Important notice: All uesers please attention, we has upgraded the straight tooth into helical tooth for the gearbox of following series: 10 type, 120 type, 130 type, 140 type, 168 type. We has stopped the production of straight gearbox. If the user needs to replace the gearbox gear, please check they are straight or helical teeth. If helical teeth, it's no problem to replace them directly. If straight teeth, better to replace the complete gears with bevel gears. Please note that the bearings are different in straight gearbox and helical gearbox.
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