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U18B Roster

GE's U18B - Original Owners

by Robert Sarberenyi

118 US, 45 Mexico


Qty.RoadNumbersDateBuilder's #sPhaseAir FilterNotes
10 MEC 400-409 5/75 40720-40729 IIh1paper 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 IIg1paper lightweight, small fuel tank, FB-2 trucks
25 SCL 300-324 3-5/73 38847-38871 IIf1paper FB-2 trucks
19 SCL 325-343 11-12/73 39388-39406 IIg1paper 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.
Phase IIh2- separate front headlight casing, hinges on front numberboards appear.


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