Caterpillar 785D Rock Truck

Specifications

Dimensions information

Full lenght machine

37.89ft in

Full width machine

21.79ft in

Full height of vehicle:

16.81ft in

Wheelbase length (Distance between the foremost and rearmost wheels)

17ft in

Ride Height

3.24ft in

Full Dump Height:

38.75ft in

Dump Ride height

3.94ft in

Dump

Lowering Time:

15.9sec

Forklift capacities: – Heaped

102yd3

Rated load capacity:

300000lb

Raise Time

15.2sec

Specifications

Engine specifications

Brand

2236

Model

3512C HD

Clear engine power

1348hp

Full engine power

1450hp

Revolutions Per Minute

1750rpm

Engine displacement

3573.6cu in

PTO Torque Rise (%)

23%

Cylinder bore is the diameter of each cylinder

6.7in

Stroke length engine

8.4in

Rated Power

1450hp

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 3512C HD

Functional specifications

Standart fuel tank capacities

500.1gal

Coolant system fluid capacity:

100.2gal

How much oil does a vehicle need:

53.9gal

Diff And Final Drive Fluid Capacity

115.2gal

Steering System Fluid Capacity

31gal

Brake/Hoist System Fluid Capacity

169.4gal

Hydraulic liquid capacity in hydraulic machinery

89.1gal

Wheel specs

33.00-51 50PR (E3 & E4)

Transmission specifications

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

259257lb

Loaded Weight

550000.4lb

Weight Distribution Front – Empty

46%

Weight Distribution Rear – Empty

55%

Weight Distribution Front – Loaded

33%

Weight Distribution Rear – Loaded

67%

Tires

Standard Tires

33.00-R51 (E3 & E4)

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

Steer Angle

36degrees

Turning Diameter – Front

97.7ft in

Machine Clearance Turning Diameter

108.9ft in

Minimum Target Payload

288000lb

Maximum Target Payload

314000lb

Target Payload – Dual Slope*

292000lb

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

The permissible axle loads front: – Target

33 %

The permissible axle loads rear: – Target

67 %

Empty truck front axle loads:*

45-46%

Empty truck rear axle loads:*

54-55%

Weights – Approximate

Body Weight Range

20 831 – 30 623 kg 45,924 – 67,512 lb

Gross Machine Operating Weight (Gmw)

550000lb

Minimum/Maximum Operating Chassis Weight Range (Ocw)

83 304 – 84 668 kg 183,654 – 186,661 lb

Minimum/Maximum Operating Chassis Weight Range Empty (Eomw)

106 218 – 117 597 kg 234,170 – 259,257 lb

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

Body – Dual Slope

Body Weight

49150lb

Heaped (Sae 2:1)

102yd3

Body – X

Body Weight

55468lb

Heaped (Sae 2:1)

111yd3