From Sean Graham-White on LocoNotes... Union Pacific September 2006 Roster Changes SD70ACe deliveries (15 units): UP 8434, 8435, 8473-8475, 8482, 8483, 8506, 8507, 8511-8513, 8517, 8518, 8520 GG20GE deliveries (2 unit): UPY 2312, 2318 Helm Operating Lease (1 unit): HLCX GP38-2 3855 Deletions (2 units): UP 2510 (SD60M), retired on 9/28/06 (Note 1) UP 9330 (C40-8), retired on 9/28/06 (Note 1) Renumbers (7 units): HLCX 3855 (GP38-2), renumbered from SP 4864 on 9/5/06 (Note 2) UP 2402 (SD60M), renumbered from UP 6238 on 9/19/06 UP 2506 (SD60M), renumbered from UP 6351 on 9/18/06 UP 2749 (SD40M-2), renumbered from SP 8673 on 9/29/06 UP 3417 (SD40-2), renumbered from UP 7899 on 9/15/06 UP 6169 (C44AC), renumbered from SP 166 on 9/15/06 UP 6176 (C44AC), renumbered from SP 173 on 9/2/06 Notes: 1. Will be scrapped. 2. Unit renumbered at CEECO, Tacoma, Washington.
Are the UP251- and UP9330 formerly owned by a predecessor rr? Were they involved in a crash or just being retired?
I don't keep up with the unit histories but I'd bet both are just plain ole UP units. Might try Don Stracks excellent UP roster site at : http://utahrails.net/up/uprr-index.php