48RE Transmission Stage 2 650HP Max

Stage 2 48RE Transmission for 2003-2007 Dodge Cummins – Rated at 650 HP

For those who demand strength and reliability in their work trucks, the Stage 2 48RE is the top choice. Whether you’re towing heavy loads or hauling equipment, this transmission is built to handle the demands of your lifestyle while delivering smooth, consistent power transfer.

Transmission Specs:

 • Randy’s Exclusive Alto G3 Power Pack Clutches and Steels: Engineered for maximum durability and performance, these clutches and steels provide superior holding power.
 • Power-Packed Overdrive with Custom Pressure Plate: Optimized for high-torque conditions, ensuring smooth shifting and increased longevity.
 • Alto G3 Power-Packed Direct Drum with Custom Pressure Plate: Strengthened to handle heavy loads and demanding environments.
 • TCS Super Servo, Billet Band Strut, Billet Wedge: Provides exceptional shifting precision and durability under stress.
 • Billet Accumulator: Reinforces the transmission’s resilience under heavy use.
 • Sonnax Billet Input Shaft with Custom Height: Designed for added strength to withstand high horsepower levels.
 • Billet Direct Drum Piston: Improves durability and performance in high-stress situations.
 • Heavy Duty 2nd Gear Band: Built for long-lasting reliability.
 • Built In-House Triple Disc Torque Converter: Custom-made for superior torque transfer and durability.
 • Borg Warner Governor Pressure Solenoid: Ensures precise pressure control for optimized shifting.
 • High Pressure Transducer: Monitors pressure levels to maintain smooth operation.
 • Custom ‘Baby Daddy’ High Pressure Valve Body: Designed and tested in-house for maximum performance and reliability.
 • PTFE Coated Thrust Washers: Reduces friction and enhances durability.
 • Heavy Duty Cast Aluminum Deep Pan: Provides increased capacity and cooling efficiency for extended transmission life.

Why Choose Randy’s Stage 2 48RE?

The Stage 2 48RE transmission is the result of our unwavering commitment to delivering the best possible transmission for Third Gen Cummins owners. This build comes from years of determination and hands-on experience, honed through countless hours of testing and refining with our own 2006 Dodge Ram 3500, affectionately named ‘Red Delicious.’ Through this process, we learned what worked and what didn’t, allowing us to craft the perfect combination of components to meet the demands of real-world driving.

While Red Delicious now pushes over 3,000 horsepower, the Stage 2 48RE is built on the same foundation of reliability and performance. It’s designed to deliver outstanding results whether you’re navigating your daily commute or hauling a heavy load cross-country. This transmission offers the ultimate in durability and power, ensuring your truck performs at its best in any situation.

Randy’s Stage 2 48RE isn’t just a transmission—it’s a legacy of excellence, built on the backbone of rigorous testing and real-world application.

Trust in a transmission that’s been proven to stand up to the toughest challenges, delivering reliable performance mile after mile.

Featuring Alto G3 Clutches & Steels 

The Alto G3 line has a long-standing reputation for its strength and reliability in transmission builds. Developed to withstand extreme demands, G3 frictions have become the gold standard for builders who demand durability and consistent performance.

Recognizing the need for a tough, long-lasting transmission solution, we teamed up with Alto to bring a full clutch and steel lineup specifically designed for the 47RE & 48RE. Built with the same trusted G3 technology, this lineup offers unmatched resilience, ensuring your transmission can handle anything you throw at it—whether it’s the heavy demands of towing or the rigors of track racing.

This collaboration between Randy’s and Alto guarantees that your 48RE gets the best in performance, tested and proven under real-world conditions.

Backed by Real-World Testing and Proven Expertise

Since 2008, we have mastered the 48RE transmission. Through years of hands-on experience, we’ve fine-tuned our builds to deliver unmatched durability and performance. When it comes to the 48RE, nobody else comes close.

Our very own Red Delicious (2006 Cummins Dually) started with stock power, but out of a desire to find and eliminate every weak point, we steadily increased its power. Each stage of development allowed us to identify and address vulnerabilities, resulting in a transmission built to withstand anything you can throw at it. Our real-world testing ensures that every transmission we produce is battle-tested and ready for the road or track.

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.

2-Year / Unlimited Mile Warranty

At Randy’s, we back our products with a robust 2-year, unlimited mile warranty because we believe in the quality and reliability of our transmissions. Our commitment goes beyond just selling a product; it’s about providing peace of mind for the long haul. If you encounter any issues during this period, we’ll be there to support you, ensuring your transmission performs at its best. This warranty reflects our dedication to your satisfaction and confidence in our craftsmanship. Rest assured, with Randy’s, you’re covered.

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.