A-85-3A is turbo-piston diesel engine (sometimes named 2A12-3, 12CHN15/16 or 12N360) for front- and rear-positioned engine compartment. A-85-3A engine is used on an Armata universal platform.

The development of the engine was engaged in Chelyabinsk Transdizel design bureau. It produced on Chelyabinsk tractor plant.

A-85-3A (12N360) Engine Specifications:

• Engine Type: four X - shaped, 12 - cylinder with a turbocharged and intercooled air

• The system of fuel mixing: direct fuel injection