The 5 & 6-speed Allison 1000 transmission, paired with 2001-2019 6.6L Duramax, is renowned for its durability and performance, especially in heavy-duty applications. Whether you’re towing, hauling, or simply looking to enhance your driving experience, upgrading your Allison 1000 can make a significant difference. Here are the top five upgrades to consider for maximizing the performance and longevity of your Allison 1000 transmission.
The ten-speed Allison 1000 is substantially better than previous Allison models we have seen come in Duramax trucks. Known for its superior towing performance, excellent fuel economy, and outstanding reliability. It utilizes some of the best technology GM has ever produced. Its reputation for excellence was earned largely because of the advanced electronic control systems provided by the TCM (Transmission Control Module).
What benefits come from 68RFE Tuning?
The 68RFE transmission provides some improvements over previous automatic transmissions matched with Cummins pickup trucks. With 6 gears equipped to help with fuel mileage the new(er) transmission has some other improvements. When these transmissions rolled out in 2007.5, they were the first diesel specific transmission developed by Chrysler. Finally they had stepped up the filtration and moved away from bands being used internally. All in an effort to extend service intervals, increase reliability, and drive down maintenance cost. The dual face torque converter clutch and integrated tow haul capability made the 68RFE a truly solid option for diesel truck owners.
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