Chieftains UN approved bunded towable Fuel Bowsers comply with all UN fuel transportation regulations and have full EU type approval. This permits the safe and legal transportation of diesel or gas oil on the open highway. The tough chassis and high speed twin axles ensure ease of towing for the driver. Chieftain also manufacture Aviation bowsers for use with Avgas and Jet A1, ADR tested fuel bowsers and bunded static fuel bowsers are also available in the Chieftain fuel bowser range. Various options available on all models.