A protective firefighting vehicle comprising a chassis conceived for heavy loads,
a driving gear for rough terrain and a tank mounted on the chassis for receiving
liquids such as water or fire-extinguishing agents or the like. The tank is divided
in at least two chambers via at least one bulkhead-like partition. Provision is
made in this connection that at least one of the chambers of the tank can be sealed
off in a liquid-tight manner against at least one other chamber of the tank in
order to permit the transport of persons in the at least one sealable chamber.