Premium Drive PD4-5 Suit Machine Types: 3 to 5 tonne. 75mm Square Drive. 75mm Square to 65mm Round adapter available. Suits Mini excavators, skid steer loaders, tractors, tele-handlers, truck cranes, front end loaders, wheeled loaders, back hoes up to 5 tonne (dependent on flow rate). Specifications: Overall Length - 624mm Diameter - 240mm. Weight (no frame/hitch) - 60kg