For 1968-72 Models 110 & 112
For 1969-71 Models 110 & 112 & Patio
For 1968-71 model 112
| 1968 | 100,001 – 130,000 | Tecumseh HH100 |
| 1969 | 130,001 – 150,000 | Tecumseh HH100 |
| 1969 | 150,001 – 160,000 | Kohler K241 (10hp) |
| 1970 | 160,001 – 180,000 | Tecumseh HH100 |
| 1970 | 180,001 – 185,000 | Kohler K241 |
| 1971 | 185,001 -225,000 | Tecumseh HH100 (10hp) |
| 1971 | 225,001 – 250,000 |
For 1968-72 model 110
| 1968 | 100,001 – 130,000 | Kohler K181 |
| 1969 | 130,001 – 160,000 | Kohler K181 |
| 1970 | 160,000 – 185,000 | Kohler K181 |
| 1971 | 185,001 – 250,000 | Kohler K181 |
| 1972 | 250,001 – 260,000 | Kohler K181 |
| 1972 | 260.001 – 272,000 | Kohler K241 (10hp) |
