Common Questions

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Below are common questions on electromagnetic retarders.

  • Heavy Duty America Electro Magnetic Retarder Frequently Asked Questions
  • Heavy Duty America Electro Magnetic Retarder Frequently Asked Questions

How do Electromagnetic Retarders function as secondary braking systems?

  • Self air-cooled and do not involve the engine or transmission cooling systems.
  • Fast response to connection and disconnection commands.
  • High efficiency at higher speeds.
  • Simple, low cost installation and maintenance.
  • Independent from engine and transmission.
  • Silent.
  • Progressive regulation.

Are there other secondary braking systems on the market?

Hydraulic Retarders

  • Use the cooling systems of engine or transmission.
  • Slow response to connection and disconnection commands.
  • Limited efficiency at low speed.
  • Complicated retrofit installation
  • High acquisition and maintenance cost.

Engine Brake

  • Efficiency requires certain engine rpms, affecting the engine temperature.
  • No effect when changing gears.
  • Noisy.
  • On-off regulation

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