Part # 311-964-2302

ATS G56 4WD PERFORMANCE MANUAL TRANSMISSION FITS 2005.5-2007 5.9L CUMMINS 311-964-2302

$5,115.60

⚠ WARNING: Cancer & Reproductive Harm

California Proposition 65 Warning - P65warnings.ca.gov

ATS G56 Manual Transmission Assembly 2WD

Fitment: 2005½-2007 Dodge RAM 5.9L Cummins

The ATS G56 Manual Transmission Assembly is a robust 6-speed transmission designed for Dodge Ram 2500 and 3500 trucks with the 5.9L Cummins engine. Introduced in mid-2005, the G56 serves as a significant upgrade over its predecessor, the NV5600, offering smoother shifts and improved durability under heavy loads and towing.



  • 6-Speed Manual Transmission: Optimized for towing and high-torque applications.
  • Overdrive Gear Ratio: .79:1 for improved fuel efficiency at highway speeds.
  • Durable Construction: Designed to handle the demanding torque output of the Cummins engine.
  • Improved Shifting: Enhanced shift quality and gear engagement over the NV5600 transmission.
  • Increased Reliability: Built to withstand the rigors of heavy-duty use.

The ATS G56 Manual Transmission Assembly is an ideal solution for Dodge Ram 2500 and 3500 truck owners seeking to upgrade their factory transmission. First introduced in mid-2005, the G56 transmission replaced the NV5600, offering superior performance and durability. It features a 6-speed manual setup that is well-suited for the high torque output of the 5.9L Cummins engine, making it perfect for towing, hauling, and heavy-duty applications.

PART # 311-964-2302
UPC # 311-964-2302-FSMF

One of the key benefits of the G56 transmission is its improved overdrive gear ratio of .79:1. This gearing ensures better fuel economy at highway speeds, allowing for more efficient driving. The G56 also offers smoother gear shifts and stronger components compared to the NV5600, providing enhanced reliability over long distances and under demanding conditions.

Constructed with durability in mind, the G56 is designed to withstand high-torque loads, ensuring that your truck can handle the toughest tasks with ease. Whether you're towing heavy trailers or using your truck for daily driving, the G56 transmission delivers reliable performance and longevity.


Key Features:

  • 6-Speed Manual Transmission: Ideal for heavy-duty and towing applications.
  • Enhanced Durability: Built to withstand the torque of the 5.9L Cummins engine.
  • Overdrive Gear Ratio: .79:1 for fuel efficiency on highways.
  • Upgraded Shifting Mechanism: Smoother and more reliable gear engagement.

Important Notes:

  • Designed for 2WD applications.
  • Professional installation is recommended for optimal performance and reliability.
311-964-2302

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Contact us