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⚠ NOTE: You will need to flash the ECM to a standard transmission calibration.
ATS Diesel has engineered a fully integrated Allison transmission swap for Cummins 5.9L powered vehicles. Powered by our proprietary Digital/Analog Standalone TRANSLator® technology with the T87a TCM and our exclusive, patented Allison to Cummins Bell-housing, the ATS Swap Cummins to Allison Conversion Kit offers complete factory functionality from your late model 5.9L Dodge. Our revolutionary new TRANSLator® Digital/Analog Standalone module allows the Allison T87a TCM to function with the Dodge Truck as it came from the factory with all plug-and-play installation. Our exclusive, patented Allison to Cummins Bell-housing allows a perfect factory match between the Allison Transmission and the Cummins Engine with no additional fabrication required. The all-new ATS Diesel Allison Conversion Kit includes all necessary hardware and software to install an Allison LCT1000 behind your Cummins 5.9L Engine. ATS Diesel Performance is now offering a complete kit so the Allison 6-speed automatic transmission can be installed behind the Cummins 5.9L engine.
For those of you that are not satisfied with the Dodge automatic transmission behind your Cummins engine, the Allison 6-speed swap is the ultimate alternative. If you’re looking for increased reliability and a transmission that will hold under the power of the Cummins you will find that the Allison LCT1000 built by ATS is superior to the factory transmissions offered by Dodge. Dodge offered the 47-RH, 48-RE, 48-RE and the standard transmission option. If you are converting from a standard transmission you will need to source an automatic steering column from a salvage yard. While ATS offers rebuilt versions of these transmissions using heavy duty upgraded parts, the upgraded heavy-duty transmissions still do not offer all of the benefits of a fully built Allison 6-speed automatic.
Due to the nature of the Dodge 47-RH, 47-RE, 48-RE Transmissions having very small shafts, gear sets and clutch packs, the factory Dodge transmissions require very extensive modifications and expensive hard parts to compete with the Allison LCT-1000 Transmission. ATS offers an upgraded Allison Transmission that include the hydraulic pump, clutch packs, shafts, New Up-Graded Valve Body and ATS Five Star Torque Converter. These modifications are all designed to strengthen the Allison 1000 Transmission to reliably handle the massive torque of the Cummins engine.
The Allison 6 speed automatic transmission comes from the factory with large shafts, big clutch packs and huge gear sets. This gives the Allison a direct advantage over the factory Dodge Transmissions. The Allison provides very smooth gearshifts between all 6 gears with a low RPM drop when shifting from one gear to the next unlike the factory Dodge 4 speed automatic transmission which has a huge RPM drop into 4th gear. When all costs are taken into consideration with regards to what it takes to upgrade all of the small and under designed parts of the Dodge transmission, the upgrade to the Allison conversion could be argued as the most cost-effective solution. ATS offers the Allison conversion upgrade in several different kit options. We offer all of the components separately or in a complete kit including the ATS Upgraded Allison transmission assembly. If you prefer to start with your existing 5 or 6 Speed Allison LCT-1000 transmission we offer different kits that provide you all of the parts necessary to convert your existing Allison core. All of conversion kits come with a new ATS Five Star Converter, Cast Bell-Housing to bolt directly to the Cummins engine, HD ATS Allison extension housing, New ATS Valve Body, Electronics package including wiring harness, T87a TCM, Digital/Analog Standalone TRANSLator® Module, Tap Up/Down shifter handle to bolt into your factory steering column, Linkage parts, filler tube etc. We also offer the Banks iDash that interfaces with our Translator module to display all of the transmission functions such as Park, Reverse, Neutral, Drive, Low, Gear Range, Codes, Clear Codes, Turbine Speed, Engine Speed, Output Speed, full diagnostics, Quick Learn and a variety of other options.
There are a few questions you should ask yourself when weighing the decision of whether to go with an ATS upgraded Dodge Ram transmission or to replace it with an Allison conversion:
If you answered yes to any of these questions you are a prime candidate for the Allison transmission swap. The Dodge transmission is very old technology that has been passed on for many years. Utilizing bands, hydraulic throttle valves and governor pressure to control shift timing, the 47-RH, 47-RE and 48RE transmissions will never be a smooth shifting transmission or have the consistency of the newer designed transmissions. The first three gears of the Dodge automatic transmission are spaced evenly while the 4th gear is a massive jump into overdrive. The big jump into overdrive creates a large RPM drop into 4th gear making it somewhat unpleasant for towing. The lock-up torque converter was added as an afterthought to the already outdated low-line pressure transmission making it difficult to control the application of the converter clutch providing unpleasant TCC shifts.
