BUILT FOR
DIESEL THAT WORKS.
Forge Drivetrain manufactures heavy-duty diesel transmissions for the 68RFE and 6R140 platform. Every unit built to outperform factory spec.
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68RFE
CUMMINS DIESEL
6R140
POWER STROKE
US
SHIPS NATIONWIDE
OUR BUILDS
TRANSMISSION LINEUP
68RFE
DODGE / RAM CUMMINS DIESEL
Purpose-built for the 6.7L Cummins. Upgraded clutch packs, billet input shaft, hardened valve body — ready for towing and performance applications.
6R140
FORD SUPER DUTY POWER STROKE
Built to handle the 6.7L Power Stroke under load. Heavy-duty friction material, upgraded solenoids, and full remanufactured case inspection.
WHY FORGE
THE FORGE DIFFERENCE
BUILT BY HAND
Every unit assembled by transmission specialists with decades of diesel experience — not a production line.
QUALITY CHECKED
Every unit goes through a full inspection process before it ships. If something isn't right, it goes back to the bench.
OEM+ UPGRADES
We go beyond factory spec. Billet internals, upgraded clutch packs, and hardened components where OEM falls short.
DEDICATED SUPPORT
Direct line to our technical team for installation guidance and post-install questions.
READY TO BUILD
LET'S TALK ABOUT YOUR BUILD
Our team works directly with shops and owner-operators. Contact us for specs, lead times, and pricing.
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