The Chamberlain Champion Mark IV is an industrial tractor produced from 1975 to 1985 by Chamberlain in Welshpool, Australia. It is powered by a John Deere 3.9L 4-cylinder diesel engine producing 68 hp (50.7 kW). The tractor features a mechanical transmission with two-wheel drive and an open operator station. It supports attachments such as the Chamberlain F1000 and R1250 loaders.