Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Komatsu PC1206F | 0-6 t | — | rare | — |
| Komatsu PC120-3 | 12-20 t | 1988 | known | 100% |
| Komatsu PC120-5 | 12-20 t | 1992 | known | 94% |
| Komatsu PC120 | 12-20 t | 1993 | known | 99% |
| Komatsu PC120-6 | 12-20 t | 1996 | common | 96% |
| Komatsu PC120-2 | 6-12 t | 1998 | rare | — |
| Komatsu PC120-6E | 12-20 t | 1999 | known | 100% |
| Komatsu PC120LC6 | 12-20 t | 2000 | known | 99% |
| Komatsu PC120LC | 12-20 t | 2002 | rare | — |
| Komatsu PC1206E0 | 0-6 t | 2003 | rare | — |