Metra 308 GM EMD F7A diesel-electric locomotive

METX 308: Retired from service; preserved and operated at the Illinois Railway Museum.

Metra 308 GM EMD F7A diesel-electric locomotive in Yard 2 at the Illinois Railway Museum. METX 308, METX, GM EMD F7, Metra locomotives, Locomotives, Ex CNW, photographed on 26 July 1999 at Illinois Railway Museum (East Union) by Harold A. Driscoll using a Sony Mavica MVC-FD7 digital camera [irm/1999/07/99726i01.jpg] NEW 16 January 2000 This image size is ( 600 x 450; 66 KB ).

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Synopsis: Built in November 1949, GM EMD F7A, EMD order number E1188A, builder's number 8571, as C&NW 4083C for freight service. In 1959 regeared from 62:15 (65 mph) to 57:20 (95 mph) and a 480 VAC Cummins Head-End-Power diesel generator set added, and assigned to Chicago suburban commuter service. Renumbered to C&NW 414 in December 1971. Sold to RTA (later Metra) on 31 December 1947 and leased back (the next day) to C&NW for commuter operation. Retired by RTA on 11 September 1983, but retained on the roster until donated to the Illinois Railway Museum in 1999. --had

C&NW 414: First Number: 4083C, Builder's Date: Dec 1949, Builder's Number: 8571, EMD Order Number: E1188A, Date to C&NW 400 Series: Dec 1971, C&NW Date Retired: 31 Dec 1977, RTA Date Retired: 18 Sep 1983, sold to Regional Transportation Authority (RTA), 31 December 1977, leased back to C&NW for operation on 1 January 1978. C&NW 412-414 assigned RTA road numbers 306, 307, 308, 310; only C&NW 414/RTA 308 was actually renumbered. RTA 308 sold to Northeast Illinois Railroad, renumbered 308. C&NW 412-414, 416 held in C&NW accounts as CGW-owned units. EMD F7A, 14 units (412-425), B-B, 16-567B engine, 57:20 gear ratio, 1,500 horsepower, 234,000 pounds operating weight. [courtesy of Diesels of the Chicago & North Western, Paul K Withers, roster by Don Strack, Withers Publishing, ISBN 1-881411-07-0, 1995.]

C&NW 4083C: Builder's Date: Dec 1949, Builder's Number: 8571, Date To Suburban Service: 1959. Regeared from the original 62:15 (65 mph) gear ratio to 57:20 (95 mph) gear ratio, and equipped with Cummins diesel generator set for 440 VAC auxiliary power for Chicago suburban service in 1959. Renumbered to C&NW 414 December 1971. EMD F7A, 32 units (4072A-4087C), B-B, 16-567B engine, 62:15 gear ratio, 1,500 horsepower, 237,000 pounds operating weight. [courtesy of Diesels of the Chicago & North Western, Paul K Withers, roster by Don Strack, Withers Publishing, ISBN 1-881411-07-0, 1995.]

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