Bring the power of today's railroading to your HO layout with the WalthersMainline General Electric Evolution series diesels.
 
Introduced in 2005 to comply with tougher emission standards, and more known among railfans and modelers as GEVOs, these big engines have quickly become one of the most popular locos worldwide. Designated as the ES44 (Evolution Series, 4,400 horsepower), prototype variations in North American service include locos with DC or AC traction motors and buyers have also specified center idler axles, as well as high adhesion or steerable trucks.