Caterpillar 797F Off-Highway Truck Specs

Category: Off-Highway Trucks ➔
Manufacturer: Caterpillar ➔
Model: 797F ➔

The Cat 797F is a mining truck manufactured by Caterpillar Inc. It is part of the 797 series, which is known for its massive size and impressive hauling capabilities at 400 tons. The 797F features a gross vehicle weight of over 690,000 pounds, making it one of the largest trucks in the world. It is powered by a powerful Cat C175-20 engine, which provides 2,300 horsepower and 13,500 lb-ft of torque, allowing it to easily navigate challenging terrain and haul massive loads.

In addition to its impressive size and power, the Cat 797F also boasts advanced technology and safety features. It is equipped with a state-of-the-art operator cab, which provides a comfortable and safe work environment for the driver. The truck also has advanced sensors and monitoring systems, which provide real-time information on the truck's performance and help prevent potential problems. Overall, the Cat 797F is a reliable and powerful mining truck that is designed to handle the toughest mining conditions.

General Specifications

Caterpillar 797F Off-Highway Truck General Specifications specifications
Articulated/Rigid	Rigid - Starting 2024
Drive Configuration	2WD - Starting 2019
Engine Type	Cat C175-20 - Starting 2019
Mfg. Model	797F - Starting 2019
Operating Weight	1,375,000.00 lbs (623,690.28 kg) - Starting 2019
Planetary Powershift Transmission	Auto - Starting 2019
Rated Payload	363.00 t (363,000.00 kg) - Starting 2019

Body Hoists

Caterpillar 797F Off-Highway Truck Body Hoists specifications
Body Lower Time - Float	18 s - Starting 2026
Body Power Down- High Idle	18 s - Starting 2026
Body Raise Time - High Idle	25 s - Starting 2026
Pump Flow - High Idle	317.00 gpm (1,199.85 lpm) - Starting 2026
Relief Valve Setting - Raise	3510 psi - Starting 2026
Type	Twin, two-stage hydraulic cylinders with snubbing valve. - Starting 2026

Braking System

Caterpillar 797F Off-Highway Truck Braking System specifications
Front Wet Disc Brake Surface Area	20500 in² - Starting 2026
Load Brake	Rear service brakes - Starting 2026
Parking Brake	Four-corner, Multi-disc, Spring Applied, Hydraulically Released - Starting 2026
Rear - Wet Disc Brake Surface Area	30750 in² - Starting 2026
Service Brakes	Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated - Starting 2026
Standards	Service and Secondary: ISO 3450:2011 - Starting 2026

Cab

Caterpillar 797F Off-Highway Truck Cab specifications
Air Conditioning	HFC - 134A refrigerant: 24,300 Btu/h - Starting 2026
FOPS Standards	FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 Level II - Starting 2026
Heater / Defroster	38900 Btu/h - Starting 2026
ROPS Standards (2)	ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012 - Starting 2026

Capacity - Hp Body - 100% Fill Factor

Caterpillar 797F Off-Highway Truck Capacity - Hp Body - 100% Fill Factor specifications
Heaped (SAE 2:1)*	330 yd³ / 252 m³ - Starting 2026
Struck	225 yd³ / 172 m³ - Starting 2026

Dimensions

Caterpillar 797F Off-Highway Truck Dimensions specifications
Centerline Front Tire Width	21.41 ft (6.53 m) - Starting 2026
Centerline of Rear Dual Tire Width	20.41 ft (6.22 m) - Starting 2026
Dump Clearance	6.58 ft (2.01 m) - Starting 2026
Engine Guard Clearance - Loaded	3.33 ft (1.01 m) - Starting 2026
Front Canopy Height - Empty	25.33 ft (7.72 m) - Starting 2026
Height - Top of ROPS - Empty	21.40 ft (6.52 m) - Starting 2026
Inside Body Depth - Maximum	11.00 ft (3.35 m) - Starting 2026
Inside Body Length	32.75 ft (9.98 m) - Starting 2026
Inside Body Width	27.91 ft (8.51 m) - Starting 2026
Loaded Ground Clearance	2.58 ft (0.79 m) - Starting 2026
Loading Height - Empty	23.00 ft (7.01 m) - Starting 2026
Outside Body Width	32.00 ft (9.75 m) - Starting 2026
Overall Body Length	48.60 ft (14.81 m) - Starting 2026
Overall Canopy Width	29.91 ft (9.12 m) - Starting 2026
Overall Height - Body Raised	51.50 ft (15.70 m) - Starting 2026
Overall Length	49.50 ft (15.09 m) - Starting 2026
Overall Tire Width	31.25 ft (9.52 m) - Starting 2026
Rear Axle - Clearance - Loaded	3.08 ft (0.94 m) - Starting 2026
Rear Axle - Tail	12.90 ft (3.93 m) - Starting 2026
Wheel Base	23.58 ft (7.19 m) - Starting 2026

