The Powrtouch Heavy Duty mover is designed to fit caravans that have shock absorbers fitted or have a narrow gap (less than 105mm (4.125ins)) between the chassis and the tyre, but fitted with a reduction gearbox to provide more moving power to the caravan wheels. Under ideal conditions it is expected that this model will move a 1500 kgs (approx 1.5UK tons) caravan up a 1 in 4 slope. This is the most powerful single axle caravan mover on the market. 5 year Guarantee! We also price match. Price is for a standard fit to steel chassis caravans, non standard and aluminium chassis may require a special fit