Best Transmission Options for the 6.7 Cummins Engine 1

1. Understanding the 6.7 Cummins Engine

The 6.7 Cummins engine is a powerful and popular diesel engine that is commonly used in heavy-duty trucks and pickup trucks. Known for its durability and performance, it is important to pair this engine with the right transmission to maximize its capabilities. If you’re interested in learning more about the subject, link, to supplement your reading. Find valuable insights and new viewpoints to deepen your knowledge of the topic.

2. Stock Transmission

The stock transmission that comes with the 6.7 Cummins engine is a reliable option for most everyday driving needs. It is designed to handle the power output of the engine and provide smooth shifting. However, if you are looking to push the limits of your engine, you may need to consider aftermarket transmission options.

Best Transmission Options for the 6.7 Cummins Engine 2

3. Upgraded Automatic Transmission

For those looking to increase the towing capacity and overall performance of their 6.7 Cummins engine, upgrading to an aftermarket automatic transmission is a popular choice. These transmissions are built to handle higher torque and power outputs, making them ideal for heavy-duty applications such as towing or hauling heavy loads.

When choosing an upgraded automatic transmission, look for options that offer higher torque capacity, improved gear ratios, and better cooling capabilities. Some popular aftermarket brands for automatic transmissions include ATS, SunCoast, and BD Diesel Performance.

4. Manual Transmission Conversion

If you prefer the control and engagement of a manual transmission, you can opt for a manual transmission conversion for your 6.7 Cummins engine. This conversion involves replacing the stock automatic transmission with a manual transmission.

Manual transmissions offer a more direct connection between the engine and the wheels, resulting in improved control and responsiveness. They are also often preferred by those who enjoy off-roading or want a more engaging driving experience. Popular manual transmission options for the 6.7 Cummins engine include the G56 and the NV5600.

5. Dual Clutch Transmission

While not as common as automatic or manual transmissions, dual clutch transmissions (DCT) are gaining popularity among performance enthusiasts. DCTs offer lightning-fast gear shifts and seamless power delivery, making them ideal for high-performance applications.

However, finding a dual clutch transmission specifically designed for the 6.7 Cummins engine can be challenging. Most DCTs are designed for smaller engines and may not be able to handle the high torque output of the 6.7 Cummins. It is important to do thorough research and consult with transmission specialists before considering a dual clutch transmission for your 6.7 Cummins engine.


Choosing the best transmission for your 6.7 Cummins engine depends on your specific needs and preferences. While the stock transmission can handle most everyday driving tasks, upgrading to an aftermarket automatic transmission or opting for a manual transmission conversion can provide improved towing capacity and performance.

When considering any transmission upgrades or conversions, it is important to consult with experts and reputable transmission shops to ensure compatibility and proper installation. By choosing the right transmission for your 6.7 Cummins engine, you can unlock its full potential and enjoy a smoother and more powerful driving experience. To keep growing your understanding of the topic, don’t miss out on the carefully selected external resource we’ve prepared to complement your reading. best transmission for 5.9 cummins

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