Our value proposition
Tailor-made bus and trucks solutions
Dana TM4 can supply both traction and auxiliary solutions optimized for medium-and heavy-duty electric and hybrid vehicles such as:
- 6-18 meter buses
- Delivery trucks
- Municipal fleet work trucks
- Shuttles and more
System supplier
To be a system supplier doesn’t only mean supplying motors and controllers, but supplying the system that optimize the application in terms of efficiency, performance and cost. The Dana TM4 Sales and Application Engineering team works in close partnership customers to develop the vehicle design on all aspects relating to the powertrain. Starting from the target performance of the vehicle, using proprietary software for motion simulation, Dana TM4 is the expert that will help you select the right components of the powertrain and harmonize the overall project.
Direct-drive configuration allows for:
- High efficiency, therefore reducing the need for battery capacity
- Easy integration between the H beam of the truck or in the engine bay of the city bus
- Lower maintenance
- Faster ROI
« With their superior efficiency, performance, competitive price and maintenance-free lifecycle, the TM4 SUMOTM powertrains are enabling our customers to get a faster ROI. »
Burak Onur, Technology Manager at TEMSA Global.
Configurations
Depending on the vehicle type, we recommend various configurations and solutions:
Vehicle type | GCW | Dana solution | ||
City Buses, School Bus and Intercity
| 10-26T | Direct-drive |  | |
Class 4
| <8T | e-Axle |  | |
Class 5
| 8-10T | e-Axle | | |
Class 6
| 10-12T | e-Axle | | |
Class 7
| 12-16T | Direct-drive | | |
Class 8
| 18 to <28T | Direct-drive | | |
Related products
TM4 SUMO Motor and Inverter System
The TM4 SUMO systems are designed to interface directly with standard differentials and/or gearboxes and/or e-axles. It makes this series perfect for class 2 to 8 commercial vehicles and light- to medium-duty bus platforms.
Electro-Hydraulic assisted Power Steer
30-50% energy savings by power on demand. Reduced installation costs with less hydraulic piping. Modular / scalable design. 25% smaller than present solutions.
Electrically Powered Air Compressor
Optimize balance between tank filling speed, noise, and energy. 24/48V board net. Power independent of engine speed. Modular / flexible design. Immediate fuel savings with minimal payback time.
TM4 BCI20 Charger Inverter
The TM4 BCI20 is an innovative bi-directional charger inverter that functions as battery charger and inverter for use in a variety of electric and hybrid vehicle applications.
e-Axles or Complete Systems
Dana TM4 products are designed to fit seamlessly with Dana e-Axles and gearboxes.