A utility tractor is a tractor type that:

Has at least two wheels, an all up weight of not more than 1,500 kg, and is steered with a handlebar

Has at least three wheels and an all up weight of more than 12,000 kg

Has four wheels, an unlimited all up weight, and is steered with a handlebar

Has at least four wheels, an all up weight of not more than 1,500 kg, and is steered with a wheel