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797F

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Overview

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.

Engine

  • Engine Model Cat® C175-20 Cat® C175-20
  • Gross Power - SAE J1995 4000.0 HP 2983.0 kW
  • Bore 6.9 in 175.0 mm
  • Stroke 8.7 in 220.0 mm
  • Displacement 6469.0 in³ 106.0 l
  • Note (1) Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard. 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). 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).
  • Emissions U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards. U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
  • Note (3) No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude. 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. No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.

Weights - Approximate

  • Body Weight Range 41 368-61 235 kg (91,200-135,000 lb) 41 368-61 235 kg (91,200-135,000 lb)
  • Chassis Weight Range 210 630-219 146 kg (464,359-483,134 lb) 210 630-219 146 kg (464,359-483,134 lb)
  • Target Gross Machine Operating Weight (GMW) 1375000.0 lb 623690.0 kg
  • Note (1) Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations. 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. 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. Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.

Operating Specifications

  • Nominal Payload Capacity 400.0 ton (US) 363.0 t
  • Steer Angle 40.0 ° 40.0 °
  • Heaped SAE (2:1) Capacity 240-267 m3 (314-350 yd3) 240-267 m3 (314-350 yd3)
  • Machine Clearance Turning Diameter 138.0 ft 42.0 m
  • Top Speed - Loaded 42.0 mile/h 67.6 km/h

Final Drives

  • Differential Ratio 1.276:1 1.276:1
  • Planetary Ratio 16.67:1 16.67:1
  • Total Reduction Ratio 21.26:1 21.26:1
  • Note Double reduction, planetary with full floating axles. Double reduction, planetary with full floating axles.

Transmission

  • Forward - 1 7.0 mile/h 11.3 km/h
  • Forward - 2 9.5 mile/h 15.2 km/h
  • Forward - 3 12.7 mile/h 20.5 km/h
  • Forward - 4 17.2 mile/h 27.7 km/h
  • Forward - 5 23.1 mile/h 37.2 km/h
  • Forward - 6 31.2 mile/h 50.3 km/h
  • Forward - 7 42.0 mile/h 67.6 km/h
  • Reverse 7.4 mile/h 11.9 km/h

Suspension

  • Rear axle - Oscillation ±4.0 degrees ±4.0 degrees
  • Effective Cylinder Stroke - Front 12.3 in 313.6 mm
  • Effective Cylinder Stroke - Rear 6.5 in 165.1 mm

Body Hoists

  • Body Raise Time - High Idle 25.0 s 25.0 s
  • High Idle Body Lower Time - Float 19.0 s 19.0 s
  • Pump Flow - High Idle 317.0 gal/min 1200.0 l/min
  • Relief Valve Setting - Raise 3510.0 psi 24200.0 kPa

Brakes

  • Outside Diameter 42.0 in 1067.0 mm
  • Standards ISO 3450:2011 ISO 3450:2011
  • Brake Surface 51243.0 in² 330517.0 cm²
  • Number of Discs per Side - Front 10 10
  • Number of Discs per Side - Rear 15 15

Approximate Weights - MSD II

  • Front Axle - Empty 47.2% 47.2%
  • Front Axle - Loaded 33.3% 33.3%
  • Rear Axle - Empty 52.8% 52.8%
  • Rear Axle - Loaded 66.7% 66.7%

Weight Distributions - Approximate

  • Front Axle - Empty 47.2% 47.2%
  • Front Axle - Loaded 33.3% 33.3%
  • Rear Axle - Empty 52.8% 52.8%
  • Rear Axle - Loaded 66.7% 66.7%

Capacity - MSD II - 100% Fill Factor

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

Service Refill Capacities

  • Cooling System 306.0 gal (US) 1160.0 l
  • Crankcase 84.0 gal (US) 319.0 l
  • Steering Tank 67.0 gal (US) 254.0 l
  • Steering System - Including Tank 94.0 gal (US) 355.0 l
  • Brake Hoist System - Includes Tank 441.0 gal (US) 1600.0 l
  • Brake/Hoist Hydraulic Lines 219.0 gal (US) 830.0 l
  • Brake/Hoist Tank 203.0 gal (US) 770.0 l
  • Differentials 311.0 gal (US) 1176.0 l
  • Final Drive - Each 49.0 gal (US) 185.0 l
  • Front Wheels - Each 16.0 gal (US) 61.0 l
  • Fuel Tank 1000.0 gal (US) 3785.0 l
  • Torque Converter Sump 80.0 gal (US) 303.0 l
  • Torque Converter/Transmission System - Including Sump 166.0 gal (US) 629.0 l

Tires

  • 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. 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.
  • Tires 59/80R63 – Michelin or Bridgestone 59/80R63 – Michelin or Bridgestone

Dimensions

  • Engine Guard Clearance - Loaded 3.33 ft 1025.0 mm
  • Front Canopy Height - Empty 25.33 ft 7709.0 mm
  • Height - Top of ROPS - Empty 21.4 ft 6526.0 mm
  • Inside Body Depth - Maximum 11.0 ft 3363.0 mm
  • Loaded Ground Clearance 2.58 ft 786.0 mm
  • Loading Height - Empty 23.0 ft 6998.0 mm
  • Overall Height - Body Raised 51.5 ft 15701.0 mm
  • Rear Axle - Clearance - Loaded 3.08 ft 947.0 mm
  • Overall Body Length 48.6 ft 14802.0 mm
  • Inside Body Length 32.75 ft 9976.0 mm
  • Overall Length 49.5 ft 15080.0 mm
  • Wheel Base 23.58 ft 7195.0 mm
  • Rear Axle - Tail 12.9 ft 3944.0 mm
  • Dump Clearance 6.58 ft 2017.0 mm
  • Centerline Front Tire Width 21.41 ft 6534.0 mm
  • Overall Canopy Width 29.91 ft 9116.0 mm
  • Outside Body Width 32.0 ft 9755.0 mm
  • Inside Body Width 27.91 ft 8513.0 mm
  • Centerline of Rear Dual Tire Width 20.41 ft 6233.0 mm
  • Overall Tire Width 31.25 ft 9529.0 mm

ROPS

  • ROPS Standards ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. 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. 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. 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. 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 ISO 5010:2007
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