UP's GE B23-7s and B30-7s Rebuilt To Genset Locomotives
This page was last updated on December 3, 2011.
Additional Information
- UP ex-MP B23-7 (UP 100-184) complete roster
- UP ex-SP B23-7 (UP 185-198) complete roster
- UP ex-MP B30-7A (UP 200-254) compete roster
- UP ex-MP B23-7M (UP 257-259) complete roster
- UP ex-SP B30-7 (UP 7742-7873) complete rosters
- UPY 2300-series roster
- UPY 2602-series roster
(Return to UP Modern Locomotive Index Page)
Of the 118 Genset units in UP's UPY number series, 108 were rebuilt from retired former MP and SP B23-7s and B30-7s.
GE B23-7 -- 54 units rebuilt to Genset
| Road Number |
Previous Number |
UPY Number |
Date To UPY Number |
| UP 100 | MP 4600 | UPY 2659 | 1 Jun 2007 |
| UP 101 | MP 4601 | UPY 2675 | 14 Jul 2007 |
| UP 102 | MP 4602 | UPY 2668 | 27 Jun 2007 |
| UP 105 | MP 4605 | UPY 2657 | 29 May 2007 |
| UP 106 | MP 4606 | UPY 2666 | 22 Jun 2007 |
| UP 107 | MP 4607 | UPY 2678 | 21 Jul 2007 |
| UP 109 | MP 4609 | UPY 2306 | 8 Nov 2005 |
| UP 110 | MP 4610 | UPY 2661 | 9 Jun 2007 |
| UP 111 | MP 4611 | UPY 2674 | 13 Jul 2007 |
| UP 114 | MP 4614 | UPY 2699 | 21 Jul 2007 |
| UP 115 | MP 4615 | UPY 2676 | 17 Jul 2007 |
| UP 116 | UP 4616 | UPY 2692 | 19 Jun 2007 |
| UP 117 | MP 4617 | UPY 2693 | 22 Jun 2007 |
| UP 118 | MP 4618 | UPY 2689 | 29 May 2007 |
| UP 119 | MP 4619 | UPY 2696 | 6 Jul 2007 |
| UP 121 | MP 4621 | UPY 2653 | 14 May 2007 |
| UP 122 | MP 4622 | UPY 2641 | 5 Apr 2007 |
| UP 123 | MP 4623 | UPY 2647 | 29 Apr 2007 |
| UP 125 | MP 4625 | UPY 2633 | 8 Mar 2007 |
| UP 126 | MP 4626 | UPY 2691 | 5 Jun 2007 |
| UP 127 | MP 4627 | UPY 2690 | 30 May 2007 |
| UP 129 | MP 4629 | UPY 2654 | 18 May 2007 |
| UP 131 | MP 4631 | UPY 2649 | 29 Apr 2007 |
| UP 137 | MP 4637 | UPY 2302 | 30 Sep 2005 |
| UP 138 | MP 4638 | UPY 2665 | 20 Jun 2007 |
| UP 139 | MP 4639 | UPY 2694 | 24 Jun 2007 |
| UP 140 | MP 4640 | UPY 2643 | 8 Apr 2007 |
| UP 142 | MP 4642 | UPY 2670 | 7 Jul 2007 |
| UP 144 | MP 4644 | UPY 2629 | 1 Mar 2007 |
| UP 145 | MP 4645 | UPY 2645 | 29 Apr 2007 |
| UP 146 | MP 4646 | UPY 2669 | 4 Jul 2007 |
| UP 147 | MP 4647 | UPY 2651 | 10 May 2007 |
| UP 148 | MP 4648 | UPY 2303 | 10 Oct 2005 |
| UP 149 | MP 4649 | UPY 2628 | 1 Mar 2007 |
| UP 150 | MP 4650 | UPY 2685 | 1 May 2007 |
| UP 151 | MP 4651 | UPY 2648 | 29 Apr 2007 |
| UP 152 | MP 4652 | UPY 2687 | 23 May 2007 |
| UP 155 | MP 4655 | UPY 2640 | 31 Mar 2007 |
| UP 158 | MP 4658 | UPY 2686 | 3 May 2007 |
| UP 160 | MP 4660 | UPY 2642 | 5 Apr 2007 |
| UP 162 | MP 4662 | UPY 2646 | 29 Apr 2007 |
| UP 163 | MP 4663 | UPY 2634 | 13 Mar 2007 |
| UP 164 | MP 4664 | UPY 2632 | 4 Mar 2007 |
| UP 166 | MP 4666 | UPY 2688 | 12 May 2007 |
| UP 170 | MP 4670 | UPY 2623 | 7 Feb 2007 |
| UP 173 | MP 4673 | UPY 2617 | 24 Jan 2007 |
| UP 174 | MP 4674 | UPY 2622 | 7 Feb 2007 |
| UP 175 | MP 4675 | UPY 2309 | 17 Dec 2005 |
| UP 176 | MP 4676 | UPY 2604 | 10 Nov 2006 |
| UP 177 | MP 4677 | UPY 2626 | 13 Feb 2007 |
| UP 178 | MP 4678 | UPY 2624 | 9 Feb 2007 |
| UP 182 | MP 4682 | UPY 2608 | 29 Nov 2006 |
| UP 183 | MP 4683 | UPY 2610 | 9 Dec 2006 |
| UP 184 | MP 4684 | UPY 2618 | 18 Jan 2007 |
