A: A noticeable drop in oil flow rate under high loads, elevated pump casing temperatures, and unusual whining noises. These symptoms suggest that the valve plate tolerances have widened, letting pressurized oil slip back into the suction side.
A: Technicians must fill the pump casing with clean hydraulic fluid through the top drain port before starting the engine. This step ensures the internal bearings and piston shoes are lubricated during the initial startup.
A: Both codes share the same 63cc displacement per revolution, mounting configuration, and regulator type. Checking our application database confirms that this unit functions as a direct replacement for the specified equipment series.
Q: What quality options are available?
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.






















