ATS Diesel Manual Transmission

2004–2010 Dodge Ram 2500 / Ram 3500 4WD G56 Manual Transmission

3119642302

Overview:

The ATS Diesel Manual Transmission is a robust, direct-fit replacement designed specifically for Dodge Ram 2500 and Ram 3500 trucks from 2004 through 2010 equipped with the 4WD G56 manual transmission. Engineered to meet the demanding needs of diesel truck enthusiasts and professionals alike, this transmission offers enhanced durability and reliable shifting performance under heavy loads and challenging conditions.

Ideal for those seeking to maintain or upgrade their factory manual transmission, the ATS Diesel unit ensures compatibility with a wide range of Ram 2500 and 3500 trims including Laramie, SLT, Sport, ST, SXT, TRX, and TRX4 models. This transmission supports the rigorous requirements of towing, hauling, and off-road applications, providing confidence and longevity for your diesel-powered truck.

Key Features:

Built with precision and quality in mind, the ATS Diesel Manual Transmission delivers superior performance and reliability. Key features include:

• Direct-fit replacement for Dodge Ram 2500 and 3500 4WD G56 manual transmissions from 2004 to 2010
• Compatible with multiple trim levels including Laramie, SLT, Sport, ST, SXT, TRX, and TRX4
• Engineered for heavy-duty diesel applications, ensuring durability under high torque and load
• Precision-machined gears and shafts for smooth, consistent shifting
• High-quality bearings and synchronizers to reduce wear and extend service life
• Designed to maintain factory shift feel and performance characteristics
• Corrosion-resistant finishes for enhanced longevity in harsh environments
• Tested to meet or exceed OEM specifications for fitment and function

Construction & Design:

The ATS Diesel Manual Transmission is constructed using premium-grade materials selected for strength and durability. The internal components, including gears and shafts, are precision-machined from hardened steel to withstand the high torque output typical of diesel engines. The transmission housing is engineered to provide structural rigidity while resisting wear and corrosion.

Advanced synchronizer technology ensures smooth gear engagement, reducing driver fatigue and minimizing transmission wear. Every unit undergoes rigorous quality control and testing to guarantee reliable operation and long service life, making it a trusted choice for both daily drivers and heavy-duty users.

Installation & Fitment:

This transmission is designed as a direct replacement for the Dodge Ram 2500 and 3500 models equipped with the 4WD G56 manual transmission from 2004 to 2010. Installation typically requires no modifications, allowing for a straightforward swap using existing mounting points and linkages. Professional installation is recommended to ensure proper alignment, fluid fill, and adjustment for optimal performance.

Compatibility covers a broad range of trims including Laramie, SLT, Sport, ST, SXT, TRX, and TRX4, ensuring a precise fit and seamless integration with your vehicle’s drivetrain.

What's Included:

• ATS Diesel Manual Transmission assembly
• Seals and gaskets necessary for installation
• Installation hardware as required
• Detailed installation instructions

Ideal For:

This transmission is ideal for Dodge Ram 2500 and 3500 owners seeking a reliable, heavy-duty manual transmission solution that matches or exceeds OEM quality. It suits diesel truck enthusiasts, fleet operators, and anyone requiring a durable transmission capable of handling demanding towing, hauling, and off-road conditions without sacrificing shift quality or reliability.

ATS Diesel Performance builds diesel upgrade solutions engineered for higher torque, towing confidence, and competition-level durability. Best known for performance-built transmissions, ATS also offers turbochargers, exhaust and fuel system components, and other supporting parts designed to handle heavy loads and elevated power on modern diesel trucks.