WORLD'S LARGEST DUMP TRUCKS - CATERPILLAR 797F!!
This ultra-class haul truck has a payload capacity of 400 short tons (363 t). The 20-cylinder, electronic common rail injection, quad turbocharged, air-to-air intercooled, four-stroke diesel engine churns out 4000 hp (2,983 kW) gross, enabling the 797F to maintain the 42mph (68 km/h) top speed while transporting the heavy 363 tonnes of payload. The 797F is equipped with a rear axle-mounted, computer-controlled, seven speed planetary transmission with an integral lock-up torque converter - Caterpillar. Quite a mouthful, but isn't she just spectacular!!