ZF-DUOPLANTwo-speed Gearbox for Machine Tools


The ZF Duoplan, two-speed gearbox is mainly used in machine tool main-spindle drives. The Duoplan helps widen the power range of motors. Used in reduction it provides high torque at low speed for rough cutting. In direct drive the Duoplan maintains the motor’s high speed for finishing cuts. The two speed gearbox allows the cutting power of modern tools to be fully utilized .

Product Information on the Transmission


When contacting ZF Services, LLC for technical support, be sure to provide the product identification from the Type Plate. The Type Plate also identifies the lubrication type and unit identification info. The 10 digit part # for this product line will start with 4171.


ZF Services, LLC remanufactures the Duoplan in Chicago, IL. In order to ensure quality, each unit uses genuine ZF parts and is testing on a factory test bench.

Learn more about Remanufacturing at ZF Services

Technical Support

ZF Services, LLC offers Technical Support from 7:00 AM to 4:00 PM CST at 847-478-6782. If Tony is not available, please do leave a message and he will get back to you as soon as possible. You can also chose to press Zero during the voice mail message to go to the oporator

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