At the end of May 2026, driving tests began in Kstovo for the ZVEZDA HX4-41 cargo model.
The machine is equipped with a YaMZ-534 diesel engine, a nine-speed mechanical KamAZ gearbox, and Voltyre 800/65R32 low-pressure tyres.
The rated payload capacity of the modification is 4 tonnes, and the maximum speed is 85 km/h. The machine's behaviour under load is being checked during proving ground tests.