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A stuck load-sensing compensator valve in the main hydraulic pump caused the system to default to low-flow standby mode
Worn orbital motor couplings and a failed steer axle pivot bearing caused excessive play and grinding noise
A sheared timing gear key and blocked fuel tank breather caused RPM droop and loss of power during simultaneous operations
A torn reverse clutch piston seal and clogged transmission cooler caused directional failure and rapid overheating
A loose flywheel ring gear and damaged crankshaft position sensor caused random engine stalling and starter lockouts
A cracked main control valve bonnet and scored bucket cylinder piston caused simultaneous loss of power and holding force
A worn torque converter impeller hub and low transmission fluid level caused cavitation and a 5-second lag before forward motion
A corroded inverter connection and failing speed sensor caused the hybrid system to disengage the drive motor randomly
A failed boom regeneration valve and collapsed main control valve spring caused cylinder cavitation and jerky motion
A failed torque converter stator and clogged transmission filter caused loss of power and rapid oil overheating
