Caterpillar 785C Rock Truck

Specifications

Dimensions information

Full lenght machine

36.25ft in

Full width machine

20.6ft in

Full height of vehicle:

19ft in

Wheelbase length (Distance between the foremost and rearmost wheels)

17ft in

Ride Height

3.24ft in

Full Dump Height:

36.83ft in

Dump Ride height

4.21ft in

Dump

Dump Angle

49degrees

Forklift capacities: – Struck

96yd3

Forklift capacities: – Heaped

119yd3

Rated load capacity:

300000lb

Lowering Time:

15.9sec

Raise Time

15.2sec

Specifications

Engine specifications

How many cylinders does an engine have?

16

Brand

2236

Model

3512B-EUI

Full engine power

1451hp

Clear engine power

1348hp

Revolutions Per Minute

1750rpm

Engine construction

Turbo

Engine displacement

3158cu in

PTO Torque Rise (%)

23%

Cylinder bore is the diameter of each cylinder

6.7in

Stroke length engine

7.5in

Net Power – Cat

1348hp

Net Power – Iso 9249

1348hp

Net Power – Sae J1349

1348hp

Net Power – 80/1269/Eec

1348hp

Gross Power – Sae J1995

1450hp

Model

Cat 3512B-EUI

Functional specifications

Standart fuel tank capacities

500gal

Coolant system fluid capacity:

100gal

How much oil does a vehicle need:

24gal

Diff And Final Drive Fluid Capacity

115gal

Steering System Fluid Capacity

31gal

Brake/Hoist System Fluid Capacity

89gal

Hydraulic liquid capacity in hydraulic machinery

169.4gal

Value of the working voltage

24V

Amperage

75amps

Wheel specs

33.00-R51 tires

Transmission specifications

Type transmission

Six-speed planetary

Number Of Gears – Forward

6

Number Of Gears – Reverse

1

Top Speed:

34mph

Reverse

6.8 mile/h

Forward – 1

7.5mph

Forward – 2

10.2mph

Forward – 3

13.8mph

Forward – 4

18.6mph

Forward – 5

25.2mph

Forward – 6

34mph

Steering

Steering Standards

SAE J1511 OCT90 ISO 5010:1992

Weights

Empty Weight

225200lb

Loaded Weight

550000lb

Weight Distribution Front – Empty

47%

Weight Distribution Rear – Empty

53%

Weight Distribution Front – Loaded

33%

Weight Distribution Rear – Loaded

67%

Tires

Standard Tires

33.00-R51 (E4) 33.00-R51 (E3)

Brakes

Brake Surface – Front

9497in2

Brake Surface – Rear

13908in2

Standards

SAE J1473 OCT90 ISO 3450-1985

Body Hoists

Pump Flow – High Idle

198 gal/min

Relief Valve Setting – Raise

2500 psi

Body Raise Time – High Idle

15.2 s

Body Lowering Time: – Float

16.2 s

Body Power Down – High Idle

15.9 s

Body Lowering Time: – High Idle

15.9 s

Final Drives

Planetary Ratio

10.83:1

Differential Ratio

2.10:1

Total Reduction Ratio

22.75:1

Operating Specifications

Top Speed – Loaded

34mph

Raise Time

15.2 s

Lowering Time:

15.9 s

Steer Angle

36degrees

Turning Diameter – Front

90.2ft in

Nominal Payload Capacity

300000lb

Machine Clearance Turning Diameter

100.4ft in

Sae (2:1) Capacity

102yd3

Service Refill Capacities

Cooling System

100gal

Differential – Final Drives

115gal

Steering Tank

24gal

Steering System – Including Tank

31gal

Brake Hoist System – Includes Tank

169gal

Crankcase

54gal

Brake/Hoist Hydraulic Tank

89gal

Torque Converter/Transmission System – Including Sump

65.6gal

Fuel Tank – Standard

500gal

Weight Distributions – Approximate

Empty truck front axle loads:

47 %

The permissible axle loads front:

33 %

Empty truck rear axle loads:

53 %

The permissible axle loads rear:

67 %

Weights – Approximate

Chassis Weight

164134lb

Gross Machine Operating Weight

550000lb

Operating Weight – Empty – Flat Floor Body

225200lb

Operating Weight – Empty – Dual-Slope Body

211035lb

Capacity – Dual Slope – 100% Fill Factor

Struck

74yd3

Heaped (Sae 2:1)

102yd3

Capacity – Flat Floor – 100% Fill Factor

Struck

96yd3

Heaped (Sae 2:1)

119yd3

Rops

Rops Standards

SAE J1040 APR88 ISO 3471:1994

Sound

Sound Standards

ANSI/SAE J1166 MAY90 SAE J88 APR95

Suspension

Effective Cylinder Stroke – Front

12.1in

Effective Cylinder Stroke – Rear

6.5in

Approximate Weights – Dual Slope

Body

46865lb

Chassis

164134lb

Empty truck front axle loads:

47 %

The permissible axle loads front:

33 %

Empty truck rear axle loads:

53 %

The permissible axle loads rear:

67 %

Gross Weight – Empty

211035lb

Approximate Weights – Flat Floor

Body

56630lb

Chassis

164134lb

Empty truck front axle loads:

47 %

The permissible axle loads front:

33 %

Empty truck rear axle loads:

53 %

The permissible axle loads rear:

67 %

Gross Weight – Empty

225200lb

Standard Liner

4400lb