The Ural-4320 is a development of the Ural-375D. The Ural-4320 is also used for drilling for water, oil and gas using the 1BA15 and URB-3A3 drilling rigs, which are mounted on the Ural-4320 chassis. The Ural-4320 chassis has good ground clearance, so it is preferred in regions where roads are difficult to traverse (sand, big rocks, etc). The Ural-4320 is also reliable & easy to repair/maintain. It also serves as a launching platform for the BM-21 "Grad" rocket launcher. In civilian use; it is often used as a fire truck, garbage truck, logging truck. It is also available in a 4x4 version as the Ural-43206
Early versions of the Ural 4320 were fitted with the Kamaz 740 V8 diesel engine. ohv, displacement 10,857 cc (bore/stroke 4.72"), compression ratio 16:1. Power 210 PS (156 kW) @ 2,600 rpm. Torque 470 ft·lbf (637 N·m) @ 1,500 rpm.