797F Mining Truck

Engine

Engine Model

Cat® C175-20

Gross Power - SAE J1995

4000 hp

Gross Power - SAE J1995

4000 hp

Engine Model

Cat® C175-20

Net Power - SAE J1349

3795 hp

Rated Speed

1750 r/min

Emissions

U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards.

Bore

6.9 in

Bore

6.9 in

Stroke

8.7 in

Stroke

8.7 in

Displacement

6469 in3

Displacement

6469 in³

Note

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

Note

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)

Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.

Note (2)

U.S. EPA Tier 4 Final available for applicable markets.

Note (3)

High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.

Note

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

Note

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

Emissions

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

Weights - Approximate

Rated Gross Machine Weight

1375000 lb

Chassis Weight

474472 lb

Body Weight

94799 lb

Note (1)

Consult your tire manufacturer for maximum tire load

Note (2)

Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.

Weights – Approximate

Target Gross Machine Operating Weight (GMW)

1375000 lb

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

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

Note

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

Note

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

Operating Specifications

Nominal Payload Capacity

400 tons

Steer Angle

40 Degrees

Top Speed – Loaded

42 mph

Heaped SAE (2:1) Capacity

240-267 m3 (314-350 yd3)

Machine Clearance Turning Diameter

138 ft

Turning Circle Clearance Diameter

138.0 ft

Weight Distributions - Approximate

Front Axle - Empty

47.20%

Rear Axle - Empty

52.80%

Front Axle - Loaded

33.30%

Rear Axle - Loaded

66.70%

Final Drives

Differential Ratio

1.276:1

Differential Ratio

1.276:1

Planetary Ratio

16.67:1

Planetary Ratio

16.67:1

Total Reduction Ratio

21.26:1

Total Reduction Ratio

21.26:1

Note

Double reduction, planetary with full floating axles.

Note

Double reduction, planetary with full floating axles.

Transmission

Forward 1

7.0 mph

Forward - 1

6.6 mile/h

Forward 2

9.5 mph

Forward - 2

8.9 mile/h

Forward 3

12.7 mph

Forward - 3

12 mile/h

Forward 4

17.2 mph

Forward - 4

16.2 mile/h

Forward 5

23.1 mph

Forward - 5

21.8 mile/h

Forward 6

31.2 mph

Forward - 6

29.4 mile/h

Forward 7

42.0 mph

Forward - 7

39.5 mile/h

Reverse

7.4 mph

Reverse

7.4 mile/h

Top Speed - Loaded

39.5 mile/h

Tires

Tires

59/80 R63

Note

Quick Change Rims optional.

Note (1)

Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.

Tire

59/80R63 – Michelin or Bridgestone

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.

Braking System

Service Brakes

Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated

Front Wet Disc Brake Surface Area

20500 in²

Rear - Wet Disc Brake Surface Area

30750 in²

Standards

Service and Secondary: ISO 3450:2011

Parking Brake

Four-corner, Multi-disc, Spring Applied, Hydraulically Released

Note

Anti-Lock Brake System (ABS) optional with CMD package

Suspension

Rear Axle Oscillation

±4.0 degrees

Effective Cylinder Stroke – Front

12.3 in

Effective Cylinder Stroke – Rear

6.5 in

Effective Cylinder Stroke - Front

3.9 in

Effective Cylinder Stroke - Rear

3.7 in

Rear axle - Oscillation

±3.96 degrees

Capacity - HP Body - 100% Fill Factor

Struck

225 yd³ / 172 m³

Heaped (SAE 2:1)*

330 yd³ / 252 m³

Note (1)

Consult your local Cat dealer for body recommendations.