Engine

Caterpillar 797F Off-Highway Truck Engine specifications
Bore	6.90 in (17.53 cm) - Starting 2026
Displacement	6,469.00 cu in (106,008.15 cu cm) - Starting 2026
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. - Starting 2026
Engine Model	Cat® C175-20 - Starting 2026
Gross Power - SAE J1995	4,000.00 hp (2,982.85 kw) - Starting 2026
Net Power - SAE J1349	3,795.00 hp (2,829.98 kw) - Starting 2026
Rated Speed	1750 r/min - Starting 2026
Stroke	8.70 in (22.10 cm) - Starting 2026

Final Drives

Caterpillar 797F Off-Highway Truck Final Drives specifications
Differential Ratio	1.276:1 - Starting 2026
Planetary Ratio	16.67:1 - Starting 2026
Total Reduction Ratio	21.26:1 - Starting 2026
Type	Double reduction, planetary with full floating axles. - Starting 2026

Service Refill Capacities

Caterpillar 797F Off-Highway Truck Service Refill Capacities specifications
Brake Hoist System - Includes Tank	489.00 gal (1,850.87 l) - Starting 2026
Brake/Hoist Tank	203.00 gal (768.36 l) - Starting 2026
Cooling System	306.00 gal (1,158.21 l) - Starting 2026
Crankcase	103.00 gal (389.86 l) - Starting 2026
Diesel Exhaust Fluid Tank	100.00 gal (378.50 l) - Starting 2026
Differentials	330.00 gal (1,249.05 l) - Starting 2026
Front Wheels - Each	16.00 gal (60.56 l) - Starting 2026
Fuel Tank	1,000.00 gal (3,785.00 l) - Starting 2026
Fuel Tank (Tier 4)	1,200.00 gal (4,542.00 l) - Starting 2026
Steering System - Including Tank	95.00 gal (359.58 l) - Starting 2026
Steering Tank	67.00 gal (253.60 l) - Starting 2026
Torque Converter Sump	80.00 gal (302.80 l) - Starting 2026
Torque Converter/Transmission System - Including Sump	166.00 gal (628.31 l) - Starting 2026

Sound

Caterpillar 797F Off-Highway Truck Sound specifications
Sound Standards (2)	Operator sound pressure level, 78 dB(A), is tested to ISO 6394:2008 and ISO 6396:2008 - Starting 2026

Steering

Caterpillar 797F Off-Highway Truck Steering specifications
Steering Angle	40 degrees - Starting 2026
Steering Standards	ISO 5010:2019 - Starting 2026
Turning Diameter - Front	122.70 ft (37.40 m) - Starting 2026

Suspension

Caterpillar 797F Off-Highway Truck Suspension specifications
Effective Cylinder Stroke - Front	3.90 in (9.91 cm) - Starting 2026
Effective Cylinder Stroke - Rear	3.70 in (9.40 cm) - Starting 2026
Rear axle - Oscillation	±3.96 degrees - Starting 2026
Type	Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments - Starting 2026

Tires

Caterpillar 797F Off-Highway Truck Tires specifications
Rims	44 x 63 - Starting 2026
Tires	59/80 R63 - Starting 2026

Transmission

Caterpillar 797F Off-Highway Truck Transmission specifications
Forward - 1	6.60 mph (10.62 kph) - Starting 2026
Forward - 2	8.90 mph (14.32 kph) - Starting 2026
Forward - 3	12.00 mph (19.31 kph) - Starting 2026
Forward - 4	16.20 mph (26.07 kph) - Starting 2026
Forward - 5	21.80 mph (35.08 kph) - Starting 2026
Forward - 6	29.40 mph (47.31 kph) - Starting 2026
Forward - 7	39.50 mph (63.57 kph) - Starting 2026
Reverse	7.40 mph (11.91 kph) - Starting 2026
Top Speed - Loaded	39.50 mph (63.57 kph) - Starting 2026

Weight Distributions - Approximate

Caterpillar 797F Off-Highway Truck Weight Distributions - Approximate specifications
Front Axle - Empty	47.20% - Starting 2026
Front Axle - Loaded	33.30% - Starting 2026
Rear Axle - Empty	52.80% - Starting 2026
Rear Axle - Loaded	66.70% - Starting 2026

Weights - Approximate

Caterpillar 797F Off-Highway Truck Weights - Approximate specifications
Body Weight	94,799.00 lbs (43,000.16 kg) - Starting 2026
Chassis Weight	474,472.00 lbs (215,217.15 kg) - Starting 2026
Nominal Rated Payload	400.00 t (400,000.00 kg) - Starting 2026
Rated Gross Machine Weight	1,375,000.00 lbs (623,690.28 kg) - Starting 2026