If you’re looking to tow a trailer at a higher horsepower, the Dodge automatic transmission may not be the best transmission choice. Although the Dodge automatic transmission can be upgraded to be extremely reliable and handle very high-power levels, the shifting of an upgraded 48RE transmission still has the feel of an old school 4 speed automatic of the past. The Allison 6 speed automatic transmission has a fantastic gear split between it’s 1st through 6th gears providing an almost perfect gear ratio change. The torque converter is a PWM design allowing for precise application of the converter clutch, which provides a smooth shift.
ATS decided to focus our efforts on making the Allison 6 speed conversion affordable for anyone that needs to replace their out dated Dodge transmission. Another one of the benefits of the Allison is it learns your driving style, different drivers, power levels, habits etc, the Allison T87a TCM will adapt to them all providing a smooth shift through all the ranges. Tap shifting capabilities and tow-haul are all still present as well. On all 5.9L trucks you can add a new shifter, which can be installed in a matter of minutes and provides for Tow Haul and Tap Up/Down function. Overall the Allison can handle more power, with more functionality and longevity than any other transmissions option.
An Allison swap is a solid choice whether you want it for your daily driver, heavy towing, or want to take your truck down the sled pulling track. What would be the best all around transmission for a person that tows, wants to use the power of their high horsepower diesel, is looking for reliability above all and still would like to have the ideal shifting transmission? The Allison 1000 is the best option that is now possible behind the Cummins engine! This does not mean you can take just any Allison 1000 transmission and put it behind the Cummins engine, as great as the Allison transmission is; the stock Allison transmission does have it’s limitations and downfalls. The great news is the Allison can easily and affordably be upgraded to handle a very high level of abuse and high horsepower while providing reliability and longevity. In order to properly transplant the Allison transmission into the Dodge Pickup there are many areas that need to be addressed. How the transmission is adapted to the engine, transfer case, cooler line adaptation, manual linkage, fill tube, transmission electronic control system, and driveline modifications are the basics. This is another area where ATS shines, we have taken the time to cast a “factory fit” patented bell housing and heavy duty extension housing to replace the GM ones found on the Allison. The new ATS castings allow the Allison to transmission to bolt directly up to the Cummins engine without any engine modifications. Yes, this means you no longer need a different engine adapter plate, different starter, flex plate and most importantly you no longer have to grind material off of the engine block to make clearance for the starter. All of the factory wiring and fuel line brackets bolt to the original bell housing bolts as it came from the factory. The transfer case bolts up the back of the transmission and it’s positioned perfectly allowing the drivelines to line up properly. When converting from an automatic transmission to the Allison transmission the engine calibration has to be re-flashed to a standard transmission calibration. This is as easy as using the factory Chrysler scan tool and loading the original factory calibration into the truck or purchasing an AutoCal and loading in a standard transmission calibration. Once this step has been performed you can apply aftermarket tuning to your truck as you have in the past if you are after higher power levels or other engine tuning modifications. The other area where the ATS Allison conversion shines is in our electronics package. Everything is plug and play so there are cutting into wires on your factory wiring harness. We provide everything needed to gather all information from the vehicles factory sensors, this information is compiled in the Digital/Analog Standalone TRANSLator® Module then digitally sent to the T87a TCM to provide perfect transmission control.
Allison Conversion Package (Specific Parts Vary Depending On Year And Model)
ATS Allison 6 Speed Retrofit application Guide. When you are supplying you own transmission this will tell you what ATS install kit you will need to purchase.
The information in this guide will explain the different combinations of Allison 5-speed and 6-speed cores that can be used when upgrading to the ATS Allison conversion kit. We have designed the ATS conversion kit to be able to use any GM Allison 5-speed or 6-speed unit manufactured from 2001 to 2019 that came out of a 2500 or 3500 GM Truck. There are 4 basic configurations of the Allison LCT-1000 transmission. Each one of these transmissions use a different pump, Pressure regulator system and Valve Body configuration. These three parts can not be interchanged without causing severe problems. The different ATS conversion kit options are designed around the transmission core you are starting with. Each kit is designed to be sure the kit you order is shipped with the exact parts you need when you rebuild and up-grade your transmission to be used in the ATS conversion package.
2001 to 2005, 5-Speed Allison LCT-1000. When starting with this core type transmission you must install the ATS modified valve body with internal harness, Manual linkage shaft and Internal mode switch.
