OJSC «Autodiesel» or Yaroslavl Motor Plant or YaMZ (ОАО «Автоди́зель» (Яросла́вский мото́рный заво́д), ЯМЗ) based in Yaroslavl, Russia is an open joint-stock company and subsidiary of GAZ Group that produces engines for many Russian, Ukrainian and Belorussian companies.
Between 1925 and 1951, YaMZ produced heavy trucks.
Ya-3 (1925-1928, copy of White TAD truck)
Ya-4 (1928-1929)
Ya-5 (1929-1934)
Ya-11
Ya-12 (1943-1946)
Ya-13
YaG-3 (1932-1934)
YaG-4 (1934-1936)
YaG-5 (1934-1935)
YaG-6 (1936-1942)
YaG-7 (1939, prototype)
YaG-10 (1932-1934)
YaG-12 (1932, prototype four-axle truck)
YaS-1 (1935-1936, dump truck version of YaG-4)
YaS-3 (1936-1942, dump truck version of YaG-6)
YaS-4 (1939, prototype dump truck based on YaG-7)
YaSP (1934, prototype half-track based on Ya-5)
YaAZ-200 (1947-1950, production moved to MAZ)
YaAZ-205 (1945-1946, production moved to MAZ)
YaAZ-210 (1951-1958)
YaAZ-214 (1956-1959, production moved to KrAZ)
YaAZ-218 (1954 or 1957, prototype dump truck)
YaAZ-219 (1957-1959, production moved to KrAZ)
YaAZ-221 (1957-1958, production moved to KrAZ)
YaAZ-222 (1958-1959, production moved to KrAZ)
YaAZ-225 (1949, production moved to MAZ and renamed MAZ-525)
YaAZ-226 (prototype)
Ya-6 (1929-1932, bus version of Ya-5)
YaA-2 (1932, prototype)
YaA-3
YaTB-1 (1936)
YaTB-2 (1937)
YaTB-3 (1938)
YaTB-4 (1938)
YaTB-4a (1941)
YaTB-5 (1941)
YaMZ produces several families of modern engines
YaMZ-530 straight 4 and 6 family of engines 120-312 hp (Euro IV ecology standard)
YaMZ-650 6-cylinder engines with 362-412 hp (Euro III/Euro IV ecology standard)
YaAZ-204 inline-4 (1947-1959, copy of Detroit Diesel 4-71), production moved to KrAZ
YaAZ-206 inline-6 (1947-1959, copy of Detroit Diesel 6-71), production moved to KrAZ
YaMZ-236 V6
YaMZ-238 V8
YaMZ-240 V12
