1. Locate the transmission data plate. This is typically located on the side of the transmission housing.
2. Read the transmission model number from the data plate.
3. Use the following chart to identify your transmission:
| Allison Transmission Model Number | | |
|:---|:---:|---:|
| 1000 | | 2-speed automatic transmission | |
| 2000 | | 3-speed automatic transmission | |
| 2100 | | 5-speed automatic transmission | |
| 2200 | | 6-speed automatic transmission | |
| 2300 | | 7-speed automatic transmission | |
| 2400 | | 8-speed automatic transmission | |
| 2500 | | 9-speed automatic transmission | |
| 3000 | | 4-speed automatic transmission | |
| 3500 | | 5-speed automatic transmission | |
| 4000 | | 6-speed automatic transmission | |
| 5000 | | 7-speed automatic transmission | |
| 6000 | | 8-speed automatic transmission | |
| 7000 | | 9-speed automatic transmission | |
Once you have identified your transmission, you can order a new pan from your local Allison Transmission dealer.
