Union Pacific April 2011 Roster Changes

Renumbers (6 units):
UP 1611 (SD40-2), renumbered from UP 3404 on 4/8/11 (Note 1)
UP 1614 (SD40-2), renumbered from UP 3338 on 4/8/11 (Note 1)
UP 1615 (SD40-2), renumbered from UP 3380 on 4/15/11 (Note 1)
UP 1617 (SD40-2), renumbered from UP 3401 on 4/18/11 (Note 1)
UP 1618 (SD40-2), renumbered from UP 3355 on 4/21/11 (Note 1)
UP 1620 (SD40-2), renumbered from UP 3691 on 4/28/11 (Note 1)

Notes:
1. Part of SD40-2 Modernization program

Copyright 2011 Sean Graham-White