BTR-80 is an 8x8 wheeled armoured personnel carrier (APC) designed in the Soviet Union. The Soviets based the BTR-80 on the BTR-70 APC. It has a single 260-hp, V-8 turbocharged, water-cooled, diesel engine, an improvement over the twin gasoline engines installed in the BTR-60 and BTR-70 vehicles. The reconfigured rear portion of the hull accommodates a new, single engine. The Soviets removed the roof chamfers of the modified BTR-70, raised the rear, and squared off the rearward-sloping engine compartment. This APC used by Russian army in Chechniya.