Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Komatsu WB140PS | 14-15 ft | 2000 | rare | — |
| Komatsu WB140F-2 | 14-15 ft | 2000 | rare | — |
| Komatsu WB1402T | 14-15 ft | 2001 | rare | — |
| Komatsu WB140-2 | 14-15 ft | 2002 | common | 36% |
| Komatsu WB140 | 14-15 ft | 2002 | common | 37% |
| Komatsu WB140-2N | 16-24 ft | 2005 | common | 39% |
| Komatsu WB140PS-2N | 16-24 ft | 2005 | rare | — |