ATS 309-815-4248 Stage 1 Allison LCT1000 Crate Transmission | 2001-2002 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7 PTO 4WD

Features:

• Fits 2001-2002 GM 2500HD and 3500HD
• Designed for 6.6L Duramax LB7 engines
• 4WD transmission with PTO compatibility
• Includes ATS Five Star torque converter
• Performance-built Allison LCT1000 transmission
• Deep transmission pan improves fluid cooling
• Ideal for towing and heavy-duty applications
• Built for enhanced reliability and longevity
• Supports higher torque transfer than stock
• Direct replacement for factory transmission
• Engineered for smoother and stronger shifts
• $500 shipping surcharge applies at checkout

Make Your Transmission Work As Hard As You Do

If you're pushing your LB7-powered truck through serious workdays or weekend hauls, a stock transmission can only take so much before it starts to show its limits. That’s where the ATS Stage 1 Allison LCT1000 Crate Transmission steps in. It’s built to handle more torque, better heat control, and provide smoother shifting under load, whether you’re towing heavy or just want better durability for everyday driving. With the included Five Star Torque Converter and deep transmission pan, you’re getting a package that’s engineered to last and built to perform. This isn't just a replacement, it's an upgrade you can feel every time you hit the throttle. It’s designed for guys who rely on their trucks and want peace of mind under the hood. If you’ve been thinking about doing the job once and doing it right, this is the kind of investment that pays off mile after mile.

Built To Handle More Torque With Less Stress

The ATS Stage 1 Crate Transmission package delivers a refined yet rugged drivetrain solution for your 2001-2002 LB7 Duramax 4WD truck. At the core is a performance-built Allison LCT1000 transmission, matched with ATS’s Five Star Torque Converter to improve torque transfer efficiency while minimizing slip. The upgraded deep transmission pan provides added fluid capacity and better cooling, reducing the risk of overheating in demanding conditions. This unit is designed with PTO compatibility in mind, making it a great fit for trucks used in commercial or heavy-duty applications. Every component is engineered to factory-matching fitment, ensuring straightforward installation while offering a noticeable step up in durability and shift quality. Whether you’re looking to tow, haul, or just restore lost performance, this transmission brings reliable upgrades without requiring a full race setup. It’s a practical solution for daily drivers who still demand something stronger than stock.

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

Notes:

• Designed specifically for 2001-2002 4WD LB7 Duramax trucks with PTO
• Includes performance-built Allison LCT1000 transmission
• Comes with ATS Five Star Torque Converter for improved torque handling
• Includes ATS deep transmission pan for increased fluid capacity and better cooling
• Intended as a Stage 1 upgrade over stock, not a stock replacement
• PTO compatibility makes it suitable for commercial or utility applications
• Built for improved durability and reduced transmission slip under load
• Professional installation is strongly recommended for best performance
• $500 shipping surcharge will be applied at checkout
• Ideal for light towing, hauling, and enhanced daily drivability
• Not designed for high-performance racing applications
• Check transmission build date and compatibility before ordering