ATS 309-865-4362 Stage 6 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD

Features:

• Built for 2011–2016 LML Duramax trucks
• Includes billet input, output, and intermediate shafts
• Features ATS Five Star torque converter
• Comes with deep ATS transmission pan
• Includes ATS Co-Pilot transmission controller
• Reinforced with billet P2 carrier and C2 hub
• Modified P1 sun gear for added durability
• Engineered for towing and high-performance use
• Compatible with PTO-equipped 4WD models
• Designed for heavy-duty and tuned applications
• Crate transmission ready for drop-in installation
• $500 shipping surcharge applies at checkout

Built To Handle Everything You Throw At It

If your LML Duramax is built to work hard and play even harder, you need a transmission that won’t back down. The ATS Stage 6 Allison LCT1000 Crate Transmission gives your 2011–2016 Silverado or Sierra 2500HD/3500HD the strength and control it’s been missing. Whether you’re hauling a trailer up steep grades or tuned for serious performance on the weekends, this complete package delivers smooth, confident shifts with all the muscle to back it up. It includes ATS’s Five Star torque converter, a deep transmission pan, and the Co-Pilot transmission controller, all working together to give you a more responsive, more reliable driveline. Every shift feels tighter and more purposeful, especially under load. You won’t just feel the difference on paper, you’ll feel it in the way your truck pulls, tows, and takes off from a stop. This isn’t just a transmission replacement, it’s a full upgrade designed for trucks that don’t know the meaning of easy.

Engineered From The Pan Up For Serious Performance

The ATS 309-865-4362 Stage 6 Allison LCT1000 Transmission is built for 4WD, PTO-equipped GM trucks running the 6.6L LML Duramax between 2011 and 2016. This crate transmission includes upgraded billet input, output, and intermediate shafts, all designed to eliminate common failure points under high torque or towing conditions. The inclusion of a billet P2 carrier, billet C2 hub, and a modified P1 sun gear further reinforce the internal rotating assembly, making it capable of handling significantly more stress than stock components. The ATS Five Star torque converter delivers precise torque multiplication with low slippage, while the deep transmission pan increases fluid capacity and helps manage heat during heavy-duty use. The Co-Pilot controller adds intelligent line pressure control, reducing clutch wear and optimizing shift timing based on driving conditions. It’s a package tailored to keep your transmission cool, strong, and consistent under real-world pressure. For serious diesel owners pushing their trucks beyond factory limits, this transmission is built to keep up every mile of the way.

Fits: 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD

Notes:

• Designed for 2011–2016 GM 6.6L LML Duramax engines
• Fits Silverado and Sierra 2500HD/3500HD 4WD models with PTO
• Transmission ships fully assembled and ready for installation
• Includes ATS Five Star torque converter and Co-Pilot controller
• Built with billet shafts and upgraded internal components
• Ideal for high horsepower, towing, and performance builds
• Requires supporting modifications for optimal performance
• Deep transmission pan improves cooling and fluid capacity
• Crate transmission is designed for direct replacement
• $500 shipping surcharge applies at checkout