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In 2020, heavy duty GMC and Chevy Silverado and Sierra trucks started using the new Allison GM 10L100 10 speed. The Duramax diesels are usually paired with this new transmission on 2500 and 3500 models.
In 2020, 4500, 5500 and 6500 trucks still use the classic 6 speed Allison transmission.
PML GM 10L100 Allison Pan Development
We are collecting information on vehicles and fitment and any clearance issues, like exhaust routing and frame cross members. We're also seeing how many folks are interested and if there is enough demand to justify the design and development costs.
Benefits of PML Design
- Extra capacity
- Finned to increase surface area for heat dissipation
- Drain and magnetic drain plug
- Thick walls and gasket flange
- Heavy duty construction