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Caterpillar 797B Mining Truck
December 12, 2007

The Caterpillar 797B Mining Truck is engineered for performance, designed for comfort, and built to last. Developed specifically for high production mining and construction applications, the 797B Mining Truck keeps material moving at high volume to lower your cost-per-ton. Rugged construction creates a durable machine. Easy maintenance procedures ensure high reliability and long life with low operating costs.

 

 

 

 

 

 

 

 

 

 

Engine

Units:  US

Net Power

3369.99 hp

2513 kW

Net Power – SAE J1349

3370 hp

2513 kW

Rated Power

1750 RPM

1750 RPM

Engine Model

Cat® 3524B HD EUI

Cat® 3524B HD EUI

Net Power – Cat

3369.99 hp

2513 kW

Net Power – ISO 9249

3369.99 hp

2513 kW

Net Power – 80/1269/EEC

3369.99 hp

2513 kW

Torque Rise

22 %

22 %

Bore

6.7 in

170 mm

Stroke

8.5 in

215 mm

Displacement

7143 in3

117.1 L

Gross Power – SAE J1995

3550 hp

2648 kW

Operating Specifications

Nominal Payload Capacity

380 tons

345 tonnes

Top Speed – Loaded

42 mph

67.6 km/h

Nominal Payload Capacity

339.55 tons

345 tonnes

Maximum Capacity

Custom

Custom

Steer Angle

39 Degrees

39 Degrees

Turning Radius – Front

130.91 ft

39.9 m

Raise Time

25 Seconds

25 Seconds

Lower Time

18.5 Seconds

18.5 Seconds

Turning Circle Clearance Diameter

132.87 ft

40.5 m

Weights – Approximate

Gross Machine Operating Weight

1375000 lb

623690 kg

Chassis Weight

473600 lb

214820 kg

Body Weight Range

38 000 – 63 000 kg (84,000 – 140,000 lbs)

38 000 – 63 000 kg (84,000 – 140,000 lbs)

Transmission

Forward 1

7 mph

11.3 km/h

Forward 2

9.5 mph

15.2 km/h

Forward 3

12.7 mph

20.5 km/h

Forward 4

17.2 mph

27.7 km/h

Forward 5

23.1 mph

37.2 km/h

Forward 6

31.2 mph

50.3 km/h

Forward 7

42 mph

67.6 km/h

Reverse

8 mph

12.9 km/h

Final Drives

Differential Ratio

1.265:1

1.265:1

Planetary Ratio

16.67:1

16.67:1

Total Reduction Ratio

21.09:1

21.09:1

Brakes

Brake Surface – Front

20500.03 in2

132258 cm2

Brake Surface – Rear

30750.04 in2

198387 cm2

Standards

J-ISO 3450 JAN88, ISO 3450-1996

J-ISO 3450 JAN88, ISO 3450-1996

Body Hoists

Pump Flow – High Idle

323 gal/min

1225 L/min

Pump Flow – Low Idle

290 gal/min

1099 L/min

Relief Valve Setting – Raise

3450 psi

23787 kPa

Body Raise Time – High Idle

25 Seconds

25 Seconds

Body Raise Time – Low Idle

25 Seconds

25 Seconds

Body Lower Time – High Idle

18.5 Seconds

18.5 Seconds

Body Lower Time – Low Idle

18.5 Seconds

18.5 Seconds

Body Lower Time – Float

18.5 Seconds

18.5 Seconds

Body Power Down – High Idle

17.3 Seconds

17.3 Seconds

Body Power Down – Low Idle

18.1 Seconds

18.1 Seconds

Service Refill Capacities

Fuel Tank

1800 gal

6814 L

Cooling System

315 gal

1194 L

Crankcase

110 gal

417 L

Differentials and Final Drives

185.18 gal

701 L

Steering Tank

62 gal

235 L

Steering System (Includes Tank)

114 gal

432 L

Brake/Hoist Hydraulic Tank

263 gal

996 L

Brake/Hoist System (Includes Tank)

486 gal

1842 L

Torque Converter/Transmission Sump

50 gal

190 L

Torque Converter/Transmission System (Includes Sump)

166 gal

629 L

Dimensions

Height to Top of ROPS – Full

20.84 ft

6351 mm

Height to Top of ROPS – Empty

21.49 ft

6549 mm

Overall Body Length

47.67 ft

14530 mm

Inside Body Length

32.61 ft

9941 mm

Overall Length

47.67 ft

14530 mm

Wheelbase

23.62 ft

7200 mm

Rear Axle to Tail

13.18 ft

4016 mm

Ground Clearance – Full

2.85 ft

869 mm

Ground Clearance – Empty

3.47 ft

1059 mm

Dump Clearance

6.17 ft

1885 mm

Loading Height – Empty

23.24 ft

7083 mm

Inside Body Depth – Max

10.99 ft

3350 mm

Overall Height – Body Raised

50.17 ft

15292 mm

Operating Width

30.03 ft

9154 mm

Centerline Front Tire Width

21.36 ft

6512 mm

Engine Guard Clearance – Full

3.02 ft

919 mm

Engine Guard Clearance – Empty

3.68 ft

1122 mm

Overall Canopy Width

30.03 ft

9154 mm

Outside Body Width

27.97 ft

8524 mm

Inside Body Width

26.25 ft

8000 mm

Front Canopy Height

24.88 ft

7584 mm

Rear Axle Clearance

3.08 ft

951 mm

Rear Axle Clearance – Full

3.12 ft

951 mm

Rear Axle Clearance – Empty

3.43 ft

1046 mm

Centerline Rear Dual Tire Width

20.42 ft

6233 mm

Overall Tire Width – Full

32.02 ft

9761 mm

ROPS

ROPS Standards

.SAE J1040 APR88, SAE J231 Jan81 ISO 3471-1994, ISO 3449-1992 Level II

.SAE J1040 APR88, SAE J231 Jan81 ISO 3471-1994, ISO 3449-1992 Level II

Sound

Sound Standards

.ANSI/SAE J1166 MAY90, ANSI/SAE J88 JUN86

.ANSI/SAE J1166 MAY90, ANSI/SAE J88 JUN86

Steering

Steering Standards

SAE J1511 OCT90, ISO 5010-1984

SAE J1511 OCT90, ISO 5010-1984

Tires

Standard Tire

59/80R63

59/80R63

Weight Distributions – Approximate

Front Axle – Empty

43.5 %

43.5 %

Rear Axle – Empty

56.5 %

56.5 %

Front Axle – Loaded

33.3 %

33.3 %

Rear Axle – Loaded

66.7 %