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12/29/2024
 
 
 
 
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Unit #  Notes  Model  Serial  # Pictures 
SP 8502 as delivered pre 1965 re#ing U50 349472101437
SP 9550 post 1965 number U50 349453222786
SP 9950 ex-SP 9550, SP 8500 U50 349451313485
SP 9951 ex SP 9551, ex SP 8501 U50 3494632078138443
SP 9952 ex SP 9552, ex SP 8502 U50 3494710141366
UP 31 blt 10/63, retired 1/74 U50 34891337450
UP 32 retired 11/74 U50 34892383588
UP 33 retired 10/73 U50 348932145490
UP 34 Blt 7/64, Ret. 2/74, Returned to GE U50 350946104405
UP 35 blt 7/64, retired 09/73, traded to GE U50 350952145491
UP 36 Built 7/64 U50 350961248809
UP 37 retired 11/74 U50 350972147188
UP 38 blt 7/64, traded to GE 09/25/73 U50 350981147306
UP 39 retired 01/74 U50 350992155535
UP 40 ex-UP U50 351002249656
UP 41 blt 8/64, retired 01/74 U50 351011147411
UP 42 Built 8/64 U50 351021255919
UP 43 blt 8/64, retired 01/74, traded to GE U50 351034145488
UP 44 blt 9/64, retired 12/73, traded to GE U50 351041145487
UP 45 blt 09/1964, sfs 04/77 U50 351052227810
UP 46 blt 05/65, retired 09/73 U50 356443112476
UP 48   U50 356462255959
UP 49 blt 07/65, retired 01/74 U50 356472112479
UP 50 blt 07/65, retired 01/74, traded to GE U50 356482145489
UP 51 retired 04/77, sfs U50 35649435698
UP 52 Built 7/65 with Cummins Fuel sys., rated 5600HP, derated 10/66, Ret. 9/73 U50 356503173537


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