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A sheared swing motor splined adapter and blocked drain line caused total loss of house rotation
A burst aftercooler core and clogged air-to-air radiator caused severe intake starvation under heavy bucket loads
High-resistance battery connector pins and a burnt 1A contactor caused the drive controller to shut down on ramp inclines
A stuck boom holding valve and blocked orifice caused a terrifying 2-second hang before the boom fell uncontrollably
A blown pilot manifold O-ring and worn lift spool caused the bucket to stall completely under maximum payload
A broken tilt-lock valve spring and scored carriage valve spool caused the mast to lurch when lifting heavy loads
A stuck hammer relief valve and cross-contaminated case drain filter caused erratic impact cycles and severe hydraulic heat
A ruptured brake accumulator bladder and degraded fluid caused complete loss of park brake holding power and delayed service braking
A sheared crankshaft key and warped lift pump manifold caused severe fuel starvation under high-load hydraulic cycles
A clogged diesel oxidation catalyst and failed intake throttle valve caused persistent derates and regen failures
