ATS 309-963-4332 Stage 6 LCT1000 6 Speed Package | 2008-2010 GM Silverado/Sierra 2500HD/3500HD 2WD with PTO

Features:

• Fits 2008–2010 GM 2500HD/3500HD 2WD trucks
• Compatible with LMM Duramax diesel engines
• Includes ATS Extreme LCT1000 6-speed transmission
• 5 Star Viskus Clutch Drive torque converter included
• Billet input and output shafts for added strength
• Billet flex plate for maximum durability
• Extra deep transmission pan for better cooling
• Built for high horsepower and heavy load handling
• Ideal for PTO-equipped vehicles and commercial use
• Engineered with proprietary ATS transmission upgrades
• Designed to outperform factory Allison transmission
• Shipping surcharge of $500 applies at checkout

Make Your Duramax Feel Unstoppable Under Load

If you're building a serious 2008–2010 GM 2WD Duramax truck that needs to handle big power, heavy hauling, or PTO-driven equipment, the ATS Stage 6 LCT1000 Package is the transmission upgrade built to take the abuse. This isn’t just a rebuild, it’s a complete transformation of your drivetrain, ready for real-world punishment with no compromise on drivability. The included ATS 5 Star Viskus Clutch Drive torque converter delivers smooth, controlled engagement while transferring serious torque to the ground. The billet flex plate, input shaft, and output shaft all ensure that no weak links remain, even under high-stress conditions. You also get an extra deep transmission pan that improves cooling and fluid capacity, which is key when the miles are long and the loads are heavy. If you’re running a truck for work, play, or both, and need something more durable than what the factory ever dreamed of, this Stage 6 setup delivers the peace of mind and power you’re after. It's everything you need in a premium package—designed to last and perform.

Engineered To Withstand The Demands Of PTO And High Torque Loads

The ATS 309-963-4332 Stage 6 LCT1000 6-Speed Transmission Package is built for 2008–2010 GM 2500HD and 3500HD 2WD trucks with the LMM Duramax engine, specifically those requiring PTO compatibility. This package includes ATS’s Extreme LCT1000 transmission, which features multiple proprietary internal upgrades designed to reinforce every critical point in the transmission assembly. At the heart of the system is the ATS 5 Star Viskus Clutch Drive torque converter, engineered for strong lockup under heavy load without compromising smooth engagement. Reinforced with a billet input shaft, billet output shaft, and billet flex plate, this package ensures durability under extended torque demands and frequent PTO usage. The extra deep pan allows increased fluid capacity, which helps manage transmission temperatures and prolong service intervals. This transmission setup is ideal for both commercial applications and high-performance builds, offering the confidence to handle everything from fleet work to high-powered daily driving. It’s a complete solution designed with long-term performance and reliability in mind.

Fits: 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 2WD with PTO

Notes:

• Designed for 2008–2010 GM 2500HD/3500HD 2WD trucks with LMM Duramax engine
• Specifically built for PTO-equipped applications
• Includes ATS-built LCT1000 6-speed automatic transmission
• Features proprietary internal upgrades for durability and performance
• ATS 5 Star Viskus Clutch Drive torque converter included
• Comes with billet input and output shafts for extreme strength
• Billet flex plate adds further drivetrain reliability
• Extra deep pan increases transmission fluid capacity and cooling
• Ideal for heavy-duty, commercial, or high-performance use
• $500 shipping surcharge will be added at checkout