| Model # | Primary Spec | Secondary Spec | |||
| 633 | 41 Cu. Ft. | 6hp Engine | |||
| 633E | 41 Cu. Ft. | 6hp Engine, Electric Start | |||
| 643 | 54 Cu. Ft. | 6hp Engine | |||
| 643E | 54 Cu. Ft. | 6hp Engine, Electric Start | |||
| 943 | 54 Cu. Ft. | 9hp Engine | |||
| 943E | 54 Cu. Ft. | 9hp Engine, Electric Start | |||
| 660 | 75 Cu. Ft. | 6hp Engine | |||
| 960 | 75 Cu. Ft. | 9hp Engine | |||
| 960E | 75 Cu. Ft. | 9hp Engine, Electric Start | |||
| 973 | 90 Cu. Ft. | 9hp Engine | |||
| 973E | 90 Cu. Ft. | 9hp Engine, Electric Start |
