Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
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 | Rigid |
| 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 Config | 4x2 |
| 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) |
| 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 |
| 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 |
| Brake/Hoist Hydraulic Tank | 793,664.10 gal (3,004,018.69 l) |
| 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 |
| Empty Weight | 584,225.00 lbs (265,000.33 kg) |
| Loaded Weight | 1,375,000.00 lbs (623,690.28 kg) |
| Operating Weight | 1,375,000.00 lbs (623,690.28 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% |