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.
- Technical Specs
- Engine Model
- Cat® C175-20
- Gross Power - SAE J1995
- 4000 hp
- Bore
- 6.9 in
- Stroke
- 8.7 in
- 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
- 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.
- 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.
- 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
- Differential Ratio
- 1.276:1
- Planetary Ratio
- 16.67:1
- Total Reduction Ratio
- 21.26:1
- Note
- Double reduction, planetary with full floating axles.
- Forward 1
- 7.0 mph
- Forward 2
- 9.5 mph
- Forward 3
- 12.7 mph
- Forward 4
- 17.2 mph
- Forward 5
- 23.1 mph
- Forward 6
- 31.2 mph
- Forward 7
- 42.0 mph
- Reverse
- 7.4 mph
- Rear Axle Oscillation
- ±4.0 degrees
- Effective Cylinder Stroke – Front
- 12.3 in
- Effective Cylinder Stroke – Rear
- 6.5 in
- 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
- Outside Diameter
- 42 in
- Standards
- ISO 3450:2011
- Number of Discs per Side – Front
- 10
- Number of Discs per Side – Rear
- 15
- Brake Surface
- 51243 in2
- Front Axle – Empty
- 47.2%
- Front Axle – Loaded
- 33.3%
- Rear Axle – Empty
- 52.8%
- Rear Axle – Loaded
- 66.7%
- Front Axle – Loaded
- 33.3%
- Rear Axle – Loaded
- 66.7%
- Front Axle – Empty
- 47.2%
- Rear Axle – Empty
- 52.8%
- Heaped (SAE 2:1)
- 240-267 m3 (314-350 yd3)
- Struck
- 188-213 m3 (246-290 yd3)
- Note
- Consult your local Cat dealer for truck body recommendations.
- 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
- Brake/Hoist Tank
- 203.0 gal
- Differentials
- 311.0 gal
- Final Drives, Each
- 49.0 gal
- Front Wheels, Each
- 16.0 gal
- Torque Converter Sump
- 80.0 gal
- Torque Converter/Transmission System (Includes Sump)
- 166.0 gal
- 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.
- Front Canopy Height – Empty
- 25.33 ft
- Loaded Ground Clearance
- 2.58 ft
- Height to Top of ROPS – Empty
- 21.4 ft
- 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
- 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 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 Standards
- ISO 5010:2007