6R140 Transmission Stage 3 Big Daddy 1000HP

Stage 3 6R140 “Big Daddy” Transmission for 2011-2019 Ford 6.7 Powerstroke (1,000HP)

For those who demand the absolute best, the Stage 3 6R140 “Big Daddy” is the ultimate transmission for the 2011-2019 Ford 6.7 Powerstroke. Rated to handle up to 1,000HP, this beast is built for extreme power, heavy-duty towing, and the toughest driving conditions. Whether you’re hitting the track or hauling massive loads, the Big Daddy is engineered to deliver unmatched strength, durability, and performance. The Stage 3 “Big Daddy” is more than just a transmission—it’s a statement. Built to withstand the rigors of high horsepower, this transmission keeps your Powerstroke performing at its peak, no matter how hard you push it. For those who need the best, look no further.

This build includes:

•Heavy Duty Captured Clutch Custom Stall Converter – Designed for maximum power transfer and efficiency, allowing for smooth engagement and the ability to handle extreme torque.

•Billet Intermediate Shaft with Modified Hub – Built for superior strength to prevent failure under heavy loads and high torque.

•New Factory Valve Body (O.E.) – Restores precise shifting performance with factory reliability.

•Raybestos or ALTO G3 Powerpack Steel and Friction Module – Ensuring top-notch durability and increased holding power to handle extreme performance demands.

•Custom Pressure Plates – Engineered for increased clamping force and better shift quality under high torque.

•New Filter – Keeps your transmission running clean and efficient, extending its life.

•Billet OD Piston with High Return Springs – Providing faster, more reliable shifts and improved durability.

•Billet 4th Hub with Long Splines – Reinforced for maximum strength in high-torque applications.

•Mag-Hytec Pan – Adds extra fluid capacity and improves cooling for long-term reliability under heavy use.

•All New Gaskets and Seals – Ensuring a leak-free, fresh rebuild from top to bottom.

Why Choose Randy’s?

At Randy’s Transmissions, we are dedicated to providing top-tier performance and reliability for every build. Our transmissions are meticulously engineered and tested to ensure they exceed your expectations. We use only the highest quality components, perform rigorous in-house testing, and offer unmatched support and expertise. With our products, you get American-made excellence backed by a commitment to durability and performance. Whether for heavy hauling or daily driving, our transmissions are designed to keep you moving with confidence.

Backed by Real-World Testing and Development

At Randy’s, we pride ourselves on delivering products that are rigorously tested and developed to meet the highest standards of performance and reliability. Since our founding in 2008, we’ve continuously refined and tested our transmissions under real-world conditions to ensure they can handle the toughest challenges. Our commitment to innovation and thorough testing means that every transmission we offer has been proven to perform, whether you’re towing heavy loads, racing on the track, or navigating rugged terrain. With over a decade of expertise and a track record of excellence, you can trust that our transmissions are built to exceed your expectations and provide dependable performance for years to come.

Buy Now, Pay Later

We know that upgrading your transmission is a big investment and paying all at once can be tough. That’s why we’ve teamed up with Affirm to make it easier for you. With our financing options, you can enjoy the benefits of a top-quality transmission without the stress of a hefty upfront payment. Available exclusively online, just choose Affirm at checkout and spread your payments out over time. Get the performance you need today, and pay at a pace that fits your budget.

1-Year / 12,000-Mile Warranty

Randy’s Transmissions is committed to excellence and reliability. That’s why we offer a 1-year, 12,000-mile warranty on our products. This warranty ensures that you can drive with confidence, knowing that if any issues arise within the coverage period, our team is ready to support you. Our warranty is a testament to the high standards of quality and durability that define our transmissions, giving you peace of mind and a reliable partner on the road.

Refresh Program

At Randy’s, we believe in long-term relationships, not just one-time transactions. That’s why our Refresh Program is here to support you even after your warranty expires. When your transmission needs a little TLC, we’ll give it a thorough rebuild at a fraction of the cost of a new unit. It’s our way of showing our commitment to your vehicle’s performance and your satisfaction. Please remember, this program is available only to the original owner and is non-transferable. With Randy’s, you’re not just buying a transmission; you’re investing in lasting peace of mind and continued excellence on the road.