Tension Cranes Demountable cranes available in 0.53 ton capacity. Equipped with single or double acting pump, chrome-plated piston, overload safety valve, and dead man controls. Models 0.51 ton have nylon wheels; 1.52 ton with Vulkollan wheels. The 3-ton model is designed for unloading power units from trucks. This model offers a 3.0-tonne capacity and weighs 480 kg. Key Features 3.0-tonne rated lifting capacity Overall weight: 480 kg Purpose-built for unloading power units from trucks Heavy-duty construction with advanced safety features