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ZF Friedrichshafen AG
DMU Driveline System

DMU Driveline System

Product catalog summary

Introduction
The ZF-EcoLife Rail is a state-of-the-art powershift transmission designed for rail vehicles, offering significant advantages such as noticeable fuel savings, extended service life, and optimal shift comfort. It is based on the proven ZF-EcoLife city bus transmission, adapted for rail requirements.

Specifications
The transmission enables up to 20% fuel savings compared to hydrodynamic drives. It features six speeds suitable for diesel railcars with input torque up to 2,500 Nm and engine torque up to 3,100 Nm. The system includes a gearset drive, gearset reversing transmission, propshaft, and RDCS, customizable to customer needs through a modular construction system.

Performance and Safety
The optimized torque converter ensures exemplary acceleration and smooth operation, reducing fuel consumption during starts. The integrated retarder provides high braking torques, enhancing safety and reducing mechanical brake wear and maintenance costs. The fail-safe principle ensures driveline separation in emergencies. The system operates reliably at high temperatures, with oil sump temperatures up to 120°C, suitable for modern diesel engines.

Rail Drive Control System (RDCS)
The RDCS serves as the central communication interface, automating the shift reversal process and integrating the driveline into the train. It is the ideal interface to the TCU train control unit, reducing integration efforts and ensuring stable electrical integration. The system is EMC certified.

Advantages

Fuel savings up to 20%
Significant reduction in product life cycle costs
Compact installation space
Integrated electronics
Optimum power-to-weight ratio
Short lead times
High spare parts availability
Completely integrated shift unit
Standardized components
High flexibility

Contact Information
ZF Friedrichshafen AG, Industrial Technology, Special Driveline Technology, 88038 Friedrichshafen, Germany. Phone: +49 7541 77-8403, Fax: +49 7541 77-90-8403, Website: www.zf.com/rail

Catalog excerpts

ZF-EcoLife Rail Picture: Bombardier Transportation

Open the catalog to page 1

ZF-EcoLife Rail – an economic breakthrough. Lower costs. Higher performance. Noticeable fuel savings, a longer service life, and smooth running and savings during fuel-intensive optimum shift comfort – those are the advantages starting processes. The integrated retarder delivers of the new powershift transmission that is currently the most powerful on the market of rail vehicle driveline technology. Its technical basis is the globally proven ZF-EcoLife city bus transmission which is being produced in high volume and has now been excellent standards of retardation, providing higher braking torques...

Open the catalog to page 2

All ZF Friedrichshafen AG catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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