Product Description
The ATS 309-843-4332 Stage 4 Allison LCT1000 Transmission Package with PTO capability is a high-performance upgrade designed for 2007.5–2010 6.6L LMM Duramax trucks. Built for serious towing, work applications, and moderate-to-high horsepower builds, this 2WD transmission package delivers superior strength, reliability, and control compared to the factory Allison.
Engineered with upgraded clutch packs, reinforced internal components, and precision calibration, the Stage 4 transmission provides increased torque capacity and improved shift performance. The inclusion of a PTO (Power Take-Off) provision makes this unit ideal for commercial, utility, and work truck applications that require auxiliary equipment operation.
Paired with the ATS Five Star torque converter and deep transmission pan, this package enhances power transfer, reduces heat, and ensures long-term durability under heavy loads and demanding conditions.
FAQ
Q: What is the advantage of a PTO transmission?
A: A PTO (Power Take-Off) allows you to run external equipment such as hydraulic pumps, making it ideal for work trucks and commercial applications.
Q: How does Stage 4 compare to Stage 5?
A: Stage 4 is built for high-performance towing and moderate horsepower, while Stage 5 is designed for extreme horsepower and competition-level builds.
Q: Is this transmission suitable for towing?
A: Yes, it is specifically designed for heavy towing and work applications with improved durability and cooling.
Q: Does this include a torque converter?
A: Yes, it includes the ATS Five Star torque converter for optimal performance and efficiency.
Fitment
- 2007.5 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2008 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2009 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2007.5 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2008 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2009 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
Key Features
- Designed for high-performance towing and work applications
- Increased torque capacity over stock
- Upgraded clutch packs and internal components
- PTO (Power Take-Off) capability for auxiliary equipment
- ATS Five Star torque converter included
- Deep transmission pan for improved cooling
- Improved shift quality and durability
- Ideal for commercial, towing, and performance use
Specifications for ATS 309-843-4332
| Specification | Details |
|---|---|
| Part Number | 309-843-4332 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 4 |
| Drivetrain | 2WD |
| PTO Capability | Yes |
| Engine Compatibility | 6.6L Duramax LMM |
| Model Years | 2007.5 - 2010 |
| Torque Capacity | Up to 150% 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 |
