A sealing plug suitable for is sold here TUFF TORQ Suitable for TUFF TORQ Hydrostatic transmission. If you are not sure whether this plug fits your gearbox, just write an email. If you have problems identifying your transmission, I would be happy to help you. I'll check it and tell you afterwards Notice. TUFF TORQ Drives have been and are installed by many well-known garden technology manufacturers. Diameter of the hole in the gearbox 30mm More TUFF TORQ Spare parts on request.