| Class category | Class | Competitors |
|---|---|---|
| Interschool | 3 - Wairarapa Weedsprayers Accumulator - 95cm | Grace Wright · Southwest |
| Interschool | 4 - C R Nelson Ltd Derby - 95cm | Grace Wright · Southwest |
| Interschool | 8 - J G Griffith Ltd 2 Phase - 95cm | Grace Wright · Southwest |
