Universal 1/2 NPT Quick Disconnect Coupler Set for Heavy-Duty Hydraulic Systems. Universal 1/2 NPT Quick Disconnect Coupler Set. Engineered for heavy-duty hydraulic systems, this quick disconnect coupler set redefines efficiency and reliability for your machinery. Universal Compatibility: Designed with a 1/2" NPT Thread and a 1/2" Body, our couplers interchange seamlessly with a majority of skid steer loaders, including renowned brands like Bobcat, Case, New Holland, and Kubota. Improved Flow Performance: The latest improved design enhances flow rate, ensuring your equipment ...