Features:
- Fits 2011-2016 6.6L LML Duramax 4WD
- Includes ATS performance-built LCT1000 transmission
- Comes with ATS Five Star torque converter
- Includes ATS deep transmission pan
- Features ATS Co-Pilot transmission controller
- Designed for PTO-equipped trucks
- Improves transmission strength and durability
- Ideal for towing and high-power builds
- Complete crate transmission package
- Engineered for heavy-duty diesel applications
Built to Handle What Your Duramax Throws at It
If you’re running a tuned or heavily worked 2011–2016 Duramax 2500HD or 3500HD with 4WD and PTO, the ATS Stage 2 Allison LCT1000 Crate Transmission is the upgrade you need to keep your truck performing under pressure. This package is designed to replace your factory transmission with a fully built unit that’s ready for towing, hauling, or serious power upgrades. It comes complete with ATS’s proven Five Star torque converter, engineered to deliver better power transfer and improved low-speed drivability. You’ll also get ATS’s deep transmission pan, which helps control fluid temperatures during long pulls or heavy use, giving your transmission the cooling advantage it needs to last longer and work harder.
Confidence-Boosting Control with ATS Co-Pilot
What makes this package even more effective is the included ATS Co-Pilot Transmission Controller. This advanced system manages converter lock-up and shift timing to reduce wear and maximize efficiency, especially when you’re under load. Whether you’re hauling equipment, towing a trailer, or pushing extra power through your LML Duramax, this package helps your truck stay smooth and reliable. It’s designed specifically for PTO-equipped models, making it a perfect solution for work trucks or recreational builds that need real-world durability. Just keep in mind, this package ships via freight, and a $500 shipping charge will be added at checkout.
Fits: 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD
Includes:
- ATS 4WD w/ PTO 2011-2016 Allison LCT1000 Performance Transmission
- ATS Allison LCT1000 Five Star Torque Converter (302-950-4368)
- ATS Allison LCT1000 Deep Transmission Pan (301-900-4248)
- ATS Co-Pilot Transmission Controller (601-924-4368)
Note: $500 Shipping surcharge will be added at checkout
ATS 309-825-4362 Stage 2 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD
ATS Diesel Performance
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MSRP:
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$6,538.95
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ATS Diesel Performance
ATS 309-825-4362 Stage 2 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD
- SKU:
- ATS309-825-4362
- UPC:

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ATS Diesel Performance
ATS 309-835-4362 Stage 3 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD
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ATS Diesel Performance
ATS 309-855-4362 Stage 5 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD
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$8,576.95

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ATS Diesel Performance
ATS 309-845-4362 Stage 4 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML PTO 4WD
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ATS Diesel Performance
ATS 309-824-4362 Stage 2 Allison LCT1000 Crate Transmission | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML 4WD
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MSRP:
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$6,538.95

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