Originally built for the Auto Train Corporation in 1974, they were never delivered, being sold instead to Conrail in 1976. They saw service in all capacities on Conrail and all four were retired in 1991 and traded in to GE.

BOSE-X at Middlefield, MA. on 7/1/82. (1)

Led by a pair of GP40-2's and a reluctant U36B, BOSE-X battles the Berkshires in Bancroft, MA. at 19:14 on July, 1, 1982.

BOSE-X at Middlefield, MA. on 7/1/82. (2)

From the smoke and smell it seemed as if U36B 2973 was busily engaged in an attempt at cooking a traction motor.

CR 2971 (1) at Becket, MA. on 7/1/82.

NHSE running left-handed up the east slope at MP 129 in Becket, MA. on July 1, 1982.

CR 2971 Bancroft, MA 3/11/84

U36B 2971 in TV8X at Bancroft, MA. on March 11, 1984. The train had gone into emergency due to a parted brake hose which allowed for a roster shot of the 2971 while waiting for the train line to be put back together. Couldn't have picked a better spot to come to rest.

CR 2971 Bancroft, MA 7/1/82

SENH's headend going away with a good mix of power, including Conrail U36B 2971, one of four built for Auto Train but never delivered. Instead of red, white and blue, she would end up in just white and blue.

CR 2971 Rochester, NY 4/12/1977

A Westbound van train has 2 of the new U36Bs on it. There were only 4 of these on the roster and they had the distinction of having mars lights in the nose.

CR 2971 Selkirk NY Nov 1978

U36B 2971 new at Selkirk fuel plant

CR 2972 Bogota, NJ 1/77

Two of four exAutotrain U36b's hold in the siding at Bogota, NJ with TV-16

CR 2973 Empire State Xpress Spuyten Duyvil NY Jul 1983

U36B 2973 pulling RoadRailers on Empire State Express at Spuyten Duyvil NY

CR 2973 Mechanicville NY May 1982

U36B 2973 on B&M at Mechanicville

CR 2973 Peekskill NY May 1982

U36B 2973 SELI along causeway north of Peekskill

CR 2974 Enola, PA 6-18-1977

One of four U36B's purchased by Conrail in 1976, CR 2974 rests at Enola in June, 1977.

The U-boats were originally built for Auto Train to SCL specs, but not delivered due to financial difficulties.

CR 2974 in Hinsdale, MA. on 3/6/82. (1)

U36B 2974 leads RESE across the Hinsdale flats at MP 140 in Hinsdale, MA. on March 6, 1982. The hand-thrown crossovers were replaced with higher speed remote controlled switches with the single-tracking project on the B&A in the late '80's and the location became CP 140.

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