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UP December 1999 Locomotive Fleet Changes

This month, the first eight units in the new renumbering plan were completed. Included are five former D&RGW and SP/SSW SD40T-2s in the new 8570-8638 and 8639-8869 series, with UP 8595 being the first, completed on 12/2/99. Also included are two units in the new UPY reporting mark: GP15-1 654 (ex-UP 1654) and SD38-2 847 (rebuilt from ex-MP SD40-2 B4219). UPY 847 was the first, completed on 12/17/99. The eighth unit is UP SD50 9881, renumbered from UP 5001 (ex-MP 5001).

New C44AC deliveries (30 units):

UP 7261-7297 (not consecutive numbers)

Life Extension SD40-2R rebuilds (12 units):

UP 3350, 3472, 3540, 3566, 3607, 3625, 3646, 3678, 3739, 3765, 3777, 3785

SD38-2 rebuilt from former MP SD40-2 (1 unit):

UPY 847 (SD38-2), from UP B4219, completed on 12/17/99 (This is the first unit to receive the new UPY reporting mark.)

UP SW1500 1072 (ex-SP 2466) was retired on 29 October 1999; and reinstated on 28 December 1999.

The lease on 14 former C&NW SD40-2s expired on 28 December 1999 and were purchased by UP on the same date. Their numbers are UP 2952-2963, 2965, 2966 (ex-C&NW 6801-6814, not in C&NW sequence), including C&NW 6811, not yet renumbered to UP 2960.

The lease on 14 former C&NW MP15DCs expired on 28 December 1999 and were purchased by UP on the same date. Their numbers are C&NW 1302-1316, assigned UP 1315-1328, not yet renumbered.

Retired units (13 units, all retired 12/29/99, except as noted):

SP 1606 (retired on 12/28/99)
SP 6828 (SD45T-2R) (retired on 12/28/99)
SP 7417 (SD45R)
SP 7438 (SD45R)
SP 7502 (SD45R)
SP 7506 (SD45R)
SP 7533 (SD45R)
SP 7535 (SD45R)
SSW 6888 (SD45T-2R) (retired on 12/28/99)
SSW 6892 (SD45T-2R) (retired on 12/28/99)
SSW 9270 (SD45T-2)
UP 402 (C30-7) (retired on 12/28/99)
UP 410 (C30-7) (retired on 12/28/99)

Renumbered units (14 units):

UP 656 (C36-7), from UP 2656, 12/9/99
UP 5644 (B40-8), from SP 8035, 12/15/99
UP 5653 (B40-8), from SSW 8044, 12/21/99
UP 5742 (GP60), from SSW 9640, 12/15/99
UP 8595 (SD40T-2), from D&RGW 5403, 12/2/99 (first of first two units in new numbering plan)
UP 8615 (SD40T-2), from D&RGW 5357, 12/28/99
UP 8620 (SD40T-2), from D&RGW 5363, 12/2/99 (second of first two units in new numbering plan)
UP 8684 (SD40T-2), from SP 8311, 12/13/99
UP 8691 (SD40T-2), from SSW 8326, 12/27/99
UP 9086 (C41-8), from C&NW 8574, 12/8/99
UP 9667 (C44-9W), from C&NW 8604, 12/27/99
UP 9692 (C44-9W), from C&NW 8628, 12/9/99
UP 9881 (SD50M), from UP 5001, 12/11/99 (Notes 1, 2)
UPY 654 (GP15-1), from UP 1654, 12/22/99

Notes:

  1. UP SD50s 5000-5059 (ex-MP 5000-5059) have been assigned UP 9880-9939. The other SD50s (ex-C&NW 7000-7034 and ex-D&RGW 5501-5517) have been assigned UP 9940-9974 and UP 9975-9991.
  2. UP 9881 (ex-UP 5001) was the eighth unit renumbered in December 1999 in the new renumbering plan