MAZ-504

The MAZ-504 is a Soviet semi-trailer tractor unit built at the Minsk Automobile Plant. The basic MAZ-504 tractor was built from 1965 to 1970, and the basic MAZ-504A from 1970 to 1977. Several modifications followed. The MAZ-504B was a tractor with a hydraulic drive for a tipping semi-trailer, made from 1965 to 1970 on the basis of the MAZ-504. The MAZ-504V had a more powerful YaMZ-238 engine and was meant for international haulage with Sovtransavto; it was built from 1970 to 1982 and possibly until 1990, and from 1977 it took on the outward look of the MAZ-5334 and MAZ-5335 family while keeping its model index. The MAZ-504G was the hydraulic tipping-trailer version built from 1970 to 1977 on the basis of the MAZ-504A, and the MAZ-508V was an all-wheel-drive tractor. The MAZ-515, a 6x4 tractor, and the MAZ-520, a 6x2 tractor, were never built in series. The related MAZ-5429 is named as a further model.