ATS 309-812-4332 Stage 1 Allison LCT1000 Crate Transmission | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM 2WD

Features:

• Includes ATS Stage 1 performance transmission
• Built for 2007.5–2010 Duramax LMM 2WD trucks
• Comes with ATS Five Star torque converter
• Includes ATS deep transmission pan
• Upgraded internal components for higher strength
• Designed for stock to mild performance upgrades
• Improves towing capabilities and shift quality
• Reduces heat with increased fluid capacity
• Enhances overall transmission durability and lifespan
• Built and tested in the USA by ATS Diesel
• Ideal for daily drivers and work trucks
• Professional installation is highly recommended

Make Every Shift Count When Your Truck Is On The Move

When you put your Duramax to work, you need a transmission that can handle real-world demands without giving you headaches down the road. The ATS Stage 1 Allison LCT1000 Crate Transmission is a serious upgrade that transforms your 2007.5–2010 Silverado or Sierra 2WD into a more capable, confident machine. Built for those who tow heavy, daily drive hard, or simply demand more durability, this package delivers smoother shifts, better throttle response, and stronger overall drivability. It comes with ATS’s Five Star torque converter to help maximize power transfer while minimizing slippage under load. A deep transmission pan is also included to help control temperatures when you are pushing your truck harder than stock ever intended. Whether you are pulling a trailer up a mountain or hauling gear across long distances, this transmission is built to deliver strength and reliability. If you are serious about making sure your truck stays strong no matter the job, this is the upgrade that brings peace of mind with every mile.

Engineered For Towing Performance And Long Term Durability

The ATS 309-812-4332 Stage 1 Transmission package is purpose-built for 2007.5–2010 GM 2500HD and 3500HD trucks equipped with the 6.6L Duramax LMM engine and a two-wheel drive configuration. At the heart of the package is a performance-upgraded Allison LCT1000 transmission featuring reinforced clutch packs and optimized shift programming to handle added torque from towing or mild tuning. The ATS Five Star torque converter improves torque multiplication and minimizes slippage, ensuring a smoother transfer of power when hauling heavy loads or driving under demanding conditions. To help manage heat, the included deep transmission pan increases fluid capacity and promotes better cooling, critical for trucks that see frequent work or long-haul use. This transmission setup is designed for owners who want improved durability and performance without sacrificing everyday drivability. Built and tested in the USA by ATS Diesel, each component is crafted to deliver dependable performance mile after mile. It is a complete solution for anyone looking to increase the reliability and capability of their Duramax drivetrain.

Fits: 2007, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM 2WD

Notes:

• Designed specifically for 2007.5–2010 GM 2500HD and 3500HD trucks with the 6.6L Duramax LMM engine and 2WD configuration.
• Includes ATS Stage 1 transmission, Five Star torque converter, and deep transmission pan.
• Recommended for stock or mildly tuned engines used in towing, hauling, or daily driving applications.
• Not intended for extreme performance or racing applications.
• Torque converter helps improve low-end torque delivery and reduces slippage under load.
• Deep pan increases fluid capacity and assists with heat dissipation during extended use.
• Transmission may shift more firmly than stock depending on load and tuning.
• Professional installation is strongly advised for proper operation and warranty compliance.
• All components are built and tested in the USA by ATS Diesel for quality and long-term reliability.
• A $500 shipping surcharge will be applied at checkout and is not included in the product price.