Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Hitachi EX40UR | 0-6 t | 1994 | rare | — |
| Hitachi EX40 | 0-6 t | 1995 | known | 100% |
| Hitachi EX40-2 | 0-6 t | 1996 | rare | — |
| Hitachi EX40UR-2C | 0-6 t | 1996 | rare | — |
| Hitachi EX40UR-2 | 0-6 t | 1997 | rare | — |
| Hitachi EX40U | 0-6 t | 2000 | rare | — |