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797F (Tier 4 Final)

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Overview

What will it take to boost your bottom line? Greater productivity thanks to a best-in-class payload? Superior braking that leads to confident, productive operators? Or a tough, rugged frame that delivers performance and long life no matter the conditions? With the Cat® 797F, you get all of this — and more. Today’s 797F is the most productive 363-tonne (400-ton) truck in the market. It’s fast, fuel efficient and delivers class-leading productivity, making it the industry benchmark for lower cost per ton in its size class. It hauls more every load, every cycle and every shift. And it delivers a better bottom line to the most important mine in the world: yours.

Engine

  • Engine Model Cat® C175-20 Cat® C175-20
  • Gross Power - SAE J1995 4000.0 HP 2983.0 kW
  • Gross Power - SAE J1995:2015 4000.0 HP 2983.0 kW
  • Net Power - SAE J1349:2011 3887.0 HP 2981.0 kW
  • Bore 6.9 in 175.0 mm
  • Stroke 8.7 in 220.0 mm
  • Displacement 6469.0 in³ 106.0 l
  • 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 (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).
  • 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

  • Target Gross Machine Operating Weight (GMW) 1375000.0 lb 623690.0 kg
  • 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)
  • 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 401.0 ton (US) 364.0 t
  • Heaped 2:1 Capacity - ISO 6483:1980 240-267 m³ (314-350 yd³) 240-267 m³ (314-350 yd³)
  • Heaped SAE (2:1) Capacity 240-267 m³ (314-350 yd³) 240-267 m³ (314-350 yd³)
  • Top Speed - Loaded 42.0 mile/h 67.6 km/h
  • Steer Angle 40.0 ° 40.0 °
  • Machine Clearance Turning Diameter 138.0 ft 42.0 m

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

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

Body Hoists

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

Brakes

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

Approximate Weights - HP Body

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

Approximate Weights - MSD II

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

Weight Distributions - Approximate

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

Capacity - 100% Fill Factor

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

Service Refill Capacities

  • Fuel Tank 1000.0 gal (US) 3785.0 l
  • DEF Tank 99.0 gal (US) 375.0 l
  • Cooling System 306.0 gal (US) 1160.0 l
  • Crankcase 84.0 gal (US) 319.0 l
  • Front Wheels - Each 16.0 gal (US) 61.0 l
  • Final Drive - Each 49.0 gal (US) 185.0 l
  • Differentials 311.0 gal (US) 1176.0 l
  • Steering Tank 67.0 gal (US) 254.0 l
  • Steering System - Including Tank 94.0 gal (US) 355.0 l
  • Brake/Hoist Hydraulic Lines 219.0 gal (US) 830.0 l
  • Brake Hoist System - Includes Tank 441.0 gal (US) 1600.0 l
  • Brake/Hoist Tank 203.0 gal (US) 770.0 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

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

Capacity - MSD II - 100% Fill Factor

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

Dimensions

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

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

  • Height to Top of ROPS - Empty 21.41 ft 6526.0 mm
  • Overall Body Length 51.13 ft 15583.0 mm
  • Inside Body Length 32.75 ft 9976.0 mm
  • Overall Length 51.13 ft 15583.0 mm
  • Wheelbase 23.61 ft 7195.0 mm
  • Rear Axle to Tail 12.94 ft 3944.0 mm
  • Loaded Ground Clearance 2.58 ft 786.0 mm
  • Dump Clearance 5.8 ft 1768.0 mm
  • Loading Height - Empty 22.25 ft 6786.0 mm
  • Inside Body Depth - Maximum 11.0 ft 3363.0 mm
  • Overall Height - Body Raised 50.8 ft 15485.0 mm
  • Centerline Front Tire Width 21.44 ft 6534.0 mm
  • Engine Guard Clearance - Loaded 3.36 ft 1025.0 mm
  • Outside Body Width 34.1 ft 10393.0 mm
  • Overall Canopy Width 34.1 ft 10393.0 mm
  • Inside Body Width 29.65 ft 9036.0 mm
  • Front Canopy Height - Empty 25.0 ft 7630.0 mm
  • Rear Axle Clearance - Loaded 3.11 ft 947.0 mm
  • Overall Tire Width 31.25 ft 9529.0 mm
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