Product Description
The ATS 309-815-4272 Stage 1 Allison LCT1000 Transmission Package is a dependable upgrade for 2003–early 2004 6.6L LB7 Duramax trucks equipped with 4WD and PTO functionality. Designed as a heavy-duty replacement for the factory Allison transmission, this package improves reliability, clutch holding capacity, and overall transmission lifespan without sacrificing drivability.
Ideal for work trucks, towing applications, and daily drivers, the Stage 1 transmission addresses common factory wear issues while maintaining smooth shifting characteristics. With upgraded internal components and improved clutch materials, this transmission is built to handle increased stress compared to stock while supporting light performance upgrades.
This package is perfect for truck owners looking for a stronger-than-stock transmission solution with PTO capability, making it ideal for commercial and utility applications.
FAQ
Q: What is the purpose of a Stage 1 transmission?
A: Stage 1 is designed as a reinforced stock replacement, improving durability and reliability without targeting extreme horsepower levels.
Q: Does this transmission support PTO?
A: Yes, this unit is specifically built with PTO (Power Take-Off) capability for commercial and work truck applications.
Q: Is this good for towing?
A: Yes, it is ideal for towing and daily use, offering improved clutch strength and heat resistance over stock.
Q: What power level can this handle?
A: This transmission is designed for stock to mildly modified trucks and is not intended for extreme horsepower builds.
Fitment
- 2003 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- 2003 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- Early 2004 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- Early 2004 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (4WD)
Key Features
- Heavy-duty stock replacement transmission
- Improved clutch materials for increased durability
- Enhanced torque capacity over factory transmission
- Maintains smooth OEM-like shifting
- PTO (Power Take-Off) compatible
- Designed for towing, work trucks, and daily driving
- 4WD configuration
Specifications for ATS 309-815-4272
| Specification | Details |
|---|---|
| Part Number | 309-815-4272 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 1 |
| Drivetrain | 4WD |
| PTO Compatible | Yes |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2003 - Early 2004 |
| Horsepower Rating | Stock to Mild Performance |
| Torque Capacity | Improved 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 |
