Randy's Transmissions - Allison 1000 6-Speed Stage 2 (725HP) Transmission + Torque Converter
Part # 311241031-L5P
Ultimate Transmission for Towing and Hauling
The Stage 2 Allison 1000 transmission is perfect for truck owners who rely on their vehicle to pull heavy loads and trailers without compromising performance. Whether you’re towing a horse trailer through mountain roads or hauling a fully-loaded RV cross-country, this transmission is engineered to hold up under pressure while giving you the smooth, controlled power you need.
Performance-Driven Design
Our Stage 2 Allison transmission isn’t just about durability; it’s about delivering power smoothly and efficiently under pressure. Equipped with custom-machined pressure plates and the LML style pistons and return springs, it brings cutting-edge engineering to ensure flawless performance.
Key Features:
- Raybestos or ALTO G3 C-3 C-4 Torque Kit with Custom Machined Pressure Plates: Provides maximum holding power and improved durability under high-torque conditions, ensuring your transmission doesn’t slip when you need it most.
- LML Style Pistons and Return Springs: Delivers improved reliability and faster shifts, helping maintain performance even under extreme stress.
- Raybestos or ALTO G3 C-1, C-2 Torque Kit: These premium clutches offer increased capacity and holding power, perfect for high-performance applications.
- Ratio Tek Pressure Upgrades: Optimizes internal pressure for more efficient power transfer and enhanced reliability during heavy use.
- Transgo Trim Valves: Helps regulate fluid pressure and improve overall transmission performance, making shifts more precise and reducing wear.
- New Torrington Bearings: High-performance bearings are installed to reduce friction, extend transmission life, and improve overall efficiency.
- Randy’s Torque Converter with Billet Stator: Our custom billet torque converter is built for durability and improved torque transfer, offering maximum performance and efficiency under load.
- New OE Filters: Ensures clean fluid flows through your transmission, reducing internal wear and extending the life of your components.
- Heavy Duty Cast Aluminum Deep Pan: Provides extra fluid capacity for better cooling, especially under high-stress towing conditions.
- Custom Billet PTO Covers: These billet covers are designed to direct fluid more efficiently.
Why Choose Randy’s Transmissions?
At Randy’s, we put each of our builds through rigorous testing to ensure you get a transmission that not only performs but lasts. Our Stage 2 Allison transmission has been crafted with precision and care to give you peace of mind whether you’re towing a fifth wheel or taking a heavy load across country.
Backed by Years of Research
Randy’s Transmissions has spent years perfecting the art of building the strongest transmissions for Duramax owners. Our commitment to research and development ensures that every product we deliver is built to exceed expectations.
Warning: cores must be like-for-like - A 5-Speed core will not be accepted for a 6-Speed transmission or vice-versa.
