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Direct hydraulic drive is thought to be the most powerful in the world

18 February 2013

The Hägglunds CBM is a new range of very large, heavy-duty hydraulic motors that eliminate the need for gearboxes and provides direct drive for high torque applications ranging from wind turbines and tidal stream generators to very large bulk handling and processing plant.

The CBM delivers 50 per cent more torque, is 50 per cent lighter than its predecessor and places less weight on the drive shaft to provide what is believed to be the world’s highest torque-to-weight ratio. In addition, the CBM delivers a number of operating advantages, including full torque from zero, protection from shock loads and four-quadrant operation.

Installation is made simple thanks to a splined hollow shaft that eases attachment to the driven shaft. Direct retrofit kits are also available to make the upgrade of an existing motor quick and easy. The motor utilises the Hagglunds DU drive unit to provide infinitely variable speed along with accurate load control and fast response.

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