Product Description
The ATS 309-813-4248 Stage 1 Allison LCT1000 Transmission Package is a reliable, heavy-duty upgrade for 2001–2002 6.6L LB7 Duramax trucks equipped with a 2WD drivetrain and PTO capability. Designed as a strengthened replacement for the factory Allison transmission, this package improves durability, shift quality, and overall performance while maintaining excellent drivability for daily use and towing applications.
This Stage 1 transmission is ideal for stock to mildly modified trucks, addressing common factory weaknesses while providing increased clutch holding capacity and improved internal components. The included PTO provision ensures compatibility with work trucks and auxiliary equipment, making it a perfect solution for both commercial and personal use.
ATS builds this transmission to deliver long-term reliability under load, making it a dependable upgrade for towing, hauling, and everyday driving without sacrificing smooth operation.
FAQ
Q: What is the difference between Stage 1 and higher ATS stages?
A: Stage 1 is designed for stock and mildly modified trucks, focusing on improved reliability and longevity, while higher stages are built for extreme horsepower and performance applications.
Q: Does this transmission support PTO functionality?
A: Yes, this unit is equipped with PTO (Power Take-Off) capability, making it ideal for work trucks and utility applications.
Q: Is this good for towing?
A: Absolutely. This transmission is designed to improve durability and performance under towing and hauling conditions.
Q: Does it include a torque converter?
A: Yes, this package includes a high-quality ATS torque converter matched for optimal performance and efficiency.
Fitment
- 2001 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (2WD)
- 2001 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (2WD)
- 2002 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (2WD)
- 2002 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (2WD)
Key Features
- Designed for stock to mildly modified Duramax trucks
- Improved clutch capacity over factory transmission
- Enhanced durability for towing and daily driving
- PTO (Power Take-Off) compatible
- Includes ATS torque converter
- Improved shift quality and transmission longevity
- Direct replacement with upgraded internals
Specifications for ATS 309-813-4248
| Specification | Details |
|---|---|
| Part Number | 309-813-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 1 |
| Drivetrain | 2WD |
| PTO Provision | Yes |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2001 - 2002 |
| Recommended Power Level | Stock to Mildly Modified |
| Torque Capacity | Improved Over Stock |
| Shipping Weight | Approximately 350-400 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 |
