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Caterpillar 797B Off-Highway Truck Specs

The Caterpillar 797B is the predecessor to the 797F and second in the 797 ultra class line of off-highway, haul trucks. It is rated to haul up to 380 tons and built for mining and heavy-duty construction applications around the world. The B model increased payload and engine power over the original 797.


Articulating/Rigid

Caterpillar 797B Off-Highway Truck Articulating/Rigid specifications
Articulating/Rigid Rigid

Dimensions

Caterpillar 797B Off-Highway Truck Dimensions specifications
Dump Ground Clearance 6.20 ft (1.89 m)
Dump Height 50.20 ft (15.30 m)
Ground Clearance 2.90 ft (0.88 m)
Overall Height 24.90 ft (7.59 m)
Overall Length 47.70 ft (14.54 m)
Overall Width 30.10 ft (9.17 m)
Wheelbase 23.70 ft (7.22 m)

DRIVE SYSTEM

Caterpillar 797B Off-Highway Truck DRIVE SYSTEM specifications
Drive Config 4x2

Dump

Caterpillar 797B Off-Highway Truck Dump specifications
Dump Angle 45 degrees
Load Capacity - heaped 287.80 cu yd (220.03 cu m)
Lower Time 18.5 seconds
Raise Time 25 seconds
Rated Payload 380.00 t (380,000.00 kg)

Engine

Caterpillar 797B Off-Highway Truck Engine specifications
Displacement 7,143.00 cu in (117,053.06 cu cm)
Engine Model 3524B HD EUI
Gross Power 3,550.00 hp (2,647.28 kw)
Make Cat
Net Power 3,370.00 hp (2,513.05 kw)
Number of Cylinders 24
Power Measured @ 1750 rpm
Rated Engine Speed 263 rpm
Torque Measured @ Turbocharged rpm

Operating Specifications

Caterpillar 797B Off-Highway Truck Operating Specifications specifications
Brake/Hoist System Fluid Capacity 486.70 gal (1,842.16 l)
Cooling System Fluid Capacity 315.00 gal (1,192.28 l)
Diff and Final Drive Fluid Capacity 110.00 gal (416.35 l)
Engine Oil Capacity 110.00 gal (416.35 l)
Fuel Capacity 1,800.00 gal (6,813.00 l)
Hydraulic System Fluid Capacity 263.00 gal (995.46 l)
Operating Voltage 24 volts
Steering System Fluid Capacity 114.00 gal (431.49 l)
Tire Size 59/80R63 Standard Tires

Service Refill Capacities

Caterpillar 797B Off-Highway Truck Service Refill Capacities specifications
Brake/Hoist Hydraulic Tank 793,664.10 gal (3,004,018.69 l)

Transmission

Caterpillar 797B Off-Highway Truck Transmission specifications
Max Speed 42.00 mph (67.59 kph)
Number of Gears - Forward 7
Number of Gears - Reverse 1
Transmission Type Seven-speed planetary powershift with direct-injection

Weights

Caterpillar 797B Off-Highway Truck Weights specifications
Empty Weight 584,225.00 lbs (264,954.66 kg)
Loaded Weight 1,375,000.00 lbs (623,582.79 kg)
Operating Weight 1,375,000.00 lbs (623,582.79 kg)
Weight Distribution Front - empty 43.5%
Weight Distribution Front - loaded 33.3%
Weight Distribution Rear - empty 56.5%
Weight Distribution Rear - loaded 66.7%
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