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.
Gross Power - SAE J1995 | 4000 HP |
Engine Model | Cat® C175-20 |
Net Power - SAE J1349 | 3795 HP |
Rated Speed | 1750 r/min |
Emissions | U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards. |
Bore | 6.9 in |
Stroke | 8.7 in |
Displacement | 6469 in³ |
Note (1) | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. |
Note (2) | U.S. EPA Tier 4 Final available for applicable markets. |
Note (3) | High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. |
Nominal Rated Payload | 401 ton (US) |
Rated Gross Machine Weight | 1375000 lb |
Chassis Weight | 474472 lb |
Body Weight | 94799 lb |
Note (1) | Consult your tire manufacturer for maximum tire load |
Note (2) | Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. |
Note (4) | Tier 4 Chassis Weight: 486263 lb (220565 kg) |
Front Axle - Empty | 47.2% |
Rear Axle - Empty | 52.8% |
Front Axle - Loaded | 33.3% |
Rear Axle - Loaded | 66.7% |
Note | Weight distributions optimized with Cat body. |
Type | Double reduction, planetary with full floating axles. |
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 | 6.6 mile/h |
Forward - 2 | 8.9 mile/h |
Forward - 3 | 12 mile/h |
Forward - 4 | 16.2 mile/h |
Forward - 5 | 21.8 mile/h |
Forward - 6 | 29.4 mile/h |
Forward - 7 | 39.5 mile/h |
Reverse | 7.4 mile/h |
Top Speed - Loaded | 39.5 mile/h |
Tires | 59/80 R63 |
Rims | 44" x 63" |
Note | Quick Change Rims optional. |
Note (1) | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
Service Brakes | Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
Front Wet Disc Brake Surface Area | 20500 in² |
Rear - Wet Disc Brake Surface Area | 30750 in² |
Standards | Service and Secondary: ISO 3450:2011 |
Parking Brake | Four-corner, Multi-disc, Spring Applied, Hydraulically Released |
Load Brake | Rear service brakes |
Note | Anti-Lock Brake System (ABS) optional with CMD package |
Struck | 225 yd³ / 172 m³ |
Heaped (SAE 2:1)* | 330 yd³ / 252 m³ |
Note (1) | Consult your local Cat dealer for body recommendations. |
Type | Twin, two-stage hydraulic cylinders with snubbing valve. |
Pump Flow - High Idle | 317 gal/min |
Relief Valve Setting - Raise | 3510 psi |
Body Raise Time - High Idle | 25 s |
Body Lower Time - Float | 18 s |
Body Power Down- High Idle | 18 s |
Type | Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments |
Effective Cylinder Stroke - Front | 3.9 in |
Effective Cylinder Stroke - Rear | 3.7 in |
Rear axle - Oscillation | ±3.96 degrees |
Fuel Tank | 1000 gal (US) |
Fuel Tank (Tier 4) | 1200 gal (US) |
Diesel Exhaust Fluid Tank | 100 gal (US) |
Cooling System | 306 gal (US) |
Crankcase | 103 gal (US) |
Front Wheels - Each | 16 gal (US) |
Differentials | 330 gal (US) |
Steering Tank | 67 gal (US) |
Steering System - Including Tank | 95 gal (US) |
Brake/Hoist Tank | 203 gal (US) |
Brake Hoist System - Includes Tank | 489 gal (US) |
Torque Converter Sump | 80 gal (US) |
Torque Converter/Transmission System - Including Sump | 166 gal (US) |
Note (1) | DEF Tank only available for EPA Tier 4 engine option. |
Air Conditioning | HFC - 134A refrigerant: 24,300 Btu/h |
Heater / Defroster | 38900 Btu/h |
Note | Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. |
ROPS Standards (1) | The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008. |
ROPS Standards (2) | ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria. |
FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria. |
Steering Angle | 40 ° |
Turning Diameter - Front | 122.7 ft |
Steering Standards | ISO 5010:2007 |
Note | Turning Diameter (ISO 7457:2009) |
Rear Axle - Clearance - Loaded | 3.08 ft |
Inside Body Depth - Maximum | 11 ft |
Overall Height - Body Raised | 51.5 ft |
Loaded Ground Clearance | 2.58 ft |
Loading Height - Empty | 23 ft |
Engine Guard Clearance - Loaded | 3.33 ft |
Height - Top of ROPS - Empty | 21.4 ft |
Front Canopy Height - Empty | 25.33 ft |
Overall Body Length | 48.6 ft |
Inside Body Length | 32.75 ft |
Overall Length | 49.5 ft |
Wheel Base | 23.58 ft |
Rear Axle - 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 ft |
Inside Body Width | 27.91 ft |
Centerline of Rear Dual Tire Width | 20.41 ft |
Overall Tire Width | 31.25 ft |