Ampro Shipyard & Diesel, a John Deere Marine Dealer out of Kilmarnock VA, purchased a pair of 6135SFM85 Propulsion Engines for sale to Severn River Marine (an Epic Company). Severn sold the engines to James River Fleet, making them the latest Deere engines purchased by the US Federal Reserve Fleet.
The National Defense Reserve Fleet (NDRF) consists of "mothballed" ship mostly. NDRF vessels are at the fleet sites at James River, Virginia.