The M39 Armored Utility Vehicle was an American armored vehicle designed during the Second World War, which saw service in that conflict and in the Korean War. Like a number of vehicles of this type, it was built using an existing chassis, that of the M18 Hellcat.
History
The M39 was originally designed as a prime mover for the 3-inch Gun M5. Approximately 650 were modified from M18 chassis between October 1944 and March 1945. They saw service in Europe during the last months of World War II and were widely used during the Korean War, where they were employed in variety of roles, including as troop transports, medevac ambulances, and ammunition carriers for 155mm M41 Gorilla self-propelled howitzers. M39s played a vital role in supplying and ferrying troops to isolated outposts during the later defensive phase of the Korean War, though their thin armor and open tops meant the crew were vulnerable to enemy fire, and the fully enclosed M75 armored personnel carrier would eventually replace it in this role. The M39 was withdrawn from U.S. service in 1957.
M39s were employed as ammunition carriers in the African American 999th Armored Field Artillery Battalion, which fought in the Battle of the Imjin River, where it provided artillery support for the 1st Republic of Korea Infantry Division. During the battle, Battery B was forced to evacuate its position after neighboring units withdrew. Because the M39s carriers had.50 calibermachine guns, unlike the unit's M41 self-propelled howitzers, they led the retreating column. During the retreat, it was ambushed by Chinese forces; in the battle, the unit lost 7 killed in action, 2 M39 Armored Utility Vehicles and had two M41s damaged and 31 wounded. However, the unit broke through the ambush, inflicting an estimated 100 casualties on the ambushing forces, and promptly resumed providing artillery support afterwards.
Use in the ''Bundeswehr''
In 1956 the United States offered 100 M39s to the West German Bundeswehr. Only 32 were put into service and they were assigned to the Panzergrenadier-Lehrbataillon in Munster. After four years of service they were replaced in 1960 by the Schützenpanzer Lang HS.30 due to a shortage of spare parts.