The 6R140 TorqShift replaced the 5R110W behind the 6.7L Powerstroke starting in 2011. It's a strong 6-speed for heavy-duty Ford trucks. Here's what you need to know.
6R140 basics
- 6-speed automatic
- Years: 2011-2019 production
- Applications: F-250, F-350, F-450, F-550 with 6.7L Powerstroke
- Torque capacity: ~850 ft-lb stock
- Replaced by: 10R140 in 2020+ (HD trucks)
Common 6R140 failures
1. Direct clutch wear
Diesel torque stresses direct clutch.
Fix: HD direct clutch during rebuild.
2. Intermediate clutch wear
HD use wears intermediate clutch.
Fix: HD intermediate clutch pack.
3. Input shaft (tuned applications)
Stock shaft twists at high power.
Fix: Billet input shaft for any tuned truck.
4. Solenoid pack failure
Internal pack fails at 100K+ miles.
Fix: Motorcraft OEM replacement.
5. TCC apply system
Common diesel issue.
Fix: Updated TCC apply piston.
6. Valve body wear
Aluminum bore wear over time.
Fix: Bore correction kits.
Build recommendations
Stock 6.7L Powerstroke daily driver
- Alto Power Pack master kit
- HD direct clutch
- Sonnax TCC apply piston
- Motorcraft solenoid pack (if 100K+)
- HD torque converter
- Total parts cost: $1,400-2,000
- Build cost installed: $4,500-6,500
- Expected life: 100,000+ miles
Tow rig 6.7L (regular tow)
- Alto Power Pack master kit
- HD direct + HD intermediate clutch packs
- Sonnax PR valve and TCC kits
- Performance HD torque converter
- Performance valve body
- Total parts cost: $2,000-3,000
- Build cost installed: $6,500-9,000
- Expected life: 80,000+ miles tow
Mild-tune 6.7L (500-800 HP)
- Raybestos Stage-1 master kit
- HD direct + HD intermediate with extra plates
- Sonnax billet input shaft
- HD pump
- Performance valve body
- Performance HD torque converter
- Total parts cost: $2,800-4,200
- Build cost installed: $8,000-12,000
- Expected life: 60,000+ miles tuned
Tuned 6.7L (800-1,200+ HP)
- Race-spec frictions
- Billet input + output shafts
- HD planetary
- Race valve body
- Race torque converter
- Total parts cost: $4,500-7,000
- Build cost installed: $11,000-18,000
6R140 vs 5R110W differences
6R140 advantages over 5R110W:
- 6 forward gears (better fuel economy)
- Higher torque capacity (~850 vs ~750 ft-lb)
- Better cooling integration
- More refined electronics
- More aftermarket support (growing)
Considerations:
- Newer = some parts harder to source
- More complex if anything breaks
- Performance tuning more involved
Brand recommendations
Master rebuild kits
- Alto (Power Pack)
- Raybestos (Stage-1, GPZ)
- Transtec
- Precision International
HD upgrades
- Sonnax (billet input shafts, valve body kits)
- ATI (HD components)
- BD Diesel (6R140 specialists)
- Suncoast Converters
Solenoid packs
- Motorcraft (OEM recommended)
- Quality aftermarket
Torque converters
- Suncoast
- BD Diesel
- Goerend Transmission
- ATS Diesel
Fluid
- Spec: Mercon LV
- Capacity: ~17 quarts total, ~7 quarts in pan
- Service: 30K severe, 50K normal
Cooler considerations
Like 5R110W, the 6R140 benefits from external cooler upgrade for HD tow applications.
Cost summary
DIY rebuild:
- Stock: $1,400-2,000
- Tow: $2,000-3,000
- Mild tune: $2,800-4,200
- Tuned: $4,500-7,000
Shop rebuild installed:
- Quality independent: $4,500-6,500
- Performance shop: $8,000-12,000
- Specialty diesel: $11,000-18,000
Reman swap:
- Quality reman 6R140: $4,000-5,500 installed
- Built reman from specialty: $7,000-12,000
What we sell
Master rebuild kits for 6R140 with quality frictions, Sonnax HD upgrades including billet input shafts, performance valve bodies, Motorcraft solenoid packs, and performance torque converters.
Need 6R140 TorqShift parts? Shop our 6R140 catalog. HD master rebuild kits, billet input shafts, performance valve bodies. Free shipping over $70.
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