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| Model Year | Application Information | Polar Bear Part No. |
| 77-74 | AC (258933, 3 speed) | BM 0393 |
| 77-71 | AC (25495, double shaft one speed) | BM 0381 |
| 76-71 | AC (25231, 25797, 3 speed) | BM 0393 |
| 67-65 | AC (double shaft motor) | BM 0381 |
| 63-59 | AC (double shaft motor) | BM 0381 |
| 62-55 | AC (B78-2028) | BM 0351 |