Caterpillar 797 Off-Highway Truck Specs

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

The Caterpillar 797 Off-Highway Truck is a formidable machine designed for heavy-duty hauling in mining and construction applications. With a powerful Cat 3524B engine producing up to 3400 horsepower and an impressive dump load capacity of 287.8 cubic yards, this off-highway truck is built for efficient and high-capacity operations. Its sturdy construction, advanced braking system, and reliable transmission make it a top choice for tackling demanding tasks in challenging environments. Explore the detailed specifications of the Caterpillar 797 below to discover its exceptional performance capabilities.

General Specifications

Caterpillar 797 Off-Highway Truck General Specifications specifications
Body Type	Flat Floor - Starting 2001
Body Weight	113,000.00 lbs (51,256.00 kg) - Starting 2001
Bore	6.70 in (17.02 cm) - Starting 2001
Capacity - Heaped (2:1) (SAE)	290.00 cu yd (220.00 cu m) - Starting 2001
Capacity - Struck (SAE)	228.00 cu yd (173.00 cu m) - Starting 2001
Chassis Weight	473,230.00 lbs (214,653.78 kg) - Starting 2001
cont'd) Approx. Weight	1,230,000.00 lbs (557,919.31 kg) - Starting 1998
Displacement	7,140.00 cu in (117,003.90 cu cm) - Starting 2001
Distribution Empty - Front	43.5 % - Starting 2001
Distribution Empty - Rear	56.5 % - Starting 2001
Distribution Loaded - Front	33 % - Starting 2001
Distribution Loaded - Rear	67 % - Starting 2001
Dumping Height (55°)	588.00 in (1,493.52 cm) - Starting 1998
Engine Model	3524B TA HD - Starting 2001
Flywheel Horsepower	3,211.00 hp (2,394.48 kw) - Starting 1998
Flywheel Kilowatts (Horse- power	3,211.00 hp (2,394.48 kw) - Starting 1998
Flywheel Power	3,227.00 hp (2,406.41 kw) - Starting 2001
Fuel Tank Refill Capacity	1,800.00 US gal (6,813.00 L) - Starting 2001
GENERAL DIMENSIONS - Body Length (Target Length)	569.00 in (1,445.26 cm) - Starting 2001
GENERAL DIMENSIONS - Front Tire Tread	260.00 in (660.40 cm) - Starting 2001
GENERAL DIMENSIONS - Height at Full Dump	591.00 in (1,501.14 cm) - Starting 2001
GENERAL DIMENSIONS - Height to Canopy Rock Guard Rail	285.00 in (723.90 cm) - Starting 2001
GENERAL DIMENSIONS - Loading Height (Empty)	277.00 in (703.58 cm) - Starting 2001
GENERAL DIMENSIONS - Overall Length	572.00 in (1,452.88 cm) - Starting 2001
GENERAL DIMENSIONS - Wheelbase	283.00 in (718.82 cm) - Starting 2001
GENERAL DIMENSIONS - Width (Operating)	360.00 in (914.40 cm) - Starting 2001
GENERAL DIMENSIONS - Width (Shipping)	158.00 in (401.32 cm) - Starting 2001
Gross Machine Weight	1,345,000.00 lbs (610,082.50 kg) - Starting 2001
Gross Power	3,400.00 hp (2,535.42 kw) - Starting 2001
Length	576.00 in (1,463.04 cm) - Starting 1998
Machine Clearance Turning Circle	1,256.00 in (3,190.24 cm) - Starting 2001
Number of Cylinders	24 - Starting 2001
Product Identification Prefix	5YW - Starting 1998
Standard Tires	55/80R63 - Starting 2001
Stroke	8.50 in (21.59 cm) - Starting 2001
Tire Ply / Star Rating	2 star - Starting 2001
Tire Size	55/80R63 - Starting 2001
Tire Type	E-4 - Starting 2001
Top Speed (Loaded)	40.00 mph (64.37 kph) - Starting 2001
Trucks/Tractors Capacity Metric Tons (U.S. Tons	360.00 tons (326.00 tonnes) - Starting 1998
Trucks/Tractors Capacity Metric Tons (U.S.Tons	326.0 (360.0 - Starting 1998
Turning Circle	1,258.00 in (3,195.32 cm) - Starting 1998
Width	360.00 in (914.40 cm) - Starting 1998
Years Built	1998 - 2002

Approximate Weights - Flat Floor

Caterpillar 797 Off-Highway Truck Approximate Weights - Flat Floor specifications
Chassis	458,500.00 lbs (207,972.36 kg)
Front Axle - Empty	43.5 %
Front Axle - Loaded	33.3 %
Rear Axle - Empty	56.5 %
Rear Axle - Loaded	66.7 %

Body Hoists

Caterpillar 797 Off-Highway Truck Body Hoists specifications
Body Lower Time - Float	18.5 s
Body Power Down - High Idle	17.3 s
Body Raise Time - High Idle	25 s
Pump Flow - High Idle	323.00 gpm (1,222.56 lpm)
Relief Valve Setting - Raise	3450.01 psi

Brakes

Caterpillar 797 Off-Highway Truck Brakes specifications
Standards	Meet J-ISO 3450 JAN88 and ISO 3450-1996 standards

