Caterpillar 789C Rock Truck

SKU: Caterpillar-789c-rock-truck Category: ,
Overall Length

39.92ft in

Overall Width

25.18ft in

Overall Height

20.25ft in

Wheelbase

18.68ft in

Ground Clearance

3.83ft in

Dump Height

39.25ft in

Dump Ground Clearance

4.37ft in

Dump Angle

49.5degrees

Load Capacity - Struck

102yd3

Load Capacity - Heaped

137.34yd3

Rated Payload

390000lb

Lower Time

17.3sec

Raise Time

18.9sec

Number Of Cylinders

16

Engine Make

2236

Gross Power

1900hp

Net Power

1770.2hp

Power Measured @

1750rpm

Aspiration

turbocharged

Displacement

4211cu in

Bore

6.7in

Stroke

7.5in

Net Power - Iso 9249

1791hp

Net Power - Sae J1349

1771hp

Net Power - 80/1269/Eec

1791hp

Gross Power - Sae J1995

1900hp

Engine Model

Cat 3516B EUI

Fuel Capacity

851gal

Cooling System Fluid Capacity

175gal

Engine Oil Capacity

20gal

Operating Voltage

24V

Alternator Supplied Amperage

75amps

Tire Size

37.00-R57(E4)

Transmission Type

Six-speed planetary power shift with direct injection

Number Of Gears - Forward

6

Number Of Gears - Reverse

1

Max Speed

32.7mph

Reverse

6.5 mile/h

Forward - 1

7.2mph

Forward - 2

9.8mph

Forward - 3

13.2mph

Forward - 4

17.8mph

Forward - 5

24.2mph

Forward - 6

32.7mph

Steering Standards

SAE J1511 OCT90, ISO 5010:1992

Empty Weight

299100.8lb

Loaded Weight

700000lb

Standard Tires

37.00-R57 (E4)

Brake Surface - Front

12662in2

Brake Surface - Rear

18024in2

Standards

SAE J1473 OCT90 ISO 3450:1996

Pump Flow - High Idle

193 gal/min

Relief Valve Setting - Raise

2500 psi

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

Top Speed - Loaded

32.7mph

Steer Angle

36degrees

Body Capacity - Sae 2:1

137yd3

Turning Diameter - Front

90.2ft in

Nominal Payload Capacity

390000lb

Cooling System

175gal

Differential - Final Drives

154gal

Steering Tank

34gal

Crankcase

77gal

Brake/Hoist Hydraulic Tank

140gal

Fuel Tank - Standard

851gal

Front Axle - Empty

47 %

Front Axle - Loaded

33 %

Rear Axle - Empty

53 %

Rear Axle - Loaded

67 %

Chassis Weight

218300lb

Body Weight Range

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

Struck

102yd3

Heaped (Sae 2:1)

158yd3

Full Liner

20840lb

Tail Extension

1700lb

Side Boards

2860lb

Body

66200lb

Chassis

225400lb

Gross Weight - Empty

299100lb

Grid Liner

3300lb

Rear - Third Liner

4200lb