Walthers Mainline 910-10389 HO Scale EMD SD50 Reading & Northern RBMN 5019 Standard DC Roadname_Cambria and Indiana 316 SD70M-2s have been built

316 SD70M-2s have been built or are under construction at the time of this writing

and sculpted wheel arches

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

Electronic 6-AMP reverse board

ensuring they are always consistent

Walthers Mainline 910-10389 HO Scale EMD SD50 Reading & Northern RBMN 5019 Standard DC Roadname_Cambria and Indiana 316 SD70M-2s have been builtWalthers 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