This module was developed by the State Scientific Technical Centre of Artillery & Rifle Arms of Ukraine.

The BTR-3U engine compartment consists of a Deutz BF6M1015 diesel developing 326 hp coupled to an Allison MD3066 fully automatic transmission.

The vehicle is fully amphibious, propelled when afloat by a single water jet mounted at the rear of the hull.

The troop compartment accommodates six soldiers who enter and leave the vehicle by a door in either side of the hull.

There are also hatches in the roof and firing ports with associated vision devices provided in the sides and front of the vehicle.