Power your priority HO freight behind these WalthersMainline(R) General Electric 8-40B diesels! Introduced in 1988 with some still in service today, these 4,000-horspower Dash Eight units as they were known, began their long careers in fast freight service. Fully assembled and nicely detailed, features of these engines include: One time run of these roadnumbers, order now - limited quantity available! Prototypes in service 1988 to present Available with ESU Sound and DCC for DCC or DC layouts 21-pin DCC plug Standard cab Molded starter points for grab irons (available separately from other suppliers) Same rugged drive as WalthersProto(R) locos All-wheel drive and electrical pickup Dual machined brass flywheels Heavy die cast chassis Constant and directional LED lights Correct size RP-25 metal wheels Proto MAX(TM) metal knuckle couplers PLEASE NOTE: When operating Walthers-brand locomotives in DC mode, do not use power packs that exceed an 18V rating. This includes MRC 1300-series power packs which have known issues with our decoders. Click here for additional information on DCC functions: ESU CV List ESU Function Mapping ESU Function Output