Product Description
The ATS 309-813-4272 Stage 1 Allison LCT1000 Transmission Package is a reliable upgrade for 2003–early 2004 6.6L LB7 Duramax trucks equipped with a 2WD drivetrain and PTO functionality. Designed as a performance-enhanced replacement for the factory transmission, this package improves durability, shift quality, and overall drivability while maintaining near-stock characteristics.
This Stage 1 transmission is ideal for daily drivers, work trucks, and light towing applications where improved reliability is needed without stepping into extreme performance builds. Featuring upgraded clutch materials, improved internal components, and ATS engineering, it corrects common factory weaknesses while retaining smooth operation.
Equipped with PTO capability, this transmission is perfect for trucks running auxiliary equipment, making it a dependable solution for both commercial and personal use.
FAQ
Q: What is the benefit of a Stage 1 ATS transmission?
A: It provides improved reliability and durability over stock while maintaining smooth, factory-like shifting characteristics.
Q: Is this transmission suitable for towing?
A: Yes, it is designed for light to moderate towing and daily driving applications.
Q: Does this unit support PTO functionality?
A: Yes, this transmission is specifically built with PTO (Power Take-Off) capability for work truck applications.
Q: Is a torque converter included?
A: Yes, this package includes a matched ATS torque converter designed for improved efficiency and durability.
Fitment
- 2003 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (2WD w/ PTO)
- 2003 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (2WD w/ PTO)
- Early 2004 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (2WD w/ PTO)
- Early 2004 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (2WD w/ PTO)
Key Features
- Improved durability over factory transmission
- Enhanced clutch materials for longer service life
- Smooth, factory-like shift quality
- Includes ATS torque converter
- PTO (Power Take-Off) compatible
- Ideal for daily driving and work truck applications
- Designed for light towing and stock to mildly upgraded trucks
Specifications for ATS 309-813-4272
| Specification | Details |
|---|---|
| Part Number | 309-813-4272 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 1 |
| Drivetrain | 2WD |
| PTO Compatibility | Yes |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2003 - Early 2004 |
| Application | Daily Driving / Light Towing / Work Truck |
| Torque Converter | Included |
| 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 |
