Big Bud 500

The Big Bud 500 is a four-wheel drive (4WD) farm tractor produced by Big Bud from 1986 to 1990. It is part of the 4 Series and was built in Havre, Montana, USA. Only 3 units were built. The tractor features powerful engine options including a Komatsu 6-cylinder diesel and a Deutz 19.1L 12-cylinder diesel, both producing 500 hp (372.9 kW). It has a 12-speed full power shift transmission with 12 forward and 2 reverse gears. The Big Bud 500 has hydrostatic power steering, a standard cab, and a 4x4 drive system. The electrical system uses a negative ground.