Caterpillar 789C Rock Truck

SKU: Caterpillar-789c-rock-truck Category: ,
Weights
Body Weight Range

26 800-29 950 kg (59,000-71,500 lb)

Chassis Weight

218300 lb

Empty Weight

299100.8 lb

Gross Weight - Empty

299100 lb

Loaded Weight

700000 lb

Platform
Lower Time

17.3sec

Engine & Fuel System
Engine Make

2236

Engine Model

Cat 3516B EUI

Engine Oil Capacity

20 gal

Fuel Capacity

851 gal

Fuel Tank - Standard

851 gal

Gross Power

1900 hp

Gross Power - Sae J1995

1900 hp

Net Power

1770.2 hp

Net Power - 80/1269/Eec

1791 hp

Net Power - Iso 9249

1791 hp

Net Power - Sae J1349

1771 hp

Number Of Cylinders

16

Power Measured @

1750 rpm

Aspiration

turbocharged

Cooling System

175 gal

Cooling System Fluid Capacity

175 gal

Displacement

4211 cu in

Drive System
Brake/Hoist Hydraulic Tank

140 gal

Brake Surface - Front

12662 in2

Brake Surface - Rear

18024 in2

Differential - Final Drives

154 gal

Steering Standards

SAE J1511 OCT90, ISO 5010:1992

Steering Tank

34 gal

Hydraulic System
Pump Flow - High Idle

193 gal/min

Relief Valve Setting - Raise

2500 psi

Dimensions, Wheels & Tires
Standard Tires

37.00-R57 (E4)

Tire Size

37.00-R57(E4)

Wheelbase

18.68 ft in

Dump Ground Clearance

4.37 ft in

Ground Clearance

3.83 ft in

Overall Width

25.18 ft in

Overall Length

39.92 ft in

Overall Height

20.25 ft in

Battery & Electrical System
Alternator Supplied Amperage

75 A

Operating Voltage

24 V

Transmission
Transmission Type

Six-speed planetary power shift with direct injection

Max Speed

32.7 mph

Number Of Gears - Forward

6

Number Of Gears - Reverse

1

Top Speed - Loaded

32.7 mph

Forward - 1

7.2 mph

Forward - 2

9.8 mph

Forward - 3

13.2 mph

Forward - 4

17.8 mph

Forward - 5

24.2 mph

Forward - 6

32.7 mph

Reverse

6.5 mile/h

Technical Specs
Dump Height

39.25 ft in

Dump Angle

49.5 degrees

Load Capacity - Struck

102 yd3

Load Capacity - Heaped

137.34 yd3

Rated Payload

390000 lb

Raise Time

18.9sec

Bore

6.7 in

Stroke

7.5 in

Standards

SAE J1473 OCT90 ISO 3450:1996

Body Raise Time - High Idle

18.9 s

Body Lower Time - Float

17.3 s

Body Power Down - High Idle

15.6 s

Planetary Ratio

10.83:1

Differential Ratio

2.35:1

Total Reduction Ratio

25.46:1

Steer Angle

36 degrees

Body Capacity - Sae 2:1

137 yd3

Turning Diameter - Front

90.2 ft in

Nominal Payload Capacity

390000 lb

Crankcase

77 gal

Struck

102 yd3

Heaped (Sae 2:1)

158 yd3

Full Liner

20840 lb

Tail Extension

1700 lb

Side Boards

2860 lb

Body

66200 lb

Chassis

225400 lb

Grid Liner

3300 lb

Rear - Third Liner

4200 lb