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Caterpillar 797 Off-Highway Truck

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.


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General Specifications

Approximate Weights - Dual Slope

Chassis458,500 lbs (207,972 kg)

Approximate Weights - Flat Floor

Chassis458,500 lbs (207,972 kg)

Body Hoists

Body Lower Time - Float18.5 seconds
Body Power Down - High Idle17.3 seconds
Body Raise Time - High Idle25 seconds
Pump Flow - High Idle323 gpm (1,223 lpm)
Relief Valve Setting - Raise3450.01 psi

Brakes

Brake Standards30.1
Brake Surface - RearMeet J-ISO 3450 JAN88 and ISO 3450-1996 standards

Dimensions

Centerline Front Tire Width22 ft (7 m)
Dump Height49 ft (15 m)
Inside Body Depth - Maximum11 ft (3 m)
Inside Body Length32 ft (10 m)
Loading Height - Empty23 ft (7 m)
Operating Width30 ft (9 m)
Outside Body Width28 ft (9 m)
Overall Height24 ft (7 m)
Overall Height - Body Raised49 ft (15 m)
Overall Length48 ft (15 m)
Overall Width30 ft (9 m)
Wheel Base24 ft (7 m)
Wheelbase24 ft (7 m)

Dump

Load Capacity - heaped288 cu yd (220 cu m)
Load Capacity - Struck226 cu yd (173 cu m)
Rated Payload360 t (360,000 kg)

Engine

Displacement7,140 cu in (117,001 cu cm)
Engine ModelCat 3524B
Gross Power3,400 hp (2,535 kw)
Gross Power - SAE J19953,400 hp (2,535 kw)
Net Power3,211 hp (2,394 kw)
Net Power - 80/1269/EEC3,211 hp (2,394 kw)
Net Power - Cat3,211 hp (2,394 kw)
Net Power - ISO 92493,211 hp (2,394 kw)
Net Power - SAE J13493,178 hp (2,370 kw)
Torque Rise17.3

Final Drives

Planetary Ratio16.67:1
Total Reduction Ratio21.09:1

Operating Specifications

Fuel Capacity1,800 gal (6,813 l)
Lower Time17.3 seconds
Raise Time24 seconds
Tire Size55/80R63
Top Speed - Loaded40 mph (64 kph)
Turning Circle - Clearance Diameter166 ft (51 m)

Service Refill Capacities

Cooling System315 gal (1,192 l)
Differential - Final Drives110 gal (416 l)
Fuel Tank - Standard1,000 gal (3,785 l)
Steering System - Including Tank114 gal (431 l)
Steering Tank62 gal (235 l)
Torque Converter - Transmission Sump459,463 gal (1,739,066 l)
Torque Converter/Transmission System - Including Sump166 gal (628 l)

Sound

Sound StandardsMeets OSHA and MSHA occupational noise exposure criteria

Tires

Standard Tires55/80R63 tires

Transmission

Forward - 17 mph (11 kph)
Forward - 29 mph (14 kph)
Forward - 312 mph (19 kph)
Forward - 416 mph (26 kph)
Forward - 522 mph (35 kph)
Forward - 630 mph (48 kph)
Forward - 740 mph (64 kph)
Max Speed40 mph (64 kph)
Reverse8 mph (12 kph)
Transmission Type28

Weights

Body Weight Range1314000
Empty Weight1,225,748 lbs (555,991 kg)
Front Axle - Empty43.5%
Loaded Weight719,876 lbs (326,530 kg)
Rear Axle - Empty56.5%
Weight Distribution Front - empty43.5%
Weight Distribution Front - loaded33%
Weight Distribution Rear - empty46.5%
Weight Distribution Rear - loaded67%


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