Demonstrating how to get the best results from bulldozers whether dozing on your own or acting as a pusher behind a scraper The largest dozer featured is a D8 with donkey engine start and cable operation which gives you some idea how old the film must be. . Even today an experienced dozer driver could still pick up some useful advice. Even with today's sophisticated dozers it is still the case that the quality of the operator and the chap planning the job that are the biggest factors in getting earth moved economically. Incidentally it is quite an eye opener to see what jobs an experienced operator can take on with a simple bulldozer. .