Full Allison Transmission Conversion Kit Stage 3

Features:

• Complete Stage 3 Allison conversion kit
• Includes built ATS Allison LCT1000 transmission
• Billet input and intermediate shafts included
• Deep transmission oil pan for better cooling
• Patent pending Cummins to Allison bellhousing
• Plug and play TRANSLator communication module
• Maintains factory functions like tow haul mode
• No engine modifications required for install
• Supports high horsepower and heavy towing
• Ideal for 2015-2018 6.7L Cummins 2WD trucks
• Factory shift controls and indicators retained
• 5 year warranty on ATS transmission components

This Swap Solves Problems You Did Not Know You Had

If you’ve been fighting your 68RFE and are tired of the unpredictable shifts, weak internals, or costly rebuilds, then the ATS Stage 3 Full Allison Conversion Kit is the answer you've been waiting for. Designed for 2015-2018 RAM 2500 and 3500 6.7L Cummins trucks, this kit completely transforms the way your truck drives, tows, and holds power. With the Allison 1000 behind your Cummins, you’ll notice smoother shifts, more consistent power delivery, and overall drivability that just feels right. This kit doesn’t just throw parts at the problem, it’s a fully integrated system built to keep all your factory functions like tow/haul mode, tap shifting, and even cruise control intact. The included TRANSLator module bridges the communication gap between the Allison transmission and the factory computer systems, so everything operates like it came from the showroom floor. Whether you’re daily driving, towing cross-country, or looking to put some serious power down, this conversion adds the strength and confidence you need to trust your truck again. It’s more than just a transmission swap, it’s a performance upgrade that brings long-term reliability and peace of mind with every mile. And with ATS backing it with a 5-year warranty, it’s a solution built to last.

Built For Power And Engineered For Seamless Integration

At the heart of this Stage 3 Allison conversion is a fully built ATS LCT1000 transmission featuring a billet input shaft, billet intermediate shaft, and deep sump pan for improved cooling under load. This isn’t just a stronger transmission, it’s a system built for perfect compatibility between the Allison and your Cummins, using a patent-pending bellhousing and advanced plug-and-play electronics. The TRANSLator module acts as a communication bridge, syncing the TCM with your truck’s BCM and ECM so you don’t lose any factory features or functionality. All original controls, gauges, and settings remain operational, including electronic range select, tow/haul mode, and shift indicators. Unlike pieced-together swaps, this kit eliminates the need for custom fabrication or engine modifications. The transmission bolts right up, and the driveshaft alignment is retained, simplifying installation and preserving factory geometry. This level of integration ensures proper driveline behavior, smoother shifts, and dependable performance under both stock and tuned power levels. For owners looking to push the limits of their truck without compromising reliability or daily drivability, this conversion is a serious leap forward in durability and control.

Fitment: 2015, 2016, 2017, 2018 RAM 2500/3500 6.7L Cummins 68RFE 2WD

Notes:

• Replaces factory 68RFE in 2015-2018 RAM 2500/3500 6.7L Cummins.
• Includes built Stage 3 ATS Allison transmission.
• Billet input and intermediate shafts are pre-installed.
• All factory features like tow/haul and tap shift remain active.
• TRANSLator module ensures full ECM and TCM communication.
• No cutting or engine mods needed for installation.
• Allison adapts to power levels and driving style.
• Stock Allison must be upgraded for Cummins use.
• Driveshaft mods may be needed based on truck year.
• All hardware, mounts, and wiring are included.
• Install takes about 12 hours by a pro.
• 5-year transmission warranty from ATS.
• $500 shipping surcharge applies at checkout.