Bosch Rexroth’s hydrostatic fan drive provides maximum fan speed independent of engine speed and incorporates the company’s F series pump and motor technology, making it suitable for various applications. The drive works in a range of ambient temperature conditions, from -40º F to 212º F (-40º C to +100º C). The fan drives can be used in applications including construction machines, agriculture and forestry vehicles, and road and rail vehicles. Hydrostatic fan drives dissipate heat transferred by engine coolant as it flows through the radiator. Features include flexibility, controlled engine temperature, low hysteresis, minimal loss of hydraulic energy, and compact design.