Burton Downs Mine These Big 1000 hp Kenworth C510s are designed specifically for off-road use and are rated up to 250 tons. It is compliant with Australian on-highway emissions requirements (ADR80) that they’re powered by Cummins’ 19-litre QSK-19 engine. Designed primarily for high-end road train applications, the large-bore Cummins engine includes a superior level of durability and reliability currently available from smaller displacement engines.
The engine delivers 606 hp (447 kW) at 2100 rpm, with a peak torque of 1950 lb ft (2,644 Nm) at 1300 rpm. Other key components of overdrive include an 18-speed Fuller RTLO-22918B transmission with a first gear ratio of 14.4 to 0.73:1. The rear axles are Axle Tech STRC-1297 hub reduction with a final ratio of 9.59 (you’re the ex-Rockwell off-road model): 1. The front axle is Rockwell FL941 9.1 tons and has a much thicker mesh and flange than its highway cousins, and features a size dual frame 295mm deep The chassis is graded.
These power trailer units have body built on Smith power trans chassis (they’re the company that founded the power trailer unit) and they’re equipped with either Cummins ISX or Signature engines of 450 and 500 horsepower. They are coupled to Allison automatic transmission and tri-drive SISU hub reduction axles. This trailer control taxi is via both hand throttle mounted and married to the accelerator pedal. The advantage of this for example is that the trailer can be set at full throttle when the unit is climbing a hill and there is minimal road speed loss as the trailer is still pushing the unit when the driver changes gear to the Kenworth C510. still pushing the unit.