Box and tank integrated plate type box and tank body structure and fire fighting truck

The utility model relates to the technical field of fire fighting trucks, and particularly discloses a box-tank integrated plate type box-tank body structure and a fire fighting truck. The tank comprises a front sealing plate, a tank rear sealing plate, a tank bottom plate, a longitudinal partition plate, a wave-proof plate, a pump chamber bottom plate, a pump chamber sealing plate, a transverse partition plate, a box bottom plate and a top plate. The front sealing plate, the tank rear sealing plate, the tank bottom plate and the longitudinal partition plate are connected to define a tank body, and the wave-proof plate is arranged in the tank body; a pump chamber is defined by the tank rear sealing plate, the pump chamber sealing plate and the pump chamber bottom plate. The top plate seals the tank body and the top of the pump chamber together; the two ends, in the horizontal direction, of the front sealing plate and the two ends, in the horizontal direction, of the tank rear sealing plate extend outwards bey