Bateson manufacture a range of 4 Hydraulic tipping trailers the smallest 720H does not have brakes and can be seen in the un-braked trailer section. Model 202H has a gross weight of 2000kg and can be easily tipped manually avoiding the cost and complexity of electric tipping equipment.
Model 263H at 2600kg and 353H at 3500kg are both 3 metres long and are supplied with a 12v pump and battery box as standard. All models have 30cm steel sides as standard and can be fitted with mesh extension sides and rear gates as an option.
Bateson do not manufacture a larger tipping trailer on safety grounds, they will hold more material than their weight capacity, could be top heavy when tipped and be very back heavy, lifting the rear of the towing vehicle when tipped.