FERRARI 12 Cilindri F167 987521 Gearbox
The Ferrari 12Cilindri F167 gearbox (987521) is the factory 8-speed dual-clutch transaxle (DCT) used in Ferrari’s latest front-engine V12 grand tourer platform, replacing the previous 812 Superfast transmission system.
It is part of Ferrari’s newest Magna 8DCL900 / evolution 8-speed DCT architecture, tuned specifically for the naturally aspirated V12.
OEM Overview
- Part number: 987521
- Type: 8-speed dual-clutch transmission (DCT / DKG)
- Application:
- Ferrari 12Cilindri (F167) Coupe
- Ferrari 12Cilindri Spider
- Engine pairing:
- 6.5L F140 HD naturally aspirated V12
- Layout: Front-mid engine, rear transaxle
- Drive: Rear-wheel drive
This gearbox is listed as the complete DCT gearbox assembly for the 12Cilindri platform in OEM parts catalogues.
Function
The 987521 gearbox is responsible for:
- Transferring up to ~830 hp from the V12 to the rear wheels
- Providing ultra-fast dual-clutch gear changes
- Maintaining continuous power delivery during shifts
- Managing traction and stability via integrated vehicle dynamics systems
- Supporting multiple drive modes (Comfort, Sport, Race, etc.)
Engineering Design
This gearbox is a major evolution over previous Ferrari GT transmissions:
- 8 forward gears for wider ratio spread and efficiency
- Dual wet clutch system for high torque handling
- Electro-hydraulic actuation for rapid shift control
- Rear transaxle layout for optimal weight distribution
- Designed for high-revving naturally aspirated V12 characteristics (up to ~9500 rpm engine capability)
Performance Role in 12Cilindri
The gearbox is tuned to match the unique nature of the new V12:
- Keeps engine in optimal high-rev power band
- Allows very fast upshifts at redline (~9k+ rpm range)
- Smooth low-speed operation for GT usability
- Supports Ferrari’s latest shift logic for linear power delivery
Compared to earlier 812 Superfast gearbox:
- More gears (8 vs 7)
- Broader efficiency range
- Improved shift smoothness + faster response
- Better integration with modern traction control systems
System Integration
The transmission works with:
- F140 HD V12 engine ECU
- Electronic Differential (E-Diff)
- Vehicle dynamics control systems (SSC evolution)
- Manettino drive mode selector
- Launch control system
- Adaptive shift strategy software
Torque management is continuously adjusted during shifts to maintain stability and traction.
Key Characteristics
- OEM Ferrari 8-speed DCT gearbox
- Used on 12Cilindri F167 platform
- Rear transaxle configuration
- Designed for 830 hp naturally aspirated V12
- High-rev optimized gear ratios
- Integrated electronic differential system
- Motorsport-derived dual-clutch architecture
Common Replacement Reasons
- Clutch wear from high torque/high RPM use
- Mechatronic hydraulic system failure
- Gear selection or sensor faults
- E-Diff integration issues
- Full drivetrain replacement (accident or rebuild)
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