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Light-duty marine gearboxes of GQ/GA series, with GQ being a light-weight marine gearbox series, and GA being a high-speed marine gearbox series. Generally, with the two-grade deceleration, reverse clutch function and good maintainability, it is small in size, light in weight, flexible and reliable to be operated, and can adapt to long-term work under various load conditions.

According to the transmission capacity of the clutch and the center-to-center spacing of input and output, more than 20 kinds of products have been developed, currently mainly including GAS/GAST series and GQS/GQST series. The matching power ranges from 200kW to 1600kW, input speed from 750r/min to 2300r/min and speed from 1.5 to 20.5.