THOMPSON DIESEL PERFORMANCE
6R140 BUILDS
Choose a build suited to your power goals and intended use. Contact TDP to confirm specifications and availability.
FIND YOUR BUILD
Compare 6R140 transmission builds
Compare applications and confirmed upgrades. Horsepower ratings, availability and warranty depend on the exact build and vehicle.
| Build | Power rating | Best for | Key upgrades | Warranty | Explore |
|---|---|---|---|---|---|
| Stage 1 — Stock Plus | 650 HP | Daily driving and towing | 6R140 ZIP kit, overhaul kit, new filter and wiring harness, updated friction components, and heavy-duty converter | 3 year, unlimited mileage | Browse builds ↓ |
| Stage 2 — Performance | 850 HP | Upgraded towing and performance | Stage 1 upgrades plus Goerend quad-disc converter, deep transmission pan, modified OD piston and tig welded input | 5 year, unlimited mileage | Browse builds ↓ |
| Stage 3 — Competition | 1000+ HP | High-output applications | Stage 2 upgrades plus billet intermediate shaft and billet piston kit; final configuration depends on application | Confirm warranty terms with TDP | Browse builds ↓ |
Not sure which stage to choose? Start with your truck’s current horsepower, future power goals, towing weight and driving style. Higher-rated builds are not automatically the best choice for daily use. Ask us to recommend a build →
Ratings are informational; confirm power, torque, tuning, vehicle use, and warranty eligibility with TDP. Product-specific written terms control.
6R140 complete transmissions