GE U23B
Builder Model Owner Number Series Serial Numbers Year(s) Built Model Phase Horsepower Notes
GE U23B C&O 2300-2329 37228 - 37257 1969 Phase 2c 2250 Blomberg B Trucks; Paper Filter
GE U23B CR 2789-2798 41584 - 41593 1977 Phase 2h2 2250 AAR-B Trucks; Paper Filter
GE U23B D&H 301-316 36803 - 36818 1968 Phase 2a 2250 AAR-B Trucks; Oil Bath Filter
GE U23B LV 501-512 40098 - 40109 1974 Phase 2h1 2250 AAR-B Trucks; Paper Filter
GE U23B MILW 4800-4804 38772 - 38776 1973 Phase 2g 2250 FB-2 Trucks; Paper Filter
GE U23B MON 601-608 37293 - 37300 1970 Phase 2c 2250 AAR-B Trucks; Oil Bath Filter
GE U23B MP 668-674 38758 - 38764 1973 Phase 2g 2250 AAR-B Trucks; Paper Filter
GE U23B MP 2257-2267 39905 - 39915 1974 Phase 2g 2250 FB-2 Trucks; Paper Filter
GE U23B MP 2268-2273 40356 - 40361 1975 Phase 2h1 2250 FB-2 Trucks; Paper Filter
GE U23B MP 2274-2278
2279-2288
40920 - 40924
41523 - 41532
1976-1977 Phase 2h2 2250 FB-2 Trucks; Paper Filter
GE U23B PC 2700-2749 38506 - 38555 1972 Phase 2f 2250 AAR-B Trucks; Paper Filter
GE U23B PC 2750-2776 39305 - 39331 1973 Phase 2g 2250 AAR-B Trucks; Paper Filter
GE U23B SOU 3900-3904
3905-3914
38392 - 38396
39215 - 39224
1972-1973 Phase 2g 2250 AAR-B Trucks; Oil Bath Filter
GE U23B SOU 3915-3934 39621 - 39640 1974 Phase 2g 2250 AAR-B Trucks; Paper Filter

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