One of EMD′s most succesful diesels, the GP7 was plain but tough and some are still going strong after nearly 60 years of service! A great addition to your HO Scale roster, these WalthersProto models are packed with features that include: Limited-edition - one time run of these roadnumbers Based on units in service from 1950 to the present Improved hood contours Road-specific details Wire grab irons and lift rings Available with ESU LokSound Select sound for DCC and DC layouts 21-pin DCC plug Pre-installed 28mm round speaker Warm white LED constant and directional headlights 14:1 helical gears for ultra-quiet and smooth running 5-pole, skew-wound, high-torque, high-efficiency can motor Easy multiple-unit operation Superb paint and lettering Heavy die-cast metal underframe Proto MAX(TM) metal knuckle couplers Specific features of this unit include: Based on units in operation from the late 1950s through the early 1970s Brass dual single chime air horns Brass fire cracker style antenna Non-dynamic long hood Operating Gyralight upper headlight & emergency stop signal (DCC only) lower light Early Pyle dual sealed beam headlights Winterization hatch with etched metal grill Vapor standby heater Steam generator equipped Metal sunshades Tall MU stands 1600 Gal fuel tank Roller bearing journals Short-hood forward operation