OJSC «Autodiesel» (ОАО «Автоди́зель») known as the Yaroslavl Motor Plant (YaMZ), Russian: Яросла́вский мото́рный заво́д (ЯМЗ), romanized: Yaroslavskyi Motornyi Zavod (YaMZ), based in Yaroslavl, Russia, is an open joint-stock company that produces engines for many Russian companies.
History
Ya-3 3-ton truck
Between 1925 and 1959, YaMZ produced heavy trucks. Back then it was also known as Yaroslavl Automobile Plant (YaAZ, Yaroslavskyi Avtomobilnyi Zavod).
Trucks and buses
The trucks and buses YaMZ produced included:
Prewar models
Ya-3 (1925–1928, based on White-AMO)
Ya-4 (1928–1929, 4-ton truck powered by a 70 hp Mercedes engine)
Ya-5 (1929–1934, 5-ton truck powered by a 93.5 hp Hercules YXC engine)
Ya-5 "Kodzhu" (1933, Ya-5 with a diesel engine)
Ya-7 (1932, prototype 5-ton truck, powered by a 102 hp Continental 21R engine)
Ya-7D (1932, Ya-7 with two-speed auxiliary gearbox)
Ya-8 (1932, prototype lengthened version of Ya-7)
Ya-9D (1932, prototype 8-ton three axle truck)
Ya-11 (1942, prototype 2-ton tracked artillery tractor, powered by two 86 hp GAZ-M engines)
Ya-12 (1943–1946, Ya-11 with a 123 hp GMC 4-71 diesel engine)
Ya-12D (1933, prototype tractor-trailer based on Ya-7D)
Ya-13 (1943)
Ya-13F (1944–1945, production transferred to Plant No. 40 in 1946)
YaG-3 (1932–1934, 4-ton truck, powered by a 60 hp AMO-3 engine)
YaG-4 (1934–1936, 5-ton truck, powered by a 73 hp ZIS-5 engine)
YaG-5 (1934–1935, export version of YaG-4 for Mongolia)
YaG-6 (1936–1942, 5-ton truck, powered by a 73 hp ZIS-5 engine)
YaG-6A (1940, YaG-6 with an 82 hp ZIS-15 engine)
YaG-6M (1938-1940, YaG-6 with a 93.5 hp Hercules YXC engine)
YaG-6 NATI Kodzhu (1938, YaG-6 with 105 hp diesel engine)
YaG-7 (1938, prototype 5-ton cargo truck; cancelled due to WWII)
YaG-8 (1939, as YaG-7 but with a longer wheelbase and carrying capacity increased to 7-ton and powered by a 110–120 hp NATI-MD-23 diesel engine
