The 6L50 automatic transmission is built to handle demanding power and torque requirements with precision. It supports up to 235 kW of engine power for gasoline engines and 185 kW for diesel engines, making it suitable for vehicles requiring robust performance. Additionally, it can manage up to 450 Nm of torque for gasoline engines and 550 Nm for diesel engines, ensuring smooth operation under heavy loads.
Key gear ratios include:
- 1st Gear: 4.060
- 2nd Gear: 2.370
- 3rd Gear: 1.550
- 4th Gear: 1.160
- 5th Gear: 0.850
- 6th Gear: 0.670
- Reverse Gear Ratio: 3.200
These ratios enable precise power management across different driving conditions, while the aluminum housing ensures durability without adding unnecessary weight. The transmission also features advanced solenoid technology, including three on/off solenoids and five variable solenoids, which contribute to seamless gear transitions and optimized performance.
The 6L50 automatic transmission is equipped with advanced features that improve vehicle efficiency and enhance the driving experience:
- Selectable Driving Modes: Adaptable shift algorithms allow drivers to switch between sport mode, towing mode, and adaptive shift timing based on their needs.
- Integrated Stop-Start System: Reduces engine idling during traffic stops for improved fuel efficiency.
- NVH Management: Minimizes noise, vibration, and harshness to deliver a smoother and quieter driving experience.
- Sequential Control: Tap Up/Tap Down functionality provides manual-like precision with the convenience of an automatic transmission.
- Altitude and Temperature Compensation: Ensures consistent performance in varied environmental conditions.
These features make the 6L50 a versatile option for drivers seeking comfort, performance, and efficiency in their vehicles.
The 6L50 has been trusted by leading manufacturers such as GM, BMW, Tata Motors, SAIC Motor Corporation, and others. Its modular design allows seamless integration into hybrid systems while maintaining exceptional reliability in conventional drivetrains. This adaptability has made it a cornerstone in drivetrain development across multiple vehicle platforms.
The transmission’s compatibility with micro-hybrid applications further enhances its relevance in modern automotive systems by supporting stop-start technology that boosts fuel efficiency without compromising performance.
Manufactured at Dumarey’s Strasbourg facility, the 6L50 automatic transmission reflects the company’s commitment to delivering high-quality solutions tailored to the evolving needs of the automotive industry. By combining cutting-edge technology with proven reliability, Dumarey continues to support manufacturers in creating efficient drivetrains that align with sustainability goals and the future of mobility.