Cummins to Allison Transmission Conversion Kits – Heavy-Duty Dodge Ram Upgrades

Upgrade your Dodge Ram 5.9L or 6.7L Cummins with a professional-grade Cummins to Allison transmission conversion kit from CPP Diesel. Our kits replace stock 68RFE, 48RE, 47RE, or Aisin transmissions with a remanufactured Allison automatic from ATS Diesel, delivering superior durability, higher torque handling, and long-lasting performance.

Whether you tow heavy loads, haul commercial equipment, or want a more reliable automatic transmission, our conversion kits include everything needed for a seamless upgrade, including all adapters, hardware, and detailed instructions.

Why Upgrade to Allison?

• Handles higher torque and towing capacity than stock automatic transmissions
• Longer service life under extreme conditions
• Smoother shifting and improved performance
• Compatible with 5.9L and 6.7L Cummins engines

Frequently Asked Questions

Which Dodge Ram years are compatible with the Cummins to Allison kit?

Kits are compatible with Dodge Ram trucks equipped with 5.9L or 6.7L Cummins engines from 1994–2024, depending on the transmission being replaced (47RH, 47RE, 48RE, 68RFE, Aisin).

Does the kit include the Allison transmission?

Yes, CPP Diesel kits include a remanufactured or rebuilt Allison transmission from ATS Diesel, along with all necessary adapters and hardware.

Is professional installation required?

While experienced DIYers may install the kit, professional installation is strongly recommended to ensure proper fitment and reliability.

Will this kit improve towing and heavy-duty performance?

Absolutely. The Allison transmission is designed for high-torque applications and heavy-duty use, making it ideal for towing, hauling, and commercial applications.

Does the kit come with a warranty?

Yes, every CPP Diesel Cummins to Allison conversion kit comes with a warranty for both the transmission and components provided.

Cummins Transmission vs. Allison Conversion – Comparison

Why Upgrade to Allison? The Allison conversion kit from CPP Diesel offers unmatched durability, torque handling, and towing reliability. It’s the best solution for Dodge Ram Cummins owners looking to upgrade beyond the stock automatic transmission limits.

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