There is an ultimate art of precision forging technology
that Ooka has reached over a long time period of time.


precision forging parts for MT/DCT are Ooka’s main products supplied to markets all over the world, especially to Europe.

Clutch Gear

Forged clutch teeth formed by precision forging technology is reliable and has high strength. After 100,000 Km test drive no damages were found.

  • Clutch Gear2
  • Clutch Gear3
  • Clutch Gear4
Clutch Gear1

Monoblock gear

Clutch gear and main speed gear body are integrated into one piece and that enables customer to reduce their production process.  More than 10 million piece per year are supplied to custmers around the world, mainly in Europe.

  • Monoblock gear2
  • Monoblock gear3
  • Monoblock gear4
Monoblock gear1

Reverse Gear

Ooka's precision forging is the best solution how to achieve higher strength required at reverse gears. Introducing our technology helped to solve many issues related to strength of these reverse gears

Reverse Gear1


By Combining Sleeve and our Clutch gear, we can offer an ideal tooth design with much higher strength.


Parking (DCT)

Parking gear is the security part to protect car user’s safety. O-OKA’s gear teeth offers you a firm strength and provides a safe drive

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