The MAZ-537G is a heavy tractor designed for loads of up to 50 tons using trailers such as the ChMZAP-9990 or ChMZAP-5247G - as shown in this kit. Later versions can move 65 tons. It has been used as an artillery tractor for towing rocket or ballistic missile launchers, as a tank transporter as well as an airfield tractor. The ChMZAP-5247G semi-trailer is used for transporting tanks and heavy tracked vehicles as well as heavy equipment and loads.