Model: Caterpillar 777C. Capacity: 85 - 100 tonnes. Overall Weight: 150 tonnes. Power: 900bhp. Consumption: 90 litres of diesel per hour. Transmission: automatic 7-speed split shift (a bit like my Audi!) Cost:$1,390,000 (not like my Audi...) Tyres: $11,200 each, 14 feet across, 6 on each truck.