Body Hoists

Pump Flow – High Idle

317.0 gal/min

Relief Valve Setting – Raise

3510.0 psi

Body Raise Time – High Idle

25.0 Seconds

High Idle Body Lower Time – Float

19.0 Seconds

Pump Flow - High Idle

317 gal/min

Relief Valve Setting - Raise

3510 psi

Body Raise Time - High Idle

25 s

Body Lower Time - Float

18 s

Body Power Down- High Idle

18 s

Brakes

Outside Diameter

42 in

Number of Discs per Side – Front

10

Number of Discs per Side – Rear

15

Brake Surface

51243 in2

Approximate Weights – MSD II

Front Axle – Empty

47.2%

Front Axle – Loaded

33.3%

Rear Axle – Empty

52.8%

Rear Axle – Loaded

66.7%

Weight Distributions – Approximate

Front Axle – Loaded

33.3%

Rear Axle – Loaded

66.7%

Front Axle – Empty

47.2%

Rear Axle – Empty

52.8%

Service Refill Capacities

Fuel Tank

1000 gal (US)

Diesel Exhaust Fluid Tank

100 gal (US)

Cooling System

306 gal (US)

Crankcase

103 gal (US)

Front Wheels - Each

16 gal (US)

Differentials

330 gal (US)

Steering Tank

67 gal (US)

Steering System - Including Tank

95 gal (US)

Brake/Hoist Tank

203 gal (US)

Brake Hoist System - Includes Tank

489 gal (US)

Torque Converter Sump

80 gal (US)

Torque Converter/Transmission System - Including Sump

166 gal (US)

Cooling System

306.0 gal

Crankcase

84.0 gal

Steering Tank

67.0 gal

Steering System (Includes Tank)

94.0 gal

Fuel Tank

1000 gal

Brake/Hoist Hydraulic Lines

219.0 gal

Brake/Hoist System (Includes Tank)

441.0 gal

Differentials

311.0 gal

Final Drives, Each

49.0 gal

Note (1)

DEF Tank only available for EPA Tier 4 engine option.

Cab

Air Conditioning

HFC - 134A refrigerant: 24,300 Btu/h

Note

Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.

FOPS Standards

FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 Level II

ROPS Standards (2)

ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012

Sound

Sound Standards (2)

Operator sound pressure level, 78 dB(A), is tested to ISO 6394:2008 and ISO 6396:2008

Sound Standards

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

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.

Steering

Steering Angle

40 °

Steering Standards

ISO 5010:2019

Turning Diameter - Front

122.7 ft

Note

Turning Diameter (ISO 7457:2009)

Steering Standards

ISO 5010:2007

Dimensions

Loading Height – Empty

23.0 ft

Inside Body Depth – Maximum

11.0 ft

Overall Height – Body Raised

51.5 ft

Engine Guard Clearance – Loaded

3.33 ft

Rear Axle Clearance – Loaded

3.08 ft

Overall Body Length

48.6 ft

Inside Body Length

32.75 ft

Overall Length

49.5 ft

Wheelbase

23.58 ft

Rear Axle to Tail

12.9 ft

Dump Clearance

6.58 ft

Centerline Front Tire Width

21.41 ft

Overall Canopy Width

29.91 ft

Outside Body Width

32.0 ft

Inside Body Width

27.91 ft

Centerline Rear Dual Tire Width

20.41 ft

Overall Tire Width

31.25 ft

Front Canopy Height - Empty

25.33 ft

Loaded Ground Clearance

2.58 ft

Height - Top of ROPS - Empty

21.4 ft

Rear Axle - Clearance - Loaded

3.08 ft

Inside Body Depth - Maximum

11 ft

Overall Height - Body Raised

51.5 ft

Loading Height - Empty

23 ft

Engine Guard Clearance - Loaded

3.33 ft

Overall Body Length

48.6 ft

Inside Body Length

32.75 ft

Overall Length

49.5 ft

Wheel Base

23.58 ft

Rear Axle - Tail

12.9 ft

Dump Clearance

6.58 ft

Centerline Front Tire Width

21.41 ft

Overall Canopy Width

29.91 ft

Outside Body Width

32 ft

Inside Body Width

27.91 ft

Centerline of Rear Dual Tire Width

20.41 ft

Overall Tire Width

31.25 ft

Capacity – MSD II – 100% Fill Factor

Note

Consult your local Cat dealer for truck body recommendations.

ROPS

FOPS Standards

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