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 | |
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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 |
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 | |
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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 | |
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Nominal Payload Capacity | 400 ton (US) / 363 ton (US) |
Steer Angle | 40 ° |
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 | |
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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 | |
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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 | |
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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 | |
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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 | |
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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 | |
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Front Axle - Empty | 47.2% |
Front Axle - Loaded | 33.3% |
Rear Axle - Empty | 52.8% |
Rear Axle - Loaded | 66.7% |
Weight Distributions - Approximate | |
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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 | |
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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 | |
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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 |
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 | |
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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 | |
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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 | |
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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 | |
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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 | |
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Steering Standards | ISO 5010:2007 |
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