ATS 309-865-4248 Stage 6 Allison LCT1000 Crate Transmission | 2001-2002 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7 PTO 4WD

Features:

• Designed for 2001–2002 LB7 Duramax engines
• Built for 4WD trucks with PTO compatibility
• Includes billet input, output, and intermediate shafts
• ATS Five Star torque converter included
• Deep transmission pan improves cooling capacity
• ATS Co-Pilot controller for smarter shifting
• Billet P2 carrier and billet C2 hub included
• Modified P1 sun gear adds gear strength
• Perfect for high torque and tuned builds
• Crate transmission ships fully assembled
• Ideal for towing and heavy-duty performance
• $500 shipping surcharge applies at checkout

Put New Life Into Your LB7 The Right Way

If your 2001–2002 LB7 Duramax has been feeling tired under the strain of heavy loads or extra power, it might be time to replace your transmission with something that can truly keep up. The ATS Stage 6 Allison LCT1000 Crate Transmission is a complete performance solution for trucks that need more than just a factory replacement. Whether you're towing, tuned, or just tired of babying your stock setup, this transmission gives you the confidence to push your truck the way it was meant to be driven. With a built-in ATS Five Star torque converter, a deep pan for added cooling, and the Co-Pilot controller to manage shifting and pressure, everything works in sync to keep your power planted and your shifts clean. From job site duty to weekend road trips, this setup offers the strength and smoothness you want without cutting corners. It’s fully assembled, built to last, and designed to install directly into your PTO-equipped 4WD truck. When it comes to performance and peace of mind, this is the upgrade your LB7 deserves.

Strength And Control Built Into Every Component

The ATS 309-865-4248 Stage 6 Crate Transmission is engineered specifically for 2001–2002 GM 2500HD and 3500HD models equipped with the 6.6L LB7 Duramax and a 4WD PTO configuration. Internally, it’s loaded with billet input, output, and intermediate shafts to reinforce the transmission against high torque loads and frequent towing stress. It also includes a billet P2 carrier and billet C2 hub, paired with a modified P1 sun gear, which helps optimize power transfer and gear durability under strain. The included ATS Five Star torque converter enhances torque multiplication and maintains low slippage, offering more efficient performance whether stock or tuned. The deep transmission pan increases fluid capacity and promotes better thermal management, especially critical in long-haul or high-load conditions. The ATS Co-Pilot transmission controller manages shift firmness and pressure in real time, protecting clutch packs and maintaining shift consistency. This crate transmission is a complete drop-in unit, ready to deliver factory fitment with race-proven strength. Built for those who demand both durability and drivability, it’s a solid foundation for serious diesel performance.

Fits: 2001, 2002 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7 PTO 4WD

Notes:

• Designed specifically for 2001–2002 6.6L LB7 Duramax engines
• Fits GM Silverado and Sierra 2500HD/3500HD 4WD models with PTO
• Transmission ships as a fully assembled crate package
• Includes ATS Co-Pilot transmission controller for adaptive shift control
• ATS Five Star torque converter and deep pan included in the package
• Upgraded billet internal components enhance durability and torque handling
• Ideal for towing, tuning, and heavy-duty driving conditions
• Crate transmission is a direct replacement, no core required
• Professional installation is recommended for best performance
• A $500 shipping surcharge will be applied at checkout