In 1937 the War Department identified a need for a new FAT to supplement, and then replace, the Light Dragon and Morris CDSWs then in service.

It was all-metal and designed to facilitate chemical weapon decontamination, as well as to enable a gun traversing platform to be carried on the rear roof section.

Many were lost in the evacuation of the British Expeditionary Force (BEF) from France and as a result some of these were taken into service by the Wehrmacht.

It was subsequently used wherever the Field Artillery Regiments went, from Iceland to Malaya, primarily as a tractor for the, then new, 25-pounder gun.

Later in the war, when the anti-tank regiments were equipped with 6-pounder and 17-pounder guns, Quads were issued as tractors.

Many of the Commonwealth and Allied forces took their Quads to their home countries, and were provided with more ex-British ones to fully re-equip.

The brackets for this were duly removed, and usually substituted by a framework to provide an additional area for the storage of kit.