Product Description
The ATS 309-813-4308 Stage 1 Allison LCT1000 Transmission Package is a reliable upgrade for 2006–2007 6.6L Duramax LLY, LBZ, and LMM trucks equipped with a 2WD drivetrain and PTO. Designed as a heavy-duty replacement for the factory Allison transmission, this package enhances durability, improves shift quality, and supports increased power levels for both work and daily driving applications.
Built with upgraded clutch materials, improved internal components, and ATS engineering expertise, the Stage 1 transmission provides increased torque capacity while maintaining smooth drivability. The included PTO compatibility makes it ideal for trucks running auxiliary equipment, work bodies, or commercial applications.
This package is perfect for stock to mildly modified trucks needing a dependable transmission solution that can handle towing, hauling, and everyday use without sacrificing longevity.
FAQ
Q: What is the difference between Stage 1 and higher ATS stages?
A: Stage 1 is designed for stock to mildly modified trucks, focusing on improved durability and reliability rather than extreme horsepower capacity.
Q: Is this transmission compatible with PTO systems?
A: Yes, this unit is specifically built with PTO (Power Take-Off) compatibility for work truck applications.
Q: Is this good for towing?
A: Absolutely. This transmission is ideal for towing and hauling, offering improved clutch holding capacity and better heat management than stock.
Q: Does this include a torque converter?
A: Yes, it includes an ATS performance torque converter designed to improve efficiency and power transfer.
Fitment
- 2006 Chevrolet Silverado 2500HD/3500HD 6.6L LLY / LBZ Duramax (2WD)
- 2006 GMC Sierra 2500HD/3500HD 6.6L LLY / LBZ Duramax (2WD)
- 2007 Chevrolet Silverado 2500HD/3500HD 6.6L LBZ / LMM Duramax (2WD)
- 2007 GMC Sierra 2500HD/3500HD 6.6L LBZ / LMM Duramax (2WD)
Key Features
- Designed for stock to mildly modified trucks
- Increased torque capacity over factory transmission
- Upgraded clutch materials for improved durability
- Smooth and reliable shift performance
- PTO (Power Take-Off) compatible
- ATS performance torque converter included
- Ideal for towing, hauling, and work truck use
Specifications for ATS 309-813-4308
| Specification | Details |
|---|---|
| Part Number | 309-813-4308 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 1 |
| Drivetrain | 2WD |
| PTO Compatibility | Yes |
| Engine Compatibility | 6.6L Duramax LLY / LBZ / LMM |
| Model Years | 2006 - 2007 |
| Recommended Power Level | Stock to Mild Performance Builds |
| Torque Capacity | Increased over stock |
| Shipping Weight | Approximately 400 lbs |
| Shipping Method | Freight (Core Charge Applies) |
| Warranty | 5 Year / 500,000 Mile Limited Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
