This quick coupler is an ISO5675 standard hydraulic quick coupling, 1/2" body size with 1/2" NPT Female Thread, the quick coupling use a ball locking
mechanism that provides smooth operation time after time, the valve is ball, comparing with poppet style, there is no seal ring on the valve, it can work at
higher temperature, because there is no limited temperature for the seal ring, the disadvantage is the fluid cannot be dirty, it is easy to leak if there is
impurity adsorbs on the ball. but if not impurity, and work in the good condition, the ball valve can work with a longer life. They can be used on lots of types of equipment, currently, as we know they have been used on snow plows, garden tractors, full-size tractors, front-end loaders, skid steer loaders, earth
moving, and mining equipment.
Interchangeable:
Gute C1 Series - type 1 ( we have 2 outlooks, this one is our own outlook design, and another is OEM outlook design)

Female: GT-C1-04T-S-NPT12
Male: GT-C1-04T-P-NPT12
Complete: GT-C1-04T-SP-NPT12
Parker 4000 Series
Female: 4050-04 or 4250-4
Male: 8010-04
Safeway S20 Series
Female: S25-4
Male:S71-4