These 1989 models are available in five different versions -
- OMI #2816, Reading
- OMI #2817, Lehigh Valley
- OMI #2818, Western Maryland (Steam Era)
- OMI #2819, Western Maryland (Diesel Era)
- OMI #2820, Central of New Jersey
Variations -
- Windows (all have full glass, except WM DE which has split glass)
- Window configuration (all have four windows, except RDG which has three)
- Ladders
- Ends (most have square windows, but LV has round end windows)
- Tall or short smoke jack
- Trucks
- Wind deflectors at cupola
- Battery boxes
- LV has angled drip deflectors over windows, other do not