Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Komatsu D37 | — | 1989 | known | 57% |
| Komatsu D37E-2 | 75-100 hp | 1990 | common | 25% |
| Komatsu D37P-2 | 75-100 hp | 1990 | known | 40% |
| Komatsu D37E-1 | 75-100 hp | 1995 | known | — |
| Komatsu D37E | 75-100 hp | 1995 | common | 37% |
| Komatsu D37P | 75-100 hp | 1995 | known | 46% |
| Komatsu D37P-5 | 75-100 hp | 1996 | common | 45% |
| Komatsu D37PX-21 | 75-100 hp | 2004 | known | 71% |
| Komatsu D37EX | 75-100 hp | 2004 | rare | — |
| Komatsu D37EX-21 | 75-100 hp | 2004 | known | 44% |
| Komatsu D37PX | 75-100 hp | 2004 | rare | — |