The ALCO RSD-7 was a diesel-electric locomotive of the road switcher type built by ALCO at Schenectady, New York between January 1954 and April 1956. Two versions were built, with the same RSD-7 model designation but different specifications and power ratings, although both used the ALCO 244 engine in V16 configuration.

2024年12月27日 · The RSD7, a remarkably robust six-axle locomotive, represented a significant advancement in the company's catalog, surpassing any previous model produced by the company. Notably, it was not conceived to rival Electro …

RSD-7 Spotting features: High hoods with notched nose Six-axle trucks (all powered)

C&O Class RSD7. PRR Class APS-24MS.

The ALCO RSD-7 was a diesel-electric locomotive of the road switcher type built by ALCO at Schenectady, New York between January 1954 and April 1956. Two versions were built, with the same RSD-7 model designation but different specifications and power ratings, although both used the ALCO 244 engine in V16 configuration.

power: 600 class: 2,250 hp 602 class: 2,400 hp weight: 600 class: 366,000 lbs 602 class: 398,000 lbs : tractive effort: 600 class: 91,500 lbs

RSD-12 Spotting features: Seven-feet shorter than RSD-7 and RSD-15 High hoods with notched nose; some later models had low-notched nose Six-axle trucks (all powered)

2007年7月31日 · After checking out the models of the RSD-7 and RSD-15, you may have to crown Atlas O the king of three-rail Alco power. The RSD-7 and the RSD-15 are basically the same locomotive, except that the RSD-7 had an Alco 244-series diesel engine and the RSD-15 had a 251-series diesel engine.

Top-Left Photo, Partial Caption: "Round-nosed, low-hooded RS-2's and RS-3's showed up in most roads' roundhouses during 1946-1956. Detroit-bound Pennsy RS-3's (above) are distinguished from RS-2's by battery box on running board behind cab." Photo by Louis A. Marre. No exact date or location for this shot.