The Brown Davis tank range consists of three types of tanks, designed for specific applications and needs of each individual vheicle owner.

Auxiliary Tanks: Are designed to be installed in addition to the original factory fuel tank, with its own fuel gauge. An electrical changeover system simultaneously changes the source of fuel from the original (main) tank to the auxiliary tank (or vice versa), the vehicles fuel gauge is simultaneously changed over to indicate the level in the tank from which the fuel is being drawn.

Gas Conversion Tanks: Are installed in a vehicle when the vehicle is to be converted to operate on LPG in addition to petrol. It is designed to adapt to the original fuel system. This therefore allows the largest area of space for a gas cylinder from where the original fuel tank is removed.