2006 to 2010, 6-Speed Allison LCT-1000, When starting with this core type transmission you can use all of the original components. The factory 06-10 VB is hydraulicly limited because of the design of the trim valves, this design limits the line pressure that is allowed to apply the clutch packs which reduces the transmissions ability to hold power. If your Cummins power level is anything above stock it is highly recommended to upgrade to our Valve Body. The ATS valve body is new and designed to provide full line pressure to the clutch packs of the transmission and ensures the transmission will hold increased power levels.
2011 to 2016, 6-Speed Allison LCT-1000, When starting with this core type transmission you can use all of the original components except for the output shaft. The factory output shaft is the wrong spline count to adapt to the Dodge/Ram transfer case. You will need to replace the output shaft with a stock 2001 to 2010 shaft or ATS billet output shaft when doing your rebuild.
2017 to 2019, 6-Speed Allison LCT-1000, When starting with this core type transmission you must change out the pump/stator support assembly and input shaft to the 2011 to 2016 version. The factory output shaft is the wrong spline count to adapt to the Dodge/Ram transfer case. You will need to replace the output shaft with a stock 2001 to 2010 shaft or ATS billet output shaft when doing your rebuild.
Other after market conversions:
CA Conversion or PCS/Destroked Allison transmission, When converting one of these 5-speed or 6-speed Allison transmissions over to use the ATS control system these parts will need to be used. ATS modified valve body with internal harness, Manual linkage shaft and Internal mode switch and ATS electronics package. These conversions are all built a little different so there may be variances in the exact parts you need. It’s also recommended to add the ATS iDash monitor to this package to display the gear selection, trans temp etc.
ATS Transmission packages carry a ONE to FIVE YEAR Warranty. There are several exceptions, so refer to the Warranty’s specific terms and conditions . All labor, shipping, or any other charges associated with the product and the product’s failure are not covered under Warranty. Labor and/or shipping charges will not be refunded under any circumstance. After the one-year anniversary date of the original purchase, there is a limited parts replacement Warranty only. Transmissions that are purchased separately outside of a transmission package / stage and are installed without an ATS torque converter carry a 1 year parts only warranty and there is no labor or shipping allowance for transmission only purchases.
In the event of a product failure, the consumer must return the defective product to ATS for inspection before a replacement is sent to the consumer. After ATS inspects the product and completes the failure analysis, the inspection officer at ATS will provide written documentation stating the condition of the product and determine, to the best of his or her ability, what caused the malfunction or complaint. Based on the findings of the inspection report, ATS will determine whether there is a valid Warranty claim. Should a consumer require immediate service, and chooses not to wait for their product to be returned to ATS for inspection, service, and potential repair or replacement, the consumer can purchase a replacement product from ATS. The consumer must pay the full current MSRP, the applicable core charge, and shipping to and from ATS’ shop. When the defective product arrives, ATS will refund the core charge and inspect the product. During inspection, ATS will assess the product for warrantable damage. If the original product has indeed failed under the terms of the original Warranty, ATS will refund the full purchase price for the replacement product only. If the product has failed due to any issue not covered under the original Warranty, ATS will assess charges to the consumer based on any parts necessary to return the product to nominal ATS standards. ATS will deduct the total cost of required parts from the replacement product’s purchase price, and the consumer will be refunded the difference (if any) between the purchase price paid for the replacement product and the cost of parts.
If the consumer can wait for their product to be returned to ATS for inspection, service, and potential repair or replacement, the consumer pays shipping to and from ATS’ shop. When the defective product arrives in Colorado, ATS will inspect the product. ATS will then assess the product for warrantable damage. If the product has failed under the terms of the original Warranty contract, ATS will repair or replace the product – at ATS’s discretion. If the product has failed due to any issue not covered under the original Warranty, ATS will assess charges to the consumer based on any parts necessary to return the product to nominal ATS standards. ATS will bill the consumer for the total cost of parts required for repair of the product, and shipping to and from Colorado, prior to the repaired/replaced product being sent to the consumer.
This section incorporates Section 2, entitled “In the Event of a Failure.” ATS manual transmissions carry a 1-year/12,000 mile Warranty. ATS will not pay for any fluids replaced in the event of a transmission failure. There is no labor or freight warranty coverage on standard transmissions. Manual transmission shafts and gears are not covered by this Warranty on any transmission due to the capability of certain situations to cause stress-loads beyond the structural ability of the shaft or gear.