Walthers Mainline 910-10389 HO Scale EMD SD50 Reading & Northern RBMN 5019 Standard DC Roadname_Cambria and Indiana Electronic 6-AMP reverse board

Electronic 6-AMP reverse board

Walthers Proto 920-48371 HO Scale EMD E9A Diesel B&O 1457 with DCC

Advances in mechanical refrigeration led to small diesel engines powering mechanical refrigeration units built into the ends of the cars

ensuring they are always consistent

Walthers Mainline 910-10389 HO Scale EMD SD50 Reading & Northern RBMN 5019 Standard DC Roadname_Cambria and Indiana Electronic 6-AMP reverse boardWalthers Mainline 910 10389 HO Scale EMD SD50 Reading & Northern RBMN 5019 Standard DC This WalthersMainline EMD SD50 is perfect for heavy freight service on your HO Scale railroad. As demand for higher horsepower units and better fuel economy continued to grow in the late 1970s, EMD began testing a new six axle model in 1979, which entered production as the SD50 in 1981. Like the prototype, this locomotive is a great addition to your railroad's fleet