WZT-1

WZT-1 was based on the BTS-2 which poland imported but it had couple of distinguishments:

•Added a 2kW APU to assist with powering tools, an arc welder, and air compressor — plus basic tool sets, tracked and wheeled vehicle tools, pioneer tools, and spare parts storage.

∙The crane was upgraded — the crane can lift 3 tonnes at 4.5 metres, and the main winch has a capacity of 49 tonnes, or 64 tonnes with block and tackle, with 200 metres of cable.

•For armament it had with a 12.7mm DShK machine gun and an RPG-7 grenade launcher