Wiktionary
n. On a steam locomotive, a railroad truck to which wheel axles (and, hence, wheels) for one or more coupled pairs of unpowered wheels are attached through bearings, located in front of the driving wheels.
Usage examples of "leading truck".
They were not more than ten paces from the side of the leading truck as they came up onto their knees in unison and drew.
I ran up to the leading truck and sent Boy back to bring up the rear.
Piet Ricimer was having a discussion with Mostert and a group of other officers beside the leading truck.
Jon Watford drove the leading truck and carried Lissea in the cab with him.
The leading truck had National Army fender stencils and a Yokel crest on the passenger door, but the troops in back wore black uniforms.
Sean marked the time with the bevel ring on his Rolex and walked back to join Job in the leading truck.
The soldiers who investigated the remains of the burning van load petrol cans and plastic drums into the back of one of the trucks, which go ahead of us back up the road, into the stream of refugees, horns blaring, a soldier standing proud of the leading truck's cab where a machine gun points out.
The party of Negroes clearing the road for the leading truck was on the verge of mutiny.
These were those who had become aware of the monstrous black creature that was cutting the proverbial bloody swathe through the rioting thousands en route, apparently, for the leading truck of the MTWTV convoy.