Walthers HO scale SD9 diesel locomotive

Read this review from Model Railroader

By Cody Grivno

Published: October 17, 2012

A classic six-axle road switcher has returned to the WalthersProto line. The HO scale Electro-Motive Division SD9 features a dual-mode QSI Quantum sound system, railroad-specific details, and wire grab irons.

Electro-Motive Division produced the SD9 from January 1954 through June 1959. During that time, 471 units were built. The 1,750-hp locomotive had a 16-cylinder 567C engine and was offered with or without dynamic brakes and steam generator equipment.

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