As of 1-28-2012, the locomotives listed below are still on the UP roster, and have not been patched.
SP
107, 144, 177, 192, 199, 266, 309, 319, 335, 343, 352, 9721, 9738, 9752, 9755, 9794
TOTAL: 16 Units
SSW
SSW 7655, SSW 9642, SSW 9647, SSW 9652, SSW 9669, SSW 9699, SSW 9708,
TOTAL: 7
CNW
CNW 8646, CNW 8701
TOTAL: 2
DRGW
TOTAL: 0
GRAND TOTAL: 25 unpatched Locomotives on the Union Pacific.