ScaleTrains 38483 HO Scale GE AC4400CW Diesel Southern Pacific SP 270 LokSound ProtekTools as operated to ~1954

as operated to ~1954

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ScaleTrains 38483 HO Scale GE AC4400CW Diesel Southern Pacific SP 270 LokSound ProtekTools as operated to ~1954ScaleTrains 38483 HO Scale GE AC4400CW Diesel Southern Pacific SP 270 LokSound Throughout the history of rail transportation, there have been innovations that revolutionized the industry. From Andrew Beards patented designs in the late 1800s that resulted in the automatic couplers that are still used today, to the adoption of diesel technology for locomotive propulsion, these seemingly small developments would lead to massive changes in the industry.