Randy's Transmissions

The valve body is flat sanded to our tolerances. We install Sonnax billet accumulators proven to prevent bore wear and provides unsurpassed sealing qualities, Sonnax accumulator plate cover with 3 additional bolts eliminating plate blowout, SSV is reamed...

Tired of your 47re slipping, need it to handle more power?  Randy's Transmissions has you covered with their Stage 1 47RE Crate Transmission.  Capable of 450hp at the max, for those needing to freshen up their 1994-1998 Dodge Cummins 47RE, this...

Randy's Most Popular Build for the 47RE. Tired of your 47re slipping, need it to handle more power?  Randy's Transmissions has you covered with their Stage 2 47RE Crate Transmission.  Capable of 650hp at the max, for those needing to freshen...

Tired of your 47re slipping, need it to handle more power?  Randy's Transmissions has you covered with their Stage 3 47RE Crate Transmission.  Capable of 1000hp at the max, for those wanting an all out daily driver, capable of pulling a sled...

This is the same transmission as in our 2000hp Daily Driver 2006 9.4 @150.77 second 7640lb Dually, Also backing up Master Shredder and propelling it into a 8.8 second ¼ mile run @157mph during the UCC. And same internals as our record...

Tired of your 48re slipping, need it to handle more power?  Randy's Transmissions has you covered with their Stage 1 48RE Crate Transmission.  Capable of 450hp at the max, for those needing to freshen up their 2003-2007.5 Dodge Cummins 48RE,...

Randy's Most Popular 48RE Build! Tired of your 48re slipping, need it to handle more power?  Randy's Transmissions has you covered with their Stage 2 48RE Crate Transmission.  Capable of 650hp at the max, for those needing to freshen up...

Tired of your 48re slipping, need it to handle more power?  Randy's Transmissions has you covered with their Stage 3 48RE Crate Transmission.  Capable of 1000hp at the max, for those wanting a narly daily driver, capable of pulling a sled and...

This is the same transmission as in our 2000hp Daily Driver 2006 9.4 @150.77 second 7640lb Dually, Also backing up Master Shredder and propelling it into a 8.8 second ¼ mile run @157mph during the UCC. And same internals as our record...

Destroyed your stock 68RFE?  Have a cracked housing?  Randy's Transmission has fully stock Crate Transmissions for you!

Looking to upgrade that weak factory 68RFE?  Want something more capable of holding some power and helping with your towing?  Than the Randy's Transmissions Stage 1 68RFE is a perfect choice.  Capable of 500hp Max, it will solve that weak...

Randy's Best selling Transmission! Capable of 750hp Max and requires transmission Tuning to run the best.  Same transmission as seen in Randy's Red Delicious!

Extreme 68RFE.  Capable of 900hp Max and requires transmission Tuning to run the best.

Randy's Full AS69RC Build for your Cab & Chassis and 3500 Dodge Cummins Trucks.  Up to 600hp Max capable.

Randy's Full AS69RC Build for your Cab & Chassis and 3500 Dodge Cummins Trucks.  Up to 1000hp Max capable.

For the DIYer, Randy's offers a complete 68RFE Transmission Rebuild kit with everything you need to take your 68 from stock to capable of performing the way it should!

Randy's Full Allison 1000 Stage 1 Build for trucks up to 500hp Max

Randy's Full Allison 1000 Stage 2 Build for trucks up to 725hp Max

Randy's Full Allison 1000 Stage 3 Build for trucks up to 900hp Max

Randy's Full Allison 1000 Stage 4 Build for trucks up to 900hp+ Max

Randy's Stage 1 4R100 Built Transmission, for 450hp Max builds.

Randy's Stage 2 4R100 Built Transmission, for 550hp Max builds.

Randy's Stage 3 4R100 Built Transmission, for 700hp Max builds.