Re: EMD GP7 Question Author: EMDSW-1 Generally upgrading a GP7 to a "GP7u" would include conversion of the 16-567 B engine to a "BC" or "C", replacing the old barrel control stand with a AAR roller switch type, replacing the air-operated reverser and power contactors with the new magnetic version.

2. Conrail EMD GP7 5769 built June 1953 as PC 5769 and seen west of Amhurst, OH May 28, 1977. Bill Kuba photo, Iowa Chapter NRHS collection The next four photos are of Conrail EMD GP7 5807 built June 1953 as PC 5807 and seen in Cedar Rapids, IA April 19, 1980. The photos are in sequence according to the numbers printed on the slides.

2. CRI&P EMD GP7R 4517 built Oct. 1952 as CRIP GP7 1274 then rebuilt at Silvis May 1976 as CRIP GP7R 4517 and seen in Cedar Rapids, IA July 24, 1976. Bill Kuba photo, Iowa Chapter NRHS collection 3. CRI&P EMD GP7R 4518 built Oct. 1952 as CRIP GP7 1272 then rebuilt as CRIP GP7R 4518 then CNW GP7R 4172 and seen in Cedar Rapids, IA July 5, 1976.

2. B&O GM50 GP40-2, built Sept. 1972, at the EMD 50th Anniversary Open House, La Grange, IL on September 9, 1972. 3. EMD 50th Anniversary Open House, La Grange, IL on September 9, 1972. The CNW Geep 1518 was built as EMD GP7 demonstrator 100 in October 1949. SOU FTA 6100 was EMD demonstrator 103, built March 1939. Edited 4 time(s).

According to original "Diesel Spotters Guide" on pg. EMD-25, "The GP-7 has three or four louvers below the cab and two vertical rows of louvers under the radiator shutters at the far end of the long hood. The GP-9 has one or no louver beneath the cab, and lacks the two vertical rows under the radiator shutters.

4. BN EMD GP7 1616 built Dec. 1953 as CB&Q 260 and seen in Galesburg, IL Nov. 24, 1979. Larry Anglund photo, Iowa NRHS Collection 5. BN EMD GP9 1704 built Feb. 1955 as NP 204 and seen in Galesburg, IL May 1986. Larry Anglund photo, Iowa NRHS Collection 6. BN EMD GP9 1761 built April 1957 as GN 688 and seen in Galesburg, IL Oct. 26, 1986.

CNW EMD GP7R 4132 built Dec. 1951 as CRIP GP7 1237 and seen in Cedar Rapids, IA Nov. 21, 1987. Bill Kuba photo, Iowa Chapter NRHS collection 2. CNW EMD GP7R 4146 built Aug. 1952 as WAB GP7 476 and seen in Proviso Yards, Melrose Park, IL Dec. 20, 1981.

Aberdeen & Briar Patch Ry EMD GP7 896 built May 1950 as SAL 1716 and seen in Aberdeen, NC Jan. 3, 1984, the first day of operation. Also known as Aberdeen Carolina & Western Ry. Unknown photographer, Iowa Chapter NRHS Collection Wikipedia says, "The Aberdeen, Carolin

1. Colorado & Wyoming EMD GP7 200 built March 1951 and seen in Pueblo, CO May 5, 1975. Bruce D. Barrett photo, Iowa Chapter NRHS Collection 2. Colorado & Wyoming EMD GP38-2 2002 built Nov. 1973, and seen in Jansen, CO May 24, 1974. Bill Kuba photo, Iowa Chapter NRHS Coll

Your GP7 topic really interested me. The steam generator data for GP7’s on the Unofficial EMD Homepage does not appear to be altogether accurate. GA #1021 was identified as having been built 04/1950 with a steam generator. However, the …