Description
When you’re dealing with Komatsu equipment hydraulics, you need fittings that match the exact Japanese Industrial Standards that these machines were built to. This JIS female fitting with its 60-degree concave seat creates the proper metal-to-metal seal that Komatsu engineers designed into their systems. No leaks, no pressure drops—just reliable hydraulic power when you need it most.
What You’re Getting
- True JIS specification with 60-degree concave seat for proper sealing
- M30x1.5 metric thread matches original Komatsu specifications exactly
- Female crimp design for secure hose attachment that won’t blow off under pressure
- 29mm cutoff allowance gives you the right hose preparation length
- Built to handle the high pressures that Komatsu hydraulic systems operate at
Built for Heavy Equipment Work
This fitting is designed for 5/8 inch hydraulic hose on Komatsu construction and earthmoving equipment. Whether you’re running an excavator, dozer, or loader, these machines put serious demands on their hydraulic systems—from lifting heavy loads to precise control movements that require consistent pressure.
Made to Last
Construction equipment hydraulics see some of the highest pressures and harshest conditions in the business. This fitting uses the same concave seat design as original equipment, which creates a stronger seal than flat or convex alternatives. The precise thread form ensures proper engagement without cross-threading.
Installation Notes
This is a crimp-style fitting, so you’ll need the proper crimping equipment and dies for your hose size. Cut your hose to allow for the 29mm insertion depth, and make sure both the fitting and hose end are clean before assembly. A properly crimped connection will outlast any clamped fitting when the pressure’s on.
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