Introduced in 2003 to comply with tougher emission standards, and more popularly 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 ...Introduced in 2003 to comply with tougher emission standards, and more popularly 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.
Features Include: ESU Sound for DCC and DC layouts, Correct profile radiator grilles and roof-top walkway surface details, 4- or 6-vent dynamic brake vent as appropriate, Six powered axles per unit, Correct headlight position per prototype, Working front ditch lights, Three truck styles to match prototypes, Five-pole skew-wound motor, 14 to 1 gear ratio, Helical-cut gears for quiet operation and easy multiple unit operation, All-wheel drive and electrical pickup, Dual machined brass flywheels, Heavy die-cast metal chassis, RP-25 metal wheels and Proto MAX metal knuckle couplers.