Walthers Proto 920-42529 HO Scale EMD FP7/F7B Diesel Southern Pacific SP 6452 8303 DCC Sound TRX MUDBOSS The Mamba X Crawler edition

The Mamba X Crawler edition is Castle's latest offering for the crawling crowd

The FP7 was essentially EMD’s F7A locomotive extended by four feet to give greater water capacity for the steam generator for heating passenger trains

the bays are formed into two narrow

high speed rigs will experience controllable low-end ranges without sacrificing power

2 Open Crate

Walthers Proto 920-42529 HO Scale EMD FP7/F7B Diesel Southern Pacific SP 6452 8303 DCC Sound TRX MUDBOSS The Mamba X Crawler editionWalthers Proto 920 42529 HO Scale EMD FP7 F7B Diesel Southern Pacific SP 6452 8303 DCC Sound Great for railroads that preferred four axle diesels for their passenger runs, prototypes for the WalthersProto EMD FP7 came equipped with a more boiler water capacity on their stretched chassis. Providing enough steam to power train heat and some air conditioning systems on postwar trains taxed the standard water supply of standard EMD F units set up for