Eaton AutoShift and UltraShift sb2646
The Eaton AutoShift and UltraShift sb2646 are manual transmissions designed for medium-duty commercial vehicles. These heavy-duty automatic transmissions combine AMT technology, a mechanical clutch, and a range expander for smoother and more efficient gear changes. Here's an in-depth description of the Eaton AutoShift and UltraShift sb2646:
Design and Features:
- Advanced Automatic Transmission (AAT): The Eaton AutoShift and UltraShift sb2646 are AATs that blend manual transmission hardware with electronic controls. This design allows for precise clutch engagement and gear selection, resulting in enhanced efficiency.
- Mechanical Clutch: Utilizing a mechanical clutch, these transmissions provide direct power transfer from the engine to the driveline. The clutch engages and disengages via electronically controlled actuators, ensuring smooth and responsive gear changes.
- Range Expander: The AutoShift and UltraShift sb2646 feature a range expander that splits gears, creating a wider gear ratio spread. This enables the transmission to maintain optimal engine RPM for varying load and road conditions.
- Customizable Shift Patterns: The transmission can be programmed with customizable shift patterns, optimizing performance for specific vehicle applications, such as vocational trucks, school buses, or motorhomes.
- Driver Interface: A user-friendly driver interface allows for easy operation and monitoring of the transmission. The interface includes a gear selector, shift indicators, and diagnostic displays.
Benefits and Applications:
- Improved Fuel Efficiency: The AutoShift and UltraShift sb2646 enhance fuel efficiency by automatically selecting the optimal gear ratio. The range expander enables the engine to operate in its most efficient RPM range.
- Enhanced Driver Comfort: The automated gear changing reduces driver fatigue, especially in stop-and-go traffic or challenging road conditions.
- Increased Productivity: The smooth and efficient gear changes minimize downtime and enhance productivity for commercial vehicle operators.
- Versatile Applications: These transmissions are suitable for a wide range of medium-duty commercial vehicles, including:
- School buses
- Vocational trucks
- Motorhomes
- Delivery vehicles
- Construction equipment
Technology and Reliability:
- Electronic Controls: The transmissions' electronic controls monitor vehicle speed, load, and driver input to determine the optimal shift points. This ensures accurate and timely gear changes, minimizing wear and tear.
- Self-Adjusting Clutch: The AutoShift and UltraShift sb2646 feature a self-adjusting clutch system, which compensates for clutch wear and ensures consistent performance over the transmission's lifespan.
- Durable Construction: These transmissions are manufactured using high-quality materials and are rigorously tested to withstand the demands of commercial vehicle operation.
- Extensive Warranty: Eaton offers a comprehensive warranty on the AutoShift and UltraShift sb2646, ensuring peace of mind for fleet owners and operators.
Checking the Harness Connections on Eaton AutoShift™
and UltraShift™ Transmissions 26-46
Freightliner
Service Bulletin
FLA COE
FLB COE
> FLD Conventional
Business Class
FLC 112 Conventional
> Century Class Conventional
> Argosy COE
Cargo
> Columbia
> Coronado
> Business Class M2
> Cascadia
