Hellgeth/Claas Overdrive  – Mog Central, Made in Germany

Experience next-level performance and efficiency with the Hellgeth Overdrive Unit, engineered and precision-built in Germany. This advanced unit features a switchable overdrive ratio of 1:1 and 0.78:1, delivering an impressive 22% increase in ground speed at the same RPM — or a reduction in RPM for improved fuel economy and reduced engine wear. Designed for Unimogs, this overdrive transforms your vehicle’s capabilities both on and off the road.

💡Why choose the Hellgeth Overdrive Unit?
     The Hellgeth Overdrive Unit is the ultimate upgrade for drivers seeking more efficiency and higher cruising speeds without             compromising reliability. By reducing engine revolutions per minute, it delivers fuel savings, smoother highway driving, and       less strain on your powertrain. The result? Enhanced comfort, extended engine life, and reduced fuel consumption — all backed by world-class German engineering.

⚙️ Key Product Features

• Switchable ratios: 1:1 and 0.78:1 overdrive.

• 22% increase in ground speed or reduced engine RPM.

• Improved fuel efficiency for long-distance or high-load applications.

• Made in Germany – precision-engineered for Unimogs.

• Heavy-duty construction for demanding environments.

• Optimised driveline performance – smoother gear transitions and quieter operation.

🛠️ Performance Benefits

• Fuel Savings: The 22% overdrive ratio reduces engine strain and fuel use, saving costs over time.

• Increased Top Speed: Enables higher cruising speeds while maintaining stability and control.

• Extended Engine Life: Lower RPM means reduced mechanical wear.

• Enhanced Driving Comfort: Less noise and vibration during travel.

🔧 Installation Requirements & Disclaimer

Installation should only be performed by a qualified Unimog or heavy diesel mechanic. For optimal performance, Mog Central strongly recommends that all Overdrive Units be installed by our trained technicians.

⚠️ Important Notice:

If Mog Central does not install the overdrive unit, we take no responsibility for any faults, damages, or failures resulting from incorrect installation or fitment.

🆘 Need Help or Fitment Support?

For installation bookings, compatibility checks, or technical advice, contact us at 📧 [email protected]. Our expert team is here to ensure your Overdrive performs exactly as designed — enhancing power, efficiency, and long-term reliability.

  →        Download fitting instructions here        ←

💪 Made for Mog Owners Who Demand the Best!