Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Case 721CR | 150-200 hp | — | rare | — |
| Case 721 | 100-150 hp | 1990 | common | 77% |
| Case 721B | 100-150 hp | 1996 | common | 72% |
| Case 721BXT | 100-150 hp | 1998 | rare | — |
| Case 721C | 150-200 hp | 2000 | known | 75% |
| Case 721CXT | 150-200 hp | 2000 | rare | — |
| Case 721DXT | 150-200 hp | 2004 | rare | — |
| Case 721D | 150-200 hp | 2005 | known | 74% |
| Case 721E | 150-200 hp | 2007 | rare | — |