797F Mining Truck

Operating Specifications

Nominal Payload Capacity

400ton (US)

Steer Angle

40°

Top Speed - Loaded

42mile/h

Heaped SAE (2:1) Capacity

240-267 m3 (314-350 yd3)

Machine Clearance Turning Diameter

138ft

Engine

Engine Model

Cat® C175-20

Gross Power - SAE J1995

4000HP

Bore

6.9in

Stroke

8.7in

Displacement

6469in³

Note (2)

Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 99 kPa (29.32 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (69° F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) when engine is used at 30° C (38° F).

Note (1)

Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.

Emissions

U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.

Note (3)

No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude.

Note (4)

No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.

Transmission

Forward - 1

7mile/h

Forward - 2

9.5mile/h

Forward - 3

12.7mile/h

Forward - 4

17.2mile/h

Forward - 5

23.1mile/h

Forward - 6

31.2mile/h

Forward - 7

42mile/h

Reverse

7.4mile/h

Final Drives

Differential Ratio

1.276:1

Planetary Ratio

16.67:1

Total Reduction Ratio

21.26:1

Note

Double reduction, planetary with full floating axles.

Suspension

Rear axle - Oscillation

±4.0 degrees

Effective Cylinder Stroke - Rear

6.5in

Effective Cylinder Stroke - Front

12.3in

Brakes

Outside Diameter

42in

Standards

ISO 3450:2011

Number of Discs per Side - Rear

15

Number of Discs per Side - Front

10

Brake Surface

51243in²

Service Refill Capacities

Cooling System

306gal (US)

Crankcase

84gal (US)

Steering Tank

67gal (US)

Steering System - Including Tank

94gal (US)

Fuel Tank

1000gal (US)

Final Drive - Each

49gal (US)

Differentials

311gal (US)

Brake Hoist System - Includes Tank

441gal (US)

Brake/Hoist Hydraulic Lines

219gal (US)

Brake/Hoist Tank

203gal (US)

Front Wheels - Each

16gal (US)

Torque Converter Sump

80gal (US)

Torque Converter/Transmission System - Including Sump

166gal (US)

Capacity - MSD II - 100% Fill Factor

Struck

188-213 m3 (246-290 yd3)

Heaped (SAE 2:1)

240-267 m3 (314-350 yd3)

Note

Consult your local Cat dealer for truck body recommendations.

Weight Distributions - Approximate

Rear Axle - Loaded

66.7%

Rear Axle - Empty

52.8%

Front Axle - Loaded

33.3%

Front Axle - Empty

47.2%

Approximate Weights - MSD II

Rear Axle - Loaded

66.7%

Rear Axle - Empty

52.8%

Front Axle - Loaded

33.3%

Front Axle - Empty

47.2%

Body Hoists

Relief Valve Setting - Raise

3510psi

Pump Flow - High Idle

317gal/min

Body Raise Time - High Idle

25s

High Idle Body Lower Time - Float

19s

Weights - Approximate

Target Gross Machine Operating Weight (GMW)

1375000lb

Body Weight Range

41 368-61 235 kg (91,200-135,000 lb)

Chassis Weight Range

210 630-219 146 kg (464,359-483,134 lb)

Note (1)

Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations.

Note (2)

Body weight varies depending on body and liner configuration. Weight range for known applications.

Note (3)

Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.

Dimensions

Front Canopy Height - Empty

25.33ft

Loaded Ground Clearance

2.58ft

Height - Top of ROPS - Empty

21.4ft

Engine Guard Clearance - Loaded

3.33ft

Inside Body Depth - Maximum

11ft

Loading Height - Empty

23ft

Overall Height - Body Raised

51.5ft

Rear Axle - Clearance - Loaded

3.08ft

Overall Body Length

48.6ft

Inside Body Length

32.75ft

Overall Length

49.5ft

Wheel Base

23.58ft

Rear Axle - Tail

12.9ft

Dump Clearance

6.58ft

Centerline Front Tire Width

21.41ft

Overall Canopy Width

29.91ft

Outside Body Width

32ft

Inside Body Width

27.91ft

Centerline of Rear Dual Tire Width

20.41ft

Overall Tire Width

31.25ft

ROPS

ROPS Standards

ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

FOPS Standards

FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

Sound

Sound Standards (1)

The operator sound pressure level measured according to work cycle procedures specified in ISO 6394:2008 and 6396:2008 is 76 dB(A) for cab offered by Caterpillar when properly installed and maintained and tested with doors and windows closed.

Sound Standards (2)

Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.

Tires

Note

Productive capabilities of the 797F are such that, under certain job conditions, TKPH (TMPH) capabilities of standard tires could be exceeded and, therefore, limit production.

Tires

59/80R63 – Michelin or Bridgestone

Steering

Steering Standards

ISO 5010:2007