797F Mining Truck

797F Mining Truck

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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, ...
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Operating Specifications

Nominal Rated Payload
401ton (US)
Heaped SAE (2:1) Capacity
240-267 m³ (314-350 yd³)
Top Speed - Loaded
42mile/h
Steer Angle
40°
Machine Clearance Turning Diameter
138ft

Engine

Engine Model
Cat® C175-20
Gross Power - SAE J1995
4000HP
Gross Power - SAE J1995:2015
4000HP
Net Power - SAE J1349:2011
3887HP
Bore
6.9in
Stroke
8.7in
Displacement
6469in³
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
1375000lb
Body Weight Range
41 368-61 235 kg (91,200-135,000 lb)
Chassis Weight
486263lb
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
Outside Diameter
42in
Brake Surface
51243in²
Standards
ISO 3450:2011

Approximate Weights - HP Body

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

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.

Suspension

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

Body Hoists

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

Approximate Weights - MSD II

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

Weight Distributions - Approximate

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

Service Refill Capacities

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

Dimensions

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

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.

Steering

Steering Standards
ISO 5010:2007

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

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

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
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.

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.

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.

Standard Equipment: