797F (Tier 4)

Heavy Equipment

797F (Tier 4)

Nominal Payload Capacity
400 ton (US) / 363 ton (US)
Gross Power - SAE J1995
4000 HP / 2983 kW
Bore
6.9 in / 175 mm

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
Gross Power - SAE J1995 4000 HP / 2983 kW
Bore 6.9 in / 175 mm
Stroke 8.7 in / 220 mm
Displacement 6469 in³ / 106 l
Gross Power - SAE J1995:2015 4000 HP / 2983 kW
Net Power - SAE J1349:2011 3887 HP / 2981 kW
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).
Emissions 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.
Note (4) 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)
Chassis Weight Range 210 630-219 146 kg (464,359-483,134 lb)
Target Gross Machine Operating Weight (GMW) 1375000 lb / 623690 kg
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 Payload Capacity 400 ton (US) / 363 ton (US)
Steer Angle 40 °
Heaped 2:1 Capacity - ISO 6483:1980 240-267 m³ (314-350 yd³)
Heaped SAE (2:1) Capacity 240-267 m3 (314-350 yd3)
Machine Clearance Turning Diameter 138 ft / 42 m
Top Speed - Loaded 42 mile/h / 67.6 km/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.
Transmission
Forward - 1 7 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 mile/h / 67.6 km/h
Reverse 7.4 mile/h / 11.9 km/h
Suspension
Rear axle - Oscillation ±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 s
High Idle Body Lower Time - Float 19 s
Pump Flow - High Idle 317 gal/min / 1200 l/min
Relief Valve Setting - Raise 3510 psi / 24200 kPa
Brakes
Outside Diameter 42 in / 1067 mm
Standards ISO 3450:2011
Brake Surface 51243 in² / 330517 cm²
Number of Discs per Side - Front 10
Number of Discs per Side - Rear 15
Approximate Weights - MSD II
Front Axle - Empty 47.2%
Front Axle - Loaded 33.3%
Rear Axle - Empty 52.8%
Rear Axle - Loaded 66.7%
Weight Distributions - Approximate
Front Axle - Empty 47.2%
Front Axle - Loaded 33.3%
Rear Axle - Empty 52.8%
Rear Axle - Loaded 66.7%
Capacity - MSD II - 100% Fill Factor
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.
Service Refill Capacities
Cooling System 306 gal (US) / 1160 l
Crankcase 84 gal (US) / 319 l
Steering Tank 67 gal (US) / 254 l
Steering System - Including Tank 94 gal (US) / 355 l
Brake Hoist System - Includes Tank 441 gal (US) / 1600 l
Brake/Hoist Hydraulic Lines 219 gal (US) / 830 l
Brake/Hoist Tank 203 gal (US) / 770 l
DEF Tank 99 gal (US) / 375 l
Differentials 311 gal (US) / 1176 l
Final Drive - Each 49 gal (US) / 185 l
Front Wheels - Each 16 gal (US) / 61 l
Fuel Tank 1000 gal (US) / 3785 l
Torque Converter Sump 80 gal (US) / 303 l
Torque Converter/Transmission System - Including Sump 166 gal (US) / 629 l
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.
Dimensions
Engine Guard Clearance - Loaded 3.33 ft / 1025 mm
Front Canopy Height - Empty 25.33 ft / 7709 mm
Height - Top of ROPS - Empty 21.4 ft / 6526 mm
Inside Body Depth - Maximum 11 ft / 3363 mm
Loaded Ground Clearance 2.58 ft / 786 mm
Loading Height - Empty 23 ft / 6998 mm
Overall Height - Body Raised 51.5 ft / 15701 mm
Rear Axle - Clearance - Loaded 3.08 ft / 947 mm
Overall Body Length 48.6 ft / 14802 mm
Inside Body Length 32.75 ft / 9976 mm
Overall Length 49.5 ft / 15080 mm
Wheel Base 23.58 ft / 7195 mm
Rear Axle - Tail 12.9 ft / 3944 mm
Dump Clearance 6.58 ft / 2017 mm
Centerline Front Tire Width 21.41 ft / 6534 mm
Overall Canopy Width 29.91 ft / 9116 mm
Outside Body Width 32 ft / 9755 mm
Inside Body Width 27.91 ft / 8513 mm
Centerline of Rear Dual Tire Width 20.41 ft / 6233 mm
Overall Tire Width 31.25 ft / 9529 mm
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
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
Heaped 2:1 Capacity - ISO 6483:1980 240-267 m³ (314-350 yd³)
Note Consult your local Cat dealer for truck body recommendations.
Struck 188-213 m³ (246-290 yd³)
Dimensions (All dimensions are approximate. Dimensions are with body 507-1580.)
Centerline Front Tire Width 21.44 ft / 6534 mm
Centerline Rear Dual Tire Width 20.45 ft /  
Centerline Rear Dual Tire Width   / 6233 mm
Dump Clearance 5.8 ft / 1768 mm
Engine Guard Clearance - Loaded 3.36 ft / 1025 mm
Front Canopy Height - Empty 25 ft / 7630 mm
Height to Top of ROPS - Empty 21.41 ft / 6526 mm
Inside Body Depth - Maximum 11 ft / 3363 mm
Inside Body Length 32.75 ft / 9976 mm
Inside Body Width 29.65 ft / 9036 mm
Loaded Ground Clearance 2.58 ft / 786 mm
Loading Height - Empty 22.25 ft / 6786 mm
Outside Body Width 34.1 ft / 10393 mm
Overall Body Length 51.13 ft / 15583 mm
Overall Canopy Width 34.1 ft / 10393 mm
Overall Height - Body Raised 50.8 ft / 15485 mm
Overall Length 51.13 ft / 15583 mm
Overall Tire Width 31.25 ft / 9529 mm
Rear Axle Clearance - Loaded 3.11 ft / 947 mm
Rear Axle to Tail 12.94 ft / 3944 mm
Wheelbase 23.61 ft / 7195 mm
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