In mid-1939 Bedford announced a new range of trucks, the K-Type 30cwt, M-Type 2/3-tonner and the O-Type for 3–5-ton payloads. These replaced the previous W-Series models that had a squarer cab, though initially they were little changed mechanically.
WW2, however, meant that only 856 K, M and O-Types were built before the factory was turned over to military production. Military variations were developed, such as the MW 15cwt truck based upon the M-Type 2-tonner, as well as the OW, OX and OY. The Bedford ML military ambulance used the same Mann Egerton body as the Austin K2 (“Katy”) Ambulances, the
