Category : Off-Highway Trucks ➔ Manufacturer : Caterpillar ➔ Model : 789D ➔
The Caterpillar 789D Off-Highway Truck is a powerhouse of performance, boasting a rigid body hoist with impressive raise time and pump flow capabilities. Equipped with a 2100 hp Cat 3516C HD engine and a dump rated payload of 181 tons, this 2WD drive configuration vehicle is designed for heavy-duty tasks. With a large operating weight and top-notch transmission speeds, the 789D ensures efficiency and reliability in demanding work environments. Built to meet ROPS standards and equipped with advanced suspension and sound features, this off-highway truck is a top choice for high-performance operations.
General Specifications
Caterpillar 789D Off-Highway Truck General Specifications specifications
Articulated/Rigid
R — Starting 2019 Model Year
Drive Configuration
2WD — Starting 2019 Model Year
Engine Type
Cat 3516C HD — Starting 2019 Model Year
Mfg. Model
789D — Starting 2019 Model Year
Operating Weight
700,000.00 lbs (317,515.05 kg) — Starting 2019 Model Year
Planetary Powershift Transmission
Auto — Starting 2019 Model Year
Rated Payload
181.00 t (181,000.00 kg) — Starting 2019 Model Year
Body Hoists
Caterpillar 789D Off-Highway Truck Body Hoists specifications
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
Pump Flow - High Idle
193.00 gpm (730.51 lpm)
Relief Valve Setting - Raise
2500 psi
Brakes
Caterpillar 789D Off-Highway Truck Brakes specifications
Brake Surface - Front
12662 in2
Brake Surface - Rear
18024 in2
Standards
SAE J1473 OCT90 ISO 3450:1996
Engine
Caterpillar 789D Off-Highway Truck Engine specifications
Bore
6.70 in (17.02 cm)
Displacement
4,766.00 cu in (78,100.92 cu cm)
Engine Model
3516C - HD
Gross Power
2,100.00 hp (1,566.00 kw)
Gross Power - Sae J1995
2,100.00 hp (1,566.00 kw)
Net Power
1,969.00 hp (1,468.31 kw)
Rated Net Power - Iso 9249
1,969.00 hp (1,468.31 kw)
Stroke
8.30 in (21.08 cm)
Final Drives
Caterpillar 789D Off-Highway Truck Final Drives specifications
Differential Ratio
2.35:1
Planetary Ratio
10.83:1
Total Reduction Ratio
25.46:1
Operating Specifications
Caterpillar 789D Off-Highway Truck Operating Specifications specifications
Nominal Payload Capacity
400,000.00 lbs (181,437.17 kg)
Standard Combi Body (Sae 2:1)
200 cu yd
Standard Dual Slope Body (Sae 2:1)
141 cu yd
Standard Gateless Coal Body (Sae 2:1)
250 cu yd
Standard Msd Body (Sae 2:1)
170 cu yd
Standard X Body (Sae 2:1)
161 cu yd
Optional Engine
Caterpillar 789D Off-Highway Truck Optional Engine specifications
Bore
6.70 in (17.02 cm)
Displacement
4,211.00 cu in (69,006.08 cu cm)
Engine Model
3516B EUI
Gross Power
1,900.00 hp (1,416.85 kw)
Rated Net Power - Iso 9249
1,791.00 hp (1,335.57 kw)
Stroke
7.50 in (19.05 cm)
Rops
Caterpillar 789D Off-Highway Truck Rops specifications
Rops Standards
Standards
Service Refill Capacities
Caterpillar 789D Off-Highway Truck Service Refill Capacities specifications
Brake Hoist System
241.00 gal (912.19 l)
Cooling System
192.00 gal (726.72 l)
Crankcase
77.00 gal (291.45 l)
Differential - Final Drives
154.00 gal (582.89 l)
Fuel Tank - Optional
1,000.00 gal (3,785.00 l)
Fuel Tank - Standard
550.00 gal (2,081.75 l)
Steering System
50.00 gal (189.25 l)
Transmission Tank
20.00 gal (75.70 l)
Sound
Caterpillar 789D Off-Highway Truck Sound specifications
Sound Standards
Standards
Steering
Caterpillar 789D Off-Highway Truck Steering specifications
Steering Angle
36.1 degrees
Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Turning Diameter -Front Wheel
90.40 ft (27.55 m)
Vehicle Clearance - Turn Circle
99.20 ft (30.24 m)
Suspension
Caterpillar 789D Off-Highway Truck Suspension specifications
Effective Cylinder Stroke - Front
4.00 in (10.16 cm)
Effective Cylinder Stroke - Rear
3.50 in (8.89 cm)
Tires
Caterpillar 789D Off-Highway Truck Tires specifications
Optional Tires
40.00-R57
Standard Tires
37.00-R57
Transmission
Caterpillar 789D Off-Highway Truck Transmission specifications
Forward - 1
7.80 mph (12.55 kph)
Forward - 2
10.60 mph (17.06 kph)
Forward - 3
14.40 mph (23.17 kph)
Forward - 4
19.40 mph (31.22 kph)
Forward - 5
26.30 mph (42.33 kph)
Forward - 6
35.50 mph (57.13 kph)
Reverse
7.3 mile/h
Weight Distributions - Approximate
Caterpillar 789D Off-Highway Truck Weight Distributions - Approximate specifications
Front Axle - Empty
46 %
Front Axle - Loaded
33 %
Rear Axle - Empty
54 %
Rear Axle - Loaded
67 %
Weights - Approximate
Caterpillar 789D Off-Highway Truck Weights - Approximate specifications
Body Weight Range
23 920 kg-45 547 kg (52,850 lb-100,414 lb)
Empty Operating Chassis Weight (Eocw)
218,542.00 lbs (99,129.11 kg)
Gross Machine Operating Weight (Gmw)
715,000.00 lbs (324,318.95 kg)
