The Belarus MTZ-50 was introduced to the market in 1962. From the beginning, the Belarus was equipped with a cab. However, by the 1970s, it was replaced with a Finnish-made Junkkari cab. The Belarus engine was a 4.75-liter swirl chamber diesel. The four-wheel drive model had an automatically engaging four-wheel drive equipped with a friction lock. The lifting device was two-stage. The lifting capacity was reported as 2000 or 2500 kg in Finland, and 800 kg in West Germany. In the early years, the weight transfer system was based on a pressure accumulator and the two-stage lifting device. Optimal adjustment of the system was difficult. Quick couplers for external hydraulics were standard equipment, unlike on most other tractors in the 1960s.

In 1970, the Super model was introduced with a more angular bonnet, featuring 65 horsepower and faster reverse gears. At the beginning of 1971, the cab was changed to Ky Laine’s Siro III (last picture). In addition, improvements were made to the intake and exhaust manifold, electrical system, clutch plate, and reverse speeds. In 1972, an improved 67-horsepower MTZ-500/520 was launched. About 1.25 million tractors from the MTZ-50 series were manufactured by 1985.

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