2009-2012 Artega GT Linde Forklifts (fuelled by Liquefied petroleum gas) W engines Volkswagen Group has produced several 'W engines' based on combining two VR engines on a common crankshaft. The first W engine to reach production was the W12 engine which has been produced since 2001. The W12 engine is constructed from two VR6 engines mated together at an angle of 72 degrees. Although Volkswagen has not produced a VR4 engine, nonetheless it briefly produced a W8 engine from 2001 to 2004. The largest Volkswagen W engine is the W16 engine introduced on the Bugatti Veyron in 2005. This engine uses an angle of 90 degrees between the two VR8 engines, and has four turbochargers. Other manufacturers Motorcycle manufacturer Horex has produced VR6 engines since 2012. References Volkswagen Group engines Piston engine configurations V6 engines Gasoline engines by model 1991 introductions V engines