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Sponsored Product Review: WalthersMainline HO scale SD70ACe with ESU Sound

A modern-era mainstay, the SD70ACe diesel-electric locomotive is back on HO scale rails from Wm. K. Walthers Inc. in a selection of new prototypical road names and paint schemes from Walthers Trains. First reviewed in the June 2016 Model Railroader, the HO scale locomotive is part of the value-priced WathersMainline series. New for 2018, the Digital Command Control (DCC) version of the SD70ACe features an ESU Sound & DCC dual-mode decoder.

The prototype. In 2004 General Motors Electro-Motive Division unveiled the SD70ACe, an updated version of the EMD SD70MAC. The SD70ACe was built to comply with the Environmental Protection Agency’s strict Tier II emissions standards. The heart of the locomotive is the 4,300 hp 16-710G3C-2 diesel engine, which produces 10 percent more horsepower and 50 percent less emissions than a previous 710-series engine.

Electro-Motive Division (Electro-Motive Diesel after 2005) built nearly 1,900 SD70ACes for railroads in North America and Mexico. Most remain in service, although in 2015 EMD replaced the SD70ACe in its product line with the EPA Tier 4-compliant SD70ACe-T4.

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