New CAT Equipment

797F Mining Truck

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.

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    Learn more about the 797F Mining Truck

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    Product Specs

    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.

    Operating Specifications

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

    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.

    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

    Suspension

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

    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

    Brakes

    Number of Discs per Side - Front 10
    Number of Discs per Side - Rear 15
    Outside Diameter 42 in
    Brake Surface 51243 in²
    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%

    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%

    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.

    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)

    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.

    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.

    Steering

    Steering Standards ISO 5010:2007

    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.

    Dimensions

    Inside Body Depth - Maximum 11 ft
    Loading Height - Empty 23 ft
    Overall Length 49.5 ft
    Height - Top of ROPS - Empty 21.4 ft
    Overall Body Length 48.6 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
    Centerline of Rear Dual Tire Width 20.41 ft
    Inside Body Width 27.91 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

    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