ATS 309-813-4362 Stage 1 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 2WD

Features:

• Fits 2011-2016 2WD LML Duramax trucks
• Includes ATS Five Star Torque Converter
• Deep pan increases fluid capacity and cooling
• Built for towing and heavy-duty applications
• Compatible with PTO-equipped drivetrains
• Reinforced internals for added reliability
• Improves torque delivery and shift consistency
• Ideal upgrade from factory transmission
• Designed for better temperature regulation
• Engineered to handle higher horsepower loads
• Precision-built to OE and performance specs
• Requires $500 shipping surcharge at checkout

Take The Guesswork Out Of Daily Hauling Demands

If you’re ready to stop second-guessing your transmission every time you hitch up a trailer, the ATS Stage 1 Allison LCT1000 is the upgrade your truck needs. Built for serious towing and everyday work demands, this transmission package is perfect for Duramax owners who want durability without the stress of overbuilding. ATS gives you peace of mind by combining proven performance upgrades like their Five Star torque converter and a deep transmission pan that keeps things running cooler under load. Whether you're towing across town or down a long highway stretch, you’ll feel the difference in how smoothly and confidently your truck handles the job. It’s also a great way to get better throttle response and shift consistency, especially when your stock transmission starts showing signs of wear. If you use your truck to make a living, it’s time to rely on a setup that was built to take a beating and still show up for work the next day. This isn't a flashy upgrade, it’s a smart investment in uptime and confidence behind the wheel.

Proven Components Engineered For Practical Performance Gains

At the heart of this package is ATS's upgraded Allison LCT1000 transmission, custom-built to meet the needs of 2WD 2011-2016 GM Duramax LML trucks with PTO configurations. This transmission includes the ATS Five Star Torque Converter, designed to maximize torque multiplication and reduce slippage during acceleration and heavy towing. A deep cast aluminum pan increases fluid capacity for better thermal stability, which translates to extended transmission life and more consistent shift behavior in extreme conditions. Precision machining and reinforced internal components improve strength and durability under higher horsepower or torque demands, making this a solid fit for work trucks and modified setups alike. Designed as a direct-fit solution, this package retains factory compatibility while enhancing overall drivability and efficiency. The added PTO compatibility ensures it’s ready for auxiliary equipment on commercial or vocational trucks. Whether you’re upgrading due to wear or just planning ahead, this package brings performance and peace of mind together in one durable solution.

Fits: 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 2WD

Notes:

• Designed for 2011-2016 2WD GM trucks with PTO
• Compatible with 6.6L Duramax LML engines only
• Includes ATS Five Star Torque Converter
• Comes with ATS Deep Transmission Pan for cooling
• Ideal for trucks used in towing or work applications
• This is a Stage 1 performance transmission package
• Built for improved strength and thermal efficiency
• Transmission is a direct replacement for factory unit
• PTO provision supports auxiliary equipment needs
• $500 shipping surcharge applies at checkout
• Transmission core charge may apply depending on supplier
• Ensure compatibility with your truck’s driveline setup