AN ENGINE fault is likely to have been the cause of a truck fire on the Hume Highway on Saturday night.
Emergency services responded about 9.30pm as the prime mover caught alight about five kilometres south of Holbrook.
Flames started in the engine bay and spread to the cabin as the driver escaped.
Witness Tracey Gardiner, who was driving a truck south to Melbourne, heard several loud bangs as the tyres exploded.
“He just grabbed his bag and phone and got out,” Mr Gardiner said.
“There were flames coming out of it as he was pulling up.”
Fire and Rescue NSW duty commander Stewart Alexander said 400 litres of diesel had to be pumped from the destroyed vehicle.
It had been towing steel, which was undamaged.