PC78UU-6 hydraulic pressure weak or pump whining under load? A worn 708-3T-11210 (K3V63) pump loses the volumetric efficiency that compact Komatsu machines rely on for responsive simultaneous boom and arm operation. RITO supplies this precision piston pump assembly rebuilt to K3V63 OEM specification to restore full PC78UU-6 hydraulic system response.
View More
