A trend is beginning to surface with 10L1000 customers experiencing accelerated F drum wear. This wear occurs at the interaction between clutch stack and drum. Unlike the steel drum found in your earlier model Allison, the 10L1000 uses a lightweight aluminum drum. As the truck ages the steels of the clutch stack begin to wear away at the channels that hold them, this wear eventually leads to incomplete shifts or range tie ups. Currently, due to lack of aftermarket options, the most widely accepted repair is to replace the drum with a new OEM drum. Until now. We are officially in the final stages of developing a F drum that can extend the service life of your 10L1000.
Preliminary tests show that our hard anodized surface treated drums have a higher resistance to wear as well as a slightly increased ability to hold load. Third party Rockwell testing indicates up to a 4 point increase in material hardness at the surface. This increase in hardness should directly correlate to an extended service life. As trials are completed, this product will become available.
If you would like to participate in trials please call the shop and ask for Tyler.
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