The M17 Multiple Gun Motor Carriage was a US self-propelled anti-aircraft weapon produced by International Harvester for Lend-Lease to the Allies during World War II. The M17 was a four-heavy machine gun mounting on a M5 Half-track chassis. International Harvester produced 400 M17 half tracks in 1943 and 600 in 1944. All were provided to the Soviet Union in 1943 and 1944 Designer M Bergman
