| Model Num | Machine S/N Base | Machine S/N First | Machine S/N Last |
|---|---|---|---|
| PC120 | * | 18001 | 24709 |
| Misc: | |||
| PC200 | * | 20001 | 45000 |
| Misc: Long Front arrangement | |||
| PC220 | * | 20001 | 35000 |
| Misc: Long Front arrangement | |||
| PC280 | PC280LC-3 | 10001 | UP |
| Misc: Long Front arrangement | |||
| PC100 | * | 18001 | 22872 |
| Misc: | |||