The Charioteer FV4101 was a British anti-tank armored vehicle built in the 1950s. It was armed with an 84mm gun mounted on a hydraulic-powered, rotating turret. Technically the Charioteer FV4101 was a self-propelled anti-tank gun, based on the Cromwell tank chassis. It was powered by a Rolls-Royce Meteor V12 gasoline engine, delivering 600 horsepower. The 84mm cannon was an Ordnance QF 20 pounder, which fired 9.07kg armor-piercing ammunition.