Dimensions

Caterpillar 797 Off-Highway Truck Dimensions specifications
Centerline Front Tire Width	21.65 ft (6.60 m)
Centerline Of Rear Dual Tire Width	19.91 ft (6.07 m)
Dump Clearance	6.13 ft (1.87 m)
Dump Height	49.22 ft (15.00 m)
Engine Guard Clearance	3.75 ft (1.14 m)
Height - Top Of Rops	21.39 ft (6.52 m)
Inside Body Depth - Maximum	10.98 ft (3.35 m)
Inside Body Length	32.29 ft (9.84 m)
Inside Body Width	26.25 ft (8.00 m)
Loading Height - Empty	23.12 ft (7.05 m)
Operating Width	30.03 ft (9.15 m)
Outside Body Width	27.97 ft (8.53 m)
Overall Body Length	47.67 ft (14.53 m)
Overall Height	23.76 ft (7.24 m)
Overall Height - Body Raised	49.18 ft (14.99 m)
Overall Length	47.67 ft (14.53 m)
Overall Tire Width	30.03 ft (9.15 m)
Overall Width	30.02 ft (9.15 m)
Rear Axle - Clearance	2.58 ft (0.79 m)
Rear Axle - Tail	13.18 ft (4.02 m)
Wheel Base	23.62 ft (7.20 m)
Wheelbase	23.63 ft (7.20 m)

Dump

Caterpillar 797 Off-Highway Truck Dump specifications
Load Capacity - Heaped	287.75 cu yd
Load Capacity - Struck	226.28 cu yd
Rated Payload	760,000.00 lbs (344,730.63 kg)

Engine

Caterpillar 797 Off-Highway Truck Engine specifications
Displacement	7,139.80 cu in (117,000.62 cu cm)
Engine Make	2236
Engine Model	3524A
Gross Power	3,400.00 hp (2,535.42 kw)
Gross Power - Sae J1995	3,400.00 hp (2,535.42 kw)
Net Power	3,211.00 hp (2,394.48 kw)
Net Power - 80/1269/Eec	3,211.00 hp (2,394.48 kw)
Net Power - Cat	3,211.00 hp (2,394.48 kw)
Net Power - Iso 9249	3,211.00 hp (2,394.48 kw)
Net Power - Sae J1349	3,178.00 hp (2,369.87 kw)

Final Drives

Caterpillar 797 Off-Highway Truck Final Drives specifications
Differential Ratio	1.265:1
Planetary Ratio	16.67:1
Total Reduction Ratio	21.09:1

Operating Specifications

Caterpillar 797 Off-Highway Truck Operating Specifications specifications
Lower Time	17.3 s
Maximum Capacity Struck (Sae)	228 cu yd
Maximum Payload Capacity	720,000.00 lbs (326,586.91 kg)
Minimum Payload Capacity	642,680.00 lbs (291,515.11 kg)
Raise Time	24 s
Top Speed - Loaded	40.00 mph (64.37 kph)

Operational

Caterpillar 797 Off-Highway Truck Operational specifications
Fuel Capacity	1,799.90 gal (6,812.62 l)
Tire Size	55/80R63

Rops

Caterpillar 797 Off-Highway Truck Rops specifications
Rops Standards	Meets SAE J1040 APR88, SAE J231 JAN81, ISO 3471-1994 and ISO 3449-1992 LEVEL II

Service Refill Capacities

Caterpillar 797 Off-Highway Truck Service Refill Capacities specifications
Brake/Hoist Hydraulic Tank	263.00 gal (995.46 l)
Cooling System	315.00 gal (1,192.28 l)
Crankcase	110.00 gal (416.35 l)
Fuel Tank - Standard	1,000.00 gal (3,785.00 l)
Steering System - Including Tank	114.00 gal (431.49 l)
Steering Tank	62.00 gal (234.67 l)
Torque Converter/Transmission System - Including Sump	166.00 gal (628.31 l)

Sound

Caterpillar 797 Off-Highway Truck Sound specifications
Sound Standards	Meets OSHA and MSHA occupational noise exposure criteria

Steering

Caterpillar 797 Off-Highway Truck Steering specifications
Steering Standards	Meets SAE J1511 OCT90 and ISO 5010-1984 standards

Tires

Caterpillar 797 Off-Highway Truck Tires specifications
Standard Tires	55/80R63 tires

Transmission

Caterpillar 797 Off-Highway Truck Transmission specifications
Forward - 1	6.70 mph (10.78 kph)
Forward - 2	9.00 mph (14.48 kph)
Forward - 3	12.10 mph (19.47 kph)
Forward - 4	16.30 mph (26.23 kph)
Forward - 5	22.00 mph (35.41 kph)
Forward - 6	29.70 mph (47.80 kph)
Forward - 7	39.90 mph (64.21 kph)
Max Speed	39.80 mph (64.05 kph)
Reverse	7.6 mile/h

Weight Distributions - Approximate

Caterpillar 797 Off-Highway Truck Weight Distributions - Approximate specifications
Front Axle - Empty	43.5 %
Rear Axle - Empty	56.5 %

Weights

Caterpillar 797 Off-Highway Truck Weights specifications
Empty Weight	1,225,748.30 lbs (555,990.77 kg)
Loaded Weight	719,875.50 lbs (326,530.44 kg)
Weight Distribution Front - Empty	43.5 %
Weight Distribution Front - Loaded	33 %
Weight Distribution Rear - Empty	46.5 %
Weight Distribution Rear - Loaded	67 %

Weights - Approximate

Caterpillar 797 Off-Highway Truck Weights - Approximate specifications
Chassis Weight	459,462.70 lbs (208,409.03 kg)
Gross Machine Operating Weight (Gmw)	1,314,000.00 lbs (596,021.11 kg)
Operating Weight - Empty	510,000.00 lbs (231,332.40 kg)
Operating Weight - Loaded	1,230,000.00 lbs (557,919.31 kg)