Can You Put a Allison Transmission on a Cummins

Yes, you can put an Allison transmission on a Cummins engine. An Allison transmission is a fully automatic gearbox that works with both gasoline and diesel engines. The only thing to consider when installing an Allison transmission is the size of the flywheel that needs to be used.

This must match the torque rating of your particular Cummins engine model in order to ensure proper function and longevity of your new setup. In addition, it’s important to make sure all necessary hardware (bellhousing, flexplate, mounting brackets) for connecting the two components together are also compatible with one another before installation takes place.

  • Step 1: Ensure you have the correct bolts and other hardware necessary to mount the transmission
  • You’ll need an adapter plate, fasteners, gaskets, o-rings, fluid cooler lines and a wiring harness for the electronics
  • Step 2: Install the adapter plate onto your Cummins engine block and secure it with bolts
  • Make sure that it is securely fastened before proceeding
  • Step 3: Put the Allison transmission into place by connecting it to your Cummins engine using supplied mounting bolts
  • Use thread locker on all of these connections for extra security
  • Step 4: Connect any remaining coolant lines between your engine and transmission as needed so they can both share a cooling system if desired
  • These should be connected using high quality hose clamps or steel fittings depending on which type of connection is available in your setup
  • Step 5: Attach the wiring harness from your ECU to its corresponding connector on the back side of the Allison Transmission’s control unit (TCM)
  • This will allow communication between them so they can work together properly when shifting gears during operation later down the road (or driveway!) Step 6: Fill up your new Allison Transmission with ATF+4 fluid until it reaches proper levels according to manufacturer specifications and then check for any leaks before running it again under load conditions such as driving around town or highway speeds safely

ALLISON Swapping my Dodge Ram CUMMINS 2500

6.7 Cummins Allison Conversion Kit

The 6.7 Cummins Allison Conversion Kit is a great way to upgrade your existing Cummins engine for improved performance and fuel economy. This kit includes the necessary components needed to replace your factory-installed transmission with an Allison 1000 series transmission, including an adapter plate, flywheel, torque converter, shift linkage parts, and electronic wiring harnesses. With this conversion kit installed in your vehicle you will experience smoother shifting along with increased power and torque output due to the higher gear ratios of the new transmission.

Additionally, you’ll benefit from improved fuel efficiency thanks to its superior design that optimizes combustion within each cylinder.

5.9 Cummins to Allison 1000 Adapter

If you’re looking to upgrade your 5.9 Cummins engine with an Allison 1000 transmission, the good news is that there’s an adapter available to make the swap easier. This adapter bridges the gap between a Cummins and an Allison-style transmission, allowing for hassle-free installation of either one in place of the other. It also allows for compatible hookup of all related components like sensors and wiring harnesses, meaning it will be as reliable as if it was designed as a single unit from the start.

Ats Allison Conversion Reviews

Ats Allison Conversion is a leading provider of transmission conversion solutions for commercial and personal vehicles. Their comprehensive range of products has been designed to meet the needs of both professional mechanics and DIYers alike, with reviews noting that their product selection is versatile, reliable, and easy-to-use. Customers have also praised Ats Allison Conversion for providing excellent customer service, with many finding the staff knowledgeable about their products and eager to help when needed.

5.9 Cummins Allison Transmission Kit

The 5.9 Cummins Allison Transmission Kit is an aftermarket upgrade for diesel-powered vehicles, allowing them to operate with greater efficiency and power on the road. This kit includes a remanufactured 6-speed Allison 1000 transmission, as well as all necessary components and hardware needed for installation. It also comes with detailed instructions to make the installation process easier and faster than ever before.

With this kit, your vehicle will be able to take advantage of increased fuel economy and improved overall performance from its upgraded transmission system.

Can You Put a Allison Transmission on a Cummins


Will a 5.9 Cummins Bolt Up to Allison Transmission?

Yes, a 5.9 Cummins engine will bolt up to an Allison transmission. This is due to the fact that both components are designed to work together in order to provide superior power and performance for diesel vehicles. The 5.9 Cummins engine was first introduced in 1988 and has been used ever since as one of the most popular engines for heavy-duty trucks and commercial vehicles.

It features a cast iron block with aluminum heads, double overhead camshafts, and four valves per cylinder which provides superior fuel efficiency compared to other gasoline engines. When combined with an Allison transmission, the 5.9 Cummins delivers impressive torque along with smooth shifting capabilities making it perfect for those who need ultimate power from their vehicle’s drivetrain system.

Can a Allison 1000 Fit a Cummins?

Yes, a Allison 1000 can fit a Cummins engine. This is because the Allison 1000 has been designed to work with engines from several different manufacturers, including Cummins. The design of the transmission provides for easy installation and makes it an ideal choice for many vehicles that are powered by Cummins engines.

The transmission also allows for smooth shifting and power delivery when used in conjunction with a Cummins engine, so you won’t have to worry about any major issues while driving your vehicle. Additionally, the Allison 1000 is relatively simple to install compared to other transmissions available on the market today, making it an attractive option if you’re looking to upgrade or replace your current transmission system without causing too much trouble or expense.

Can You Get Allison Transmission in a Ram?

Yes, you can get an Allison transmission in a RAM. An Allison transmission is the most reliable and advanced automatic transmission available for medium-duty trucks and buses. It’s used by many of the top truck manufacturers, such as Freightliner, International, Peterbilt, Volvo and Mack.

For these reasons plus its ease of use – it has become one of the most popular transmissions for commercial applications. The Ram Truck brand offers several models that come with an Allison Transmission option including both gasoline engines (6.4L HEMI® V8 or 6.7L Cummins® Turbo Diesel I-6) and diesel engines (3.0L EcoDiesel V6 or 6.7L Cummins® Turbo Diesel I-6). So if you’re looking for a powerful but efficient pickup with smooth shifting capabilities then look no further than getting an Allison Transmission in your RAM today!

How Much Does an Allison Conversion Kit Cost?

The cost of an Allison conversion kit can vary greatly depending on the type and make of your vehicle, as well as the level of labor involved in the installation. Generally speaking, you should expect to pay anywhere between $3,000 and $7,000 for a complete conversion kit that includes all necessary hardware. However, if you are looking to install the kit yourself or just need some parts replaced then you could find kits ranging from around $1,500 up to $4,500 or more.

The price also varies based on whether you purchase new parts or used parts from eBay or other online retailers. In addition to paying for the conversion kit itself there will likely be additional costs associated with having it installed such as labor costs which can range significantly depending on who is doing the work and what type of vehicle is being converted. With all these factors in mind it’s always best to shop around and compare prices so that you get a good deal on your Allison conversion kit.


Overall, it is possible to put an Allison transmission on a Cummins engine. However, due to the differences in design between the two parts, some modifications may need to be made in order for the installation to be successful. It is important to research any challenges that may arise from this combination before beginning and make sure all necessary adjustments are accounted for.

With proper preparation and planning, you can successfully install an Allison transmission onto your Cummins engine without issue.


  • Alex Gearhart

    Alex Gearhart, an automotive expert specializing in transmissions, has over a decade of hands-on industry experience. With extensive knowledge in manual and automatic systems, Alex is passionate about educating car enthusiasts on vehicle maintenance. As the chief author at, Alex simplifies complex concepts for readers, helping them make informed decisions about their vehicles. Outside of work, Alex enjoys road trips, restoring classic cars, and exploring new automotive technologies.

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