Product Description
The ATS 309-815-4248 Stage 1 Allison LCT1000 Transmission Package is the ideal upgrade for 2001–2002 6.6L LB7 Duramax trucks requiring improved reliability and performance over the stock transmission. Designed as a heavy-duty replacement, this 4WD transmission with PTO capability strengthens factory weak points while maintaining excellent drivability for daily use and towing.
This Stage 1 package is perfect for stock to mildly modified trucks, offering increased clutch holding capacity, improved shift quality, and enhanced durability. Built with ATS’s precision engineering, it delivers dependable performance for work trucks, tow rigs, and daily drivers without sacrificing smooth operation.
Whether you're replacing a failing transmission or upgrading for added confidence under load, this ATS package ensures long-lasting performance and reliability.
FAQ
Q: What is the purpose of a Stage 1 transmission?
A: Stage 1 is designed to improve durability and reliability over stock, making it ideal for daily driving and towing with stock or lightly modified trucks.
Q: Does this transmission support PTO operation?
A: Yes, this model includes PTO (Power Take-Off) capability for work truck applications.
Q: Is this good for towing?
A: Absolutely. It is built to handle towing demands better than stock with improved clutch holding capacity and cooling performance.
Q: Does this include a torque converter?
A: Yes, it includes an ATS performance torque converter designed to improve efficiency and power transfer.
Fitment
- 2001 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- 2001 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- 2002 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- 2002 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (4WD)
Key Features
- Heavy-duty replacement Allison LCT1000 transmission
- Designed for stock to mildly modified trucks
- Increased clutch capacity over stock
- Improved shift quality and reliability
- Includes ATS performance torque converter
- PTO (Power Take-Off) compatible
- Ideal for towing and daily driving applications
- Built for long-term durability and performance
Specifications for ATS 309-815-4248
| Specification | Details |
|---|---|
| Part Number | 309-815-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 1 |
| Drivetrain | 4WD |
| PTO Compatibility | Yes |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2001 - 2002 |
| Recommended Power Level | Stock to Mildly Modified |
| 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 |
