FERRARI GTC4 LUSSO T 3.9 V8 F151M DKG transmission 864807
The Ferrari GTC4Lusso T 3.9 V8 F151M DKG transmission (864807) is the factory 7-speed dual-clutch transaxle (DCT) used in Ferrari’s front-engine grand tourer with the twin-turbo V8.
It is part of the Magna / Getrag 7DCL750 dual-clutch gearbox family, adapted for the F151M platform.
OEM Overview
- Part number: 864807
- Type: 7-speed dual-clutch transmission (DKG / DCT)
- Gearbox family: 7DCL750 (wet dual-clutch system)
- Application:
- Ferrari GTC4Lusso T (F151M)
- Engine pairing:
- 3.9L F154 BD / F151M twin-turbo V8
- Layout: Rear transaxle (rear-mounted gearbox for weight distribution)
Reference listings confirm the GTC4Lusso T 3.9 V8 F151M DCT gearbox is part number 864807 in OEM parts and used assemblies.
Vehicle Context
The GTC4Lusso T is Ferrari’s rear-wheel-drive 4-seat grand tourer, using:
- 3.9L twin-turbo V8 (610 hp, 760 Nm)
- Rear transaxle DCT gearbox
- No front drivetrain (unlike the V12 AWD GTC4Lusso)
Ferrari describes the Lusso T as a lighter, rear-driven evolution focused on agility and long-distance performance.
Function
The 864807 gearbox is responsible for:
- Transferring engine torque to the rear wheels
- Providing ultra-fast dual-clutch gear changes
- Managing smooth automatic and manual shifting modes
- Coordinating torque reduction during shifts for stability
- Supporting launch control and drive-mode logic
Engineering Design
This transmission is engineered specifically for grand touring + turbo V8 characteristics:
- Wet dual-clutch system (oil-cooled clutches)
- Electro-hydraulic gear actuation
- Rear transaxle layout for near 50:50 weight balance
- Tuned for smoother low-speed operation than mid-engine Ferrari gearboxes
Compared to 488/F8 gearboxes:
- Softer shift mapping
- More comfort-oriented calibration
- Less aggressive shift shock in automatic mode
System Integration
The gearbox works closely with:
- F154 twin-turbo V8 engine ECU
- Electronic Differential (E-Diff)
- Traction and stability systems (ESC, SSC)
- Manettino drive mode selector
- Launch control system
Torque is actively managed during shifts to maintain smooth power delivery.
Key Characteristics
- OEM Ferrari 7-speed DCT (DKG)
- Rear transaxle layout for GT balance
- Shared 7DCL750 architecture
- Designed for 610 hp twin-turbo V8
- Comfort + performance hybrid calibration
- Integrated electronic differential system
GTC4Lusso T vs Other Ferrari DCTs
- GTC4Lusso T (864807): comfort-focused GT tuning, smooth shifts
- 488/F8 (807337): sharper, track-focused response
- Portofino (815469): softer GT tuning, front-engine convertible use
Common Replacement Reasons
- Clutch wear from high torque load
- Mechatronic/hydraulic failure
- Gear engagement faults
- Sensor or E-Diff issues
- Full drivetrain replacement in rebuilds
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