Home Rock Truck Caterpillar Caterpillar 785C Rock Truck

Caterpillar 785C Rock Truck

472

Contents

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

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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

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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