GE B23-7 -- 6 units rebuilt to Genset
| Road Number |
Previous Number |
UPY Number |
Date To UPY Number |
| (UP 186) | SP 5101 | UPY 2695 | 25 Jun 2007 |
| UP 187 | SP 5102 | UPY 2689 | 29 Mar 2007 |
| UP 192 | SP 5108 | UPY 2630 | 1 Mar 2007 |
| (UP 194) | SP 5110 | UPY 2663 | 15 Jun 2007 |
| (UP 195) | SP 5111 | UPY 2644 | 29 Apr 2007 |
| UP 197 | SP 5113 | UPY 2637 | 29 Mar 2007 |
GE B30-7A -- 22 units rebuilt to Genset
| Road Number |
Previous Number |
UPY Number |
Date To UPY Number |
| UP 204 | MP 4804 | UPY 2301 | 9 Sep 2005 |
| UP 206 | MP 4806 | UPY 2619 | 28 Jan 2007 |
| UP 209 | MP 4809 | UPY 2655 | 19 May 2007 |
| UP 211 | MP 4811 | UPY 2664 | 19 Jun 2007 |
| UP 216 | MP 4816 | UPY 2627 | 1 Mar 2007 |
| UP 218 | MP 4818 | UPY 2613 | 29 Dec 2006 |
| UP 219 | MP 4819 | UPY 2620 | 28 Jan 2007 |
| UP 221 | MP 4821 | UPY 2308 | 12 Dec 2005 |
| UP 222 | MP 4822 | UPY 2672 | 7 Jul 2007 |
| UP 225 | MP 4825 | UPY 2677 | 19 Jul 2007 |
| UP 227 | MP 4827 | UPY 2621 | 24 Jan 2007 |
| UP 228 | MP 4828 | UPY 2612 | 12 Dec 2006 |
| UP 234 | MP 4834 | UPY 2606 | 31 Oct 2006 |
| UP 236 | MP 4836 | UPY 2609 | 22 Nov 2006 |
| UP 237 | MP 4837 | UPY 2616 | 31 Dec 2006 |
| UP 238 | MP 4838 | UPY 2611 | 29 Dec 2006 |
| UP 239 | MP 4839 | UPY 2682 | 29 Jul 2007 |
| UP 241 | MP 4841 | UPY 2615 | 18 Jan 2007 |
| UP 243 | MP 4843 | UPY 2603 | 31 Oct 2006 |
| UP 246 | MP 4846 | UPY 2607 | 2 Dec 2006 |
| UP 250 | MP 4850 | UPY 2631 | 4 Mar 2007 |
| UP 252 | MP 4852 | UPY 2625 | 9 Feb 2007 |
GE B23-7M -- 1 unit rebuilt to Genset
| Road Number |
Previous Number |
UPY Number |
Date To UPY Number |
| UP 257 | MP 4667 | UPY 2318 | 21 Sep 2006 |
GE B30-7 -- 6 units rebuilt to Genset
| Road Number |
Previous Number |
UPY Number |
Date To UPY Number |
| (UP 7747) | SP 7883 | UPY 2307 | 21 Nov 2005 |
| (UP 7748) | SP 7803 | UPY 2684 | 1 Aug 2007 |
| (UP 7757) | SP 7828 | UPY 2680 | 25 Jul 2007 |
| (UP 7758) | SP 7829 | UPY 2697 | 6 Jul 2007 |
| UP 7765 | SP 7844 | UPY 2698 | 18 Jul 2007 |
| (UP 7769) | SP 7869 | UPY 2673 | 11 Jul 2007 |
GE B30-7 -- 20 units rebuilt to Genset
| Road Number |
Previous Number |
UPY Number |
Date To UPY Number |
| UP 7774 | SSW 7774 | UPY 2316 | 21 Jun 2006 |
| (UP 7776) | SSW 7776 | UPY 2310 | 3 Jun 2006 |
| UP 7781 | SSW 7781 | UPY 2311 | 11 Jun 2006 |
| UP 7786 | SSW 7786 | UPY 2317 | 30 Jun 2006 |
| UP 7787 | SSW 7787 | UPY 2305 | 31 Oct 2005 |
| UP 7788 | SSW 7788 | UPY 2667 | 4 Jul 2007 |
| UP 7813 | SP 7813 | UPY 2662 | 30 Jun 2007 |
| UP 7814 | SP 7814 | UPY 2312 | 20 Aug 2006 |
| UP 7817 | SP 7817 | UPY 2681 | Aug 2007 |
| UP 7818 | SP 7818 | UPY 2319 | 28 Sep 2006 |
| UP 7833 | SP 7833 | UPY 2656 | 2 Jun 2007 |
| UP 7838 | SP 7838 | UPY 2660 | 16 Jun 2007 |
| UP 7839 | SP 7839 | UPY 2658 | 1 Jun 2007 |
| UP 7845 | SP 7845 | UPY 2683 | 31 Jul 2007 |
| UP 7848 | SP 7848 | UPY 2671 | Aug 2007 |
| UP 7853 | SP 7853 | UPY 2652 | 26 May 2007 |
| UP 7860 | SP 7860 | UPY 2635 | 16 Mar 2007 |
| (UP 7861) | SP 7861 | UPY 2304 | 25 Oct 2005 |
| (UP 7862) | SP 7862 | UPY 2650 | 26 May 2007 |
| UP 7873 | SP 7873 | UPY 2679 | Aug 2007 |
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