Product Description
The ATS 309-825-4332 Stage 2 Allison LCT1000 Transmission Package is a high-performance upgrade designed for 2007.5–2010 6.6L LMM Duramax trucks equipped with 4WD and PTO functionality. Built to eliminate factory transmission weaknesses, this package delivers increased durability, improved shift quality, and enhanced torque capacity for both work and performance applications.
Perfect for daily drivers, towing, and mildly modified trucks, the Stage 2 transmission features upgraded clutch packs, improved internal components, and ATS engineering to ensure reliability under increased load. The inclusion of PTO compatibility makes this an ideal solution for work trucks requiring auxiliary power while maintaining superior transmission performance.
This transmission package provides a significant improvement over stock performance while maintaining smooth drivability and long-term dependability for heavy-duty use.
FAQ
Q: What is the advantage of the ATS Stage 2 transmission over stock?
A: It offers upgraded clutch capacity, improved internal components, and better shift control, increasing durability and performance over factory transmissions.
Q: Is this transmission suitable for towing?
A: Yes, the Stage 2 package is ideal for towing and work applications, providing improved torque handling and reliability.
Q: Does this transmission support PTO operation?
A: Yes, this unit is specifically built with PTO (Power Take-Off) compatibility for work truck applications.
Q: What power levels can this transmission handle?
A: This transmission is designed for stock to moderately upgraded trucks, typically supporting up to approximately 500–600 horsepower.
Fitment
- 2007.5 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2008 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2009 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2007.5 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2008 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2009 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
Key Features
- Stage 2 performance build for improved durability
- Supports PTO (Power Take-Off) functionality
- Increased clutch capacity over stock
- Improved shift quality and transmission longevity
- Designed for towing, work trucks, and daily driving
- Built for stock to moderately modified applications
Specifications for ATS 309-825-4332
| Specification | Details |
|---|---|
| Part Number | 309-825-4332 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 2 |
| Drivetrain | 4WD |
| PTO Compatibility | Yes |
| Engine Compatibility | 6.6L Duramax LMM |
| Model Years | 2007.5 - 2010 |
| Horsepower Rating | Up to 600 HP |
| Use Case | Towing, Work Trucks, Daily Driving |
| 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 |
