauge, brake wear indicator
- ANTIFREEZE
- Coolant, -50° C (-58° F)
Specs
Overview
Long Name:
789D Mining Truck
Name:
789D
Brand:
Caterpillar
Status:
Current
Engine
Gross Power - SAE J1995:
2100 HP / 1566 kW
Engine Model:
Cat® 3516C HD
Rated Net Power - ISO 9249:
1969 HP / 1468 kW
Bore:
6.7 in / 170 mm
Stroke:
8.3 in / 210 mm
Displacement:
4766 in³ / 78.1 l
Net Power:
1969 HP / 1468 kW
Gross Power:
2100 HP / 1566 kW
Optional Engine
Engine Model:
Cat® 3516B EUI
Gross Power:
1900 HP / 1417 kW
Rated Net Power - ISO 9249:
1791 HP / 1335 kW
Bore:
6.7 in / 170 mm
Stroke:
7.5 in / 190 mm
Displacement:
4211 in³ / 69 l
Weights - Approximate
Rated Gross Machine Weight:
715000 lb / 324319 kg
Body - Dual Slope
Body Weight:
60684 lb / 27526 kg
Weights - Approximate
Chassis Weight:
218542 lb / 99129 kg
Nominal Rated Payload:
210 ton (US) / 191 t
Operating Specifications
Standard MSD Body (SAE 2:1):
170 yd³ / 130 m³
Standard X Body (SAE 2:1):
161 yd³ / 123 m³
Standard Dual Slope Body (SAE 2:1):
141 yd³ / 108 m³
Standard Combi Body (SAE 2:1):
200 yd³ / 153 m³
Standard Gateless Coal Body (SAE 2:1):
250 yd³ / 191 m³
Transmission
Forward - 1:
7.8 mile/h / 12.6 km/h
Forward - 2:
10.6 mile/h / 17.1 km/h
Forward - 3:
14.4 mile/h / 23.1 km/h
Forward - 4:
19.4 mile/h / 31.2 km/h
Forward - 5:
26.3 mile/h / 42.3 km/h
Forward - 6:
35.5 mile/h / 57.2 km/h
Reverse:
7.3 mile/h / 11.8 km/h
Top Speed - Loaded:
35.5 mile/h / 57.2 km/h
Final Drives
Differential Ratio:
2.35:1
Planetary Ratio:
10.83:1
Total Reduction Ratio:
25.46:1
Suspension
Effective Cylinder Stroke - Front:
4 in / 105 mm
Effective Cylinder Stroke - Rear:
3.5 in / 93 mm
Rear axle - Oscillation:
±5.6°
Brakes
Brake Surface - Front:
12662 in² / 81693 cm²
Brake Surface - Rear:
18024 in² / 116283 cm²
Standards:
SAE J1473 OCT90 ISO 3450:1996
Body Hoists
Pump Flow - High Idle:
193 gal/min / 731 l/min
Relief Valve Setting - Raise:
2500 psi / 17238 kPa
Body Raise Time - High Idle:
18.9 s / 18.9 s
High Idle Body Lower Time - Float:
17.3 s / 17.3 s
High Idle Body Lower Time - Power:
15.6 s / 15.6 s
Weight Distributions - Approximate
Front Axle - Empty:
46 % / 46 %
Rear Axle - Empty:
54 % / 54 %
Front Axle - Loaded:
33 % / 33 %
Rear Axle - Loaded:
67 % / 67 %
Note:
Weight distributions optimized with Cat body.
Tires
Standard Tires:
37.00-R57
Optional Tires:
40.00-R57
Service Refill Capacities
Fuel Tank - Standard:
550 gal (US) / 2082 l
Fuel Tank - Optional:
1000 gal (US) / 3785 l
Cooling System:
192 gal (US) / 725 l
Crankcase:
77 gal (US) / 291 l
Differential - Final Drives:
154 gal (US) / 583 l
Steering System:
50 gal (US) / 189 l
Brake Hoist System:
241 gal (US) / 909 l
Transmission Tank:
20 gal (US) / 76 l
ROPS
ROPS Standards:
Standards
Sound
Sound Standards:
Standards
Steering
Steering Standards:
SAE J1511 OCT90 ISO 5010:1992
Steering Angle:
36.07 ° / 36.07 °
Turning Diameter - Front Wheel:
90.32 ft / 27.53 m
Vehicle Clearance - Turn Circle:
99.18 ft / 30.23 m