Patent ID: 7604256

Claim:
A fire tanker truck comprising: a generally cylindrical tank mounted on the truck, wherein a longitudinal axis of the tank is parallel to the truck's direction of locomotion; a plurality of circularly shaped head baffles mounted at right angles to, and spaced along the longitudinal axis of the tank; an access cutout formed in each head baffle; a door being removably fastened to each head baffle and partially covering the access cutout, wherein a single water transfer port is at least partially formed by a portion of the access cutout not covered by the door, the water transfer port being at least partially formed by the bottom of the tank and the bottom of the door along the lowest edge of the head baffle; a vacuum pump connected to the tank for charging and discharging water; and a plurality of longitudinal baffles mounted parallel to the longitudinal axis of the tank, wherein the plurality of longitudinal baffles are positioned below a horizontal plane through a center of the tank.