| Qty. | Road | Numbers | Date | Builder's #s | Phase | Air Filter | Notes |
|---|---|---|---|---|---|---|---|
| 10 | MEC | 400-409 | 5/75 | 40720-40729 | IIh1 | paper | Blomberg trucks |
| 12 | NdeM | 9000-9011 | 1-2/74 | 39641-39652 | paper | Type B trucks | |
| 8 | NdeM | 9012-9019 | 3-4/74 | 39653-39660 | paper | Type B trucks | |
| 18 | NdeM | 9020-9037 | 7-9/74 | 39661-39678 | paper | Type B trucks | |
| 7 | NdeM | 9038-9044 | 10/74 | 39679-39685 | paper | Type B trucks | |
| 1 | P&W | 1801 | 10/76 | 41482 | IIh2 | paper | Providence & Worcester, FB-2 trucks |
| 12 | SCL | 250-261 | 12/73 | 39407-39418 | IIg1 | paper | lightweight, small fuel tank, FB-2 trucks |
| 25 | SCL | 300-324 | 3-5/73 | 38847-38871 | IIf1 | paper | FB-2 trucks |
| 19 | SCL | 325-343 | 11-12/73 | 39388-39406 | IIg1 | paper | Blomberg trucks |
| 49 | SCL | 344-392 | 8-11/74 | 39852-39900 | IIg1 | paper | Blomberg trucks |
| 2 | TU | 101,102 | 2/74 | 39506,39507 | paper | Texas Utilities, Type B trucks | |
|
U18B Phases GE used a common body for the various U-boats, so this list is based on phases of the U30B. Phase II with the forward radiator intake mounted high had oil bath filters; low-mounted intake was for paper air filters. Phase IIf1- handrail notch in the stepwells becomes full length. Phase IIg1- headlight casing becomes oval-shaped, not rectangular; cab side drip rail disappears.
Phase IIh1- square door laches become standard, battery box covers become smaller, cab door stiffener appears. | |||||||
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