- 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
Approximate Weights - Dual Slope
Chassis | 458,500 lbs (207,972 kg)
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Approximate Weights - Flat Floor
Chassis | 458,500 lbs (207,972 kg)
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Body Hoists
Body Lower Time - Float | 18.5 seconds
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Body Power Down - High Idle | 17.3 seconds
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Body Raise Time - High Idle | 25 seconds
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Pump Flow - High Idle | 323 gpm (1,223 lpm)
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Relief Valve Setting - Raise | 3450.01 psi
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Brakes
Brake Standards | 30.1
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Brake Surface - Rear | Meet J-ISO 3450 JAN88 and ISO 3450-1996 standards
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Dimensions
Centerline Front Tire Width | 22 ft (7 m)
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Dump Height | 49 ft (15 m)
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Inside Body Depth - Maximum | 11 ft (3 m)
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Inside Body Length | 32 ft (10 m)
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Loading Height - Empty | 23 ft (7 m)
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Operating Width | 30 ft (9 m)
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Outside Body Width | 28 ft (9 m)
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Overall Height | 24 ft (7 m)
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Overall Height - Body Raised | 49 ft (15 m)
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Overall Length | 48 ft (15 m)
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Overall Width | 30 ft (9 m)
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Wheel Base | 24 ft (7 m)
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Wheelbase | 24 ft (7 m)
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Dump
Load Capacity - heaped | 288 cu yd (220 cu m)
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Load Capacity - Struck | 226 cu yd (173 cu m)
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Rated Payload | 360 t (360,000 kg)
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Engine
Displacement | 7,140 cu in (117,001 cu cm)
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Engine Model | Cat 3524B
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Gross Power | 3,400 hp (2,535 kw)
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Gross Power - SAE J1995 | 3,400 hp (2,535 kw)
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Net Power | 3,211 hp (2,394 kw)
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Net Power - 80/1269/EEC | 3,211 hp (2,394 kw)
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Net Power - Cat | 3,211 hp (2,394 kw)
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Net Power - ISO 9249 | 3,211 hp (2,394 kw)
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Net Power - SAE J1349 | 3,178 hp (2,370 kw)
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Torque Rise | 17.3
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Final Drives
Planetary Ratio | 16.67:1
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Total Reduction Ratio | 21.09:1
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Operating Specifications
Fuel Capacity | 1,800 gal (6,813 l)
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Lower Time | 17.3 seconds
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Raise Time | 24 seconds
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Tire Size | 55/80R63
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Top Speed - Loaded | 40 mph (64 kph)
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Turning Circle - Clearance Diameter | 166 ft (51 m)
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Service Refill Capacities
Cooling System | 315 gal (1,192 l)
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Differential - Final Drives | 110 gal (416 l)
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Fuel Tank - Standard | 1,000 gal (3,785 l)
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Steering System - Including Tank | 114 gal (431 l)
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Steering Tank | 62 gal (235 l)
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Torque Converter - Transmission Sump | 459,463 gal (1,739,066 l)
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Torque Converter/Transmission System - Including Sump | 166 gal (628 l)
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Sound
Sound Standards | Meets OSHA and MSHA occupational noise exposure criteria
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Tires
Standard Tires | 55/80R63 tires
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Transmission
Forward - 1 | 7 mph (11 kph)
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Forward - 2 | 9 mph (14 kph)
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Forward - 3 | 12 mph (19 kph)
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Forward - 4 | 16 mph (26 kph)
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Forward - 5 | 22 mph (35 kph)
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Forward - 6 | 30 mph (48 kph)
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Forward - 7 | 40 mph (64 kph)
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Max Speed | 40 mph (64 kph)
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Reverse | 8 mph (12 kph)
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Transmission Type | 28
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Weights
Body Weight Range | 1314000
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Empty Weight | 1,225,748 lbs (555,991 kg)
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Front Axle - Empty | 43.5%
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Loaded Weight | 719,876 lbs (326,530 kg)
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Rear Axle - Empty | 56.5%
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Weight Distribution Front - empty | 43.5%
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Weight Distribution Front - loaded | 33%
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Weight Distribution Rear - empty | 46.5%
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Weight Distribution Rear - loaded | 67%
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