Thursday, January 27, 2005

Caterpillar 797B World's Biggest Truck

The 797B Mining Truck is engineered for performance, designed for comfort, and built to last.



Developed specifically for high production mining and construction applications, Caterpillar 797B Mining Truck keeps material moving at high volume to lower your cost-per-ton.

Caterpillar 797 Truck

Rugged construction creates a durable machine. Easy maintenance procedures ensure high reliability and long life with low operating costs.



CAT 797 Worlds Biggest Truck

CAT 797B Operating Specifications


  • Nominal Payload Capacity - 380 tons / 345 tonnes
  • Nominal Payload Capacity - 339.55 tons / 345 tonnes
  • Top Speed – Loaded - 42 mph / 67.6 kph
  • Maximum Capacity - Custom
  • Steer Angle - 39 Degrees / 39 Degrees
  • Turning Radius – Front - 130.9 ft / 39.9 m
  • Turning Circle Clearance Diameter - 132.8 ft / 40.5 m

Caterpillar 797b Mining Truck

Caterpillar 797B transmission


  • Forward 1 - 7 mph / 11.3 kph
  • Forward 2 - 9.5 mph / 15.2 kph
  • Forward 3 - 12.7 mph / 20.5 kph
  • Forward 4 - 17.2 mph / 27.7 kph
  • Forward 5 - 23.1 mph / 37.2 kph
  • Forward 6 - 31.2 mph / 50.3 kph
  • Forward 7 - 42 mph / 67.6 kph
  • Reverse - 8 mph / 12.9 kph

CAT 797b Mining Truck

Caterpillar 797B Final Drives


  • Differential Ratio - 1.265:1
  • Planetary Ratio - 16.67:1
  • Total Reduction Ratio - 21.09:1

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