797F Mining Truck

Request a Free Quote
Download Brochure
Available to Rent View Related Used Equipment

Whether you’re hauling copper, coal, gold, iron ore or overburden the 797F provides you with the best in class cost per unit of production. Including the improvements in safety, productivity, serviceability and comfort you will see why the 797F is the industry leader of its class. Combine these features with unmatched dealer support and you will see why more mine sites choose Cat Mining Trucks for their production needs.

Weights Approximate

Nominal Rated Payload
401 ton (US)

Engine

Engine Model
Cat® C175-20
Gross Power - SAE J1995
4000 HP
Gross Power - SAE J1995:2015
4000 HP
Net Power - SAE J1349:2011
3887 HP
Bore
6.9 in
Stroke
8.7 in
Displacement
6469 in³
Emissions
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
Note (1)
Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.
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 (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.

Weights - Approximate

Rated Gross Machine Weight
1375000 lb
Body Weight Range
41 368-61 235 kg (91,200-135,000 lb)
Chassis Weight
486263 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.

Brakes

Number of Discs per Side - Front
10
Number of Discs per Side - Rear
15
Brake Surface
51243 in²
Standards
ISO 3450:2011

Steering

Steer Angle
40 °
Steering Standards
ISO 5010:2007

Dimensions

Overall Length
49.5 ft
Loading Height - Empty
23 ft
Inside Body Depth - Maximum
11 ft
Overall Body Length
48.6 ft
Height - Top of ROPS - Empty
21.4 ft
Rear Axle - Tail
12.9 ft
Dump Clearance
6.58 ft
Inside Body Length
32.75 ft
Wheel Base
23.58 ft
Engine Guard Clearance - Loaded
3.33 ft
Inside Body Width
27.91 ft
Centerline of Rear Dual Tire Width
20.41 ft
Overall Tire Width
31.25 ft
Front Canopy Height - Empty
25.33 ft
Overall Canopy Width
29.91 ft
Loaded Ground Clearance
2.58 ft
Rear Axle - Clearance - Loaded
3.08 ft
Outside Body Width
32 ft
Centerline Front Tire Width
21.41 ft
Overall Height - Body Raised
51.5 ft

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.

Service Refill Capacities

Fuel Tank
1000 gal (US)
DEF Tank
99 gal (US)
Cooling System
306 gal (US)
Crankcase
84 gal (US)
Front Wheels - Each
16 gal (US)
Final Drive - Each
49 gal (US)
Differentials
311 gal (US)
Steering Tank
67 gal (US)
Steering System - Including Tank
94 gal (US)
Brake/Hoist Hydraulic Lines
219 gal (US)
Brake Hoist System - Includes Tank
441 gal (US)
Brake/Hoist Tank
203 gal (US)
Torque Converter Sump
80 gal (US)
Torque Converter/Transmission System - Including Sump
166 gal (US)

Capacity - 100% Fill Factor

Struck
188-213 m³ (246-290 yd³)
Heaped 2:1 Capacity - ISO 6483:1980
240-267 m³ (314-350 yd³)
Note
Consult your local Cat dealer for truck body recommendations.

Weight Distributions - Approximate

Front Axle - Empty
47.20%
Rear Axle - Empty
52.80%
Front Axle - Loaded
33.30%
Rear Axle - Loaded
66.70%

Approximate Weights - MSD II

Front Axle - Empty
47.20%
Front Axle - Loaded
33.30%
Rear Axle - Empty
52.80%
Rear Axle - Loaded
66.70%

Body Hoists

Pump Flow - High Idle
317 gal/min
Relief Valve Setting - Raise
3510 psi
Body Raise Time - High Idle
25 s
High Idle Body Lower Time - Float
19 s

Suspension

Effective Cylinder Stroke - Front
12.3 in
Effective Cylinder Stroke - Rear
6.5 in
Rear axle - Oscillation
±4.0 degrees

Approximate Weights - HP Body

Front Axle - Empty
47.20%
Front Axle - Loaded
33.30%
Rear Axle - Empty
52.80%
Rear Axle - Loaded
66.70%

Dimensions (All dimensions are approximate. Dimensions are with body 507-1580.)

Height to Top of ROPS - Empty
21.41 ft
Overall Body Length
51.13 ft
Inside Body Length
32.75 ft
Overall Length
51.13 ft
Wheelbase
23.61 ft
Rear Axle to Tail
12.94 ft
Loaded Ground Clearance
2.58 ft
Dump Clearance
5.8 ft
Loading Height - Empty
22.25 ft
Inside Body Depth - Maximum
11 ft
Overall Height - Body Raised
50.8 ft
Centerline Front Tire Width
21.44 ft
Engine Guard Clearance - Loaded
3.36 ft
Outside Body Width
34.1 ft
Overall Canopy Width
34.1 ft
Inside Body Width
29.65 ft
Front Canopy Height - Empty
25 ft
Rear Axle Clearance - Loaded
3.11 ft
Overall Tire Width
31.25 ft

Braking System

Outside Diameter
42 in

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.

Transmission

Forward - 1
7 mile/h
Forward - 2
9.5 mile/h
Forward - 3
12.7 mile/h
Forward - 4
17.2 mile/h
Forward - 5
23.1 mile/h
Forward - 6
31.2 mile/h
Forward - 7
42 mile/h
Reverse
7.4 mile/h
Top Speed - Loaded
42 mile/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.

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

Tires
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.