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Caterpillar 797 Off-Highway Truck

Approximate Weights - Dual Slope

Chassis458500 lbs

Approximate Weights - Flat Floor

Chassis458500 lbs

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
Relief Valve Setting - Raise3450.01 psi


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


Centerline Front Tire Width21.7 ft
Centerline of Rear Dual Tire Width20 ft
Dump Clearance6.2 ft
Dump Height49.3 ft
Engine Guard Clearance3.8 ft
Height - Top of ROPS/FOPS21.4 ft
Inside Body Depth - Maximum11 ft
Inside Body Length32.3 ft
Inside Body Width26.3 ft
Loading Height - Empty23.2 ft
Operating Width30.1 ft
Outside Body Width28 ft
Overall Body Length47.7 ft
Overall Height23.8 ft
Overall Height - Body Raised49.2 ft
Overall Length47.7 ft
Overall Tire Width30.1 ft
Overall Width30.1 ft
Rear Axle - Clearance2.6 ft
Rear Axle - Tail13.2 ft
Wheel Base23.7 ft
Wheelbase23.7 ft


Load Capacity - heaped287.8 cu yd
Load Capacity - Struck226.3 cu yd
Rated Payload360 t


Displacement7139.8 cu in
Engine ModelCat 3524B
Gross Power3400 hp
Gross Power - SAE J19953400 hp
Net Power3211 hp
Net Power - 80/1269/EEC3211 hp
Net Power - Cat3211 hp
Net Power - ISO 92493211 hp
Net Power - SAE J13493178 hp
Torque Rise17.3

Final Drives

Differential Ratio1.265:1
Planetary Ratio16.67:1
Total Reduction Ratio21.09:1

Operating Specifications

Fuel Capacity1799.9 gal
Lower Time17.3 seconds
Raise Time24 seconds
Tire Size55/80R63
Top Speed - Loaded40 mph
Turning Circle - Clearance Diameter166 ft


ROPS StandardsMeets SAE J1040 APR88, SAE J231 JAN81, ISO 3471-1994 and ISO 3449-1992 LEVEL II

Service Refill Capacities

Brake/Hoist Hydraulic Tank263 gal
Cooling System315 gal
Crankcase110 gal
Differential - Final Drives110 gal
Fuel Tank - Standard1000 gal
Steering System - Including Tank114 gal
Steering Tank62 gal
Torque Converter - Transmission Sump459462.7 gal
Torque Converter/Transmission System - Including Sump166 gal


Sound StandardsMeets OSHA and MSHA occupational noise exposure criteria

Steering System

Steering StandardsMeets SAE J1511 OCT90 and ISO 5010-1984 standards


Standard Tires55/80R63 tires


Forward - 16.7 mph
Forward - 29 mph
Forward - 312.1 mph
Forward - 416.3 mph
Forward - 522 mph
Forward - 629.7 mph
Forward - 739.9 mph
Max Speed39.8 mph
Reverse7.6 mph
Transmission Type28


Body Weight Range1314000
Chassis Weight459462.7 lbs
Empty Weight1225748.3 lbs
Front Axle - Empty43.5%
Gross Machine Operating Weight (GMW)1314000 lbs
Loaded Weight719875.5 lbs
Operating Weight - Empty510000 lbs
Operating Weight - Loaded1230000 lbs
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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39.04690 \\ -77.49030 \\ Ashburn \\ PA