Generating solutions

The TM4 SUMO HP line consists of electric powertrains dedicated to high-power applications. The first motor/generator and inverter combination of this line, the TM4 SUMO HP HV900, was purposely developed for series and parallel-hybrid configurations; it can be coupled to diesel engines, multi-speed gearboxes or integrated to axles for ultra-low floor buses.

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Motor mode

Dana TM4 offers a version of the TM4 SUMO HP HV900 optimized for propulsion. This system has control algorithms that are optimized for parallel hybrid applications where the electrical motor contributes significantly to the vehicle propulsion while also offering generator functionality for smaller duty cycles.

Dana TM4 offers this new motor/generator with its well proven 3-phase CO150 inverter, used in thousands of vehicles worldwide.

Generation mode

A version of the TM4 SUMO HP HV900 is also available with control algorithms that are optimized for generation application where continuous power generation is the main operating mode.

The efficiency of the system reaches 95% and has been developed to match the efficiency of a diesel engine, which is instrumental to optimize fuel savings. In a series-hybrid, the combined use of the electric traction system, the optimized gen-set and electrified accessories can result in a minimum 50% fuel economy compared to a conventional vehicle.


  • System protection: IP67 / IP6K9K
  • Max coolant temperature: 65°C
  • Coolant type: 40/60 water-glycol
  • Toxic materials and flammability: ROHS, ELV, UL94-V0
  • External corrosion resistance: Salt spray, gravel, chemical products

Software features

  • Sinusoidal motor current
  • Temperature sensing for system derating and alarms
  • Advanced diagnostic capabilities (TM4 ODIN)
  • Communication fault detection
  • CAN 2.0b communication interface
  • Torque or speed control
  • DC voltage control available upon request
  • Advanced control algorithm for optimal system power and efficiency



Motor: 100 kg
Generator (with bell housing): 112 kg
Inverter:  11 kg

motor: 200 x 500 x 527 mm
Generator (with bell housing): 339 x 500 x 527 mm
Inverter:  416 x 300 x 101 mm

HV900-3P (generation)HV900-3P (traction)HV2500-6P (traction)
Peak power (kW)195205540
Continuous power (kW)160150360
Operating speed (RPM)0-28000-40000-4500
Continuous torque (NM)6257452050
Peak torque (NM)9109652500
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Optimized for Commercial Vehicles

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