Porterfield models
| Model, sort | Registered, sort | Years built, sort |
|---|---|---|
| Porterfield FP-65 | 7 | 1941 |
| Porterfield CP-50 | 8 | 1939–1948 |
| Porterfield 35-70 | 9 | 1935–1976 |
| Porterfield CP-65 | 19 | 1940–1941 |
| Porterfield LP-65 | 27 | 1940–1941 |
| Model, sort | Registered, sort | Years built, sort |
|---|---|---|
| Porterfield FP-65 | 7 | 1941 |
| Porterfield CP-50 | 8 | 1939–1948 |
| Porterfield 35-70 | 9 | 1935–1976 |
| Porterfield CP-65 | 19 | 1940–1941 |
| Porterfield LP-65 | 27 | 1940–1941 |