Komatsu — recall

Automotive · Japan · 2026-01-14

Komatsu shovel loader hydraulic oil tank breather has improper dimensional control

Country	Japan
Category	Automotive
Published	2026-01-14
Manufacturer	Komatsu Ltd.
Models affected	WA100-8 and others
Units affected	17
Defect	In the hydraulic oil tank breather, a replacement repair part for shovel loaders, due to improper dimensional control of the groove that seals the cover and case, some units have a gap between the resin bayonet on the case and the aluminum bayonet on the cover. Additionally, due to insufficient dimensional consideration of the O-ring, some units have a reduced compression allowance. Consequently, the O-ring cannot sufficiently fill the gap, and if use is continued as is, hydraulic oil may leak significantly due to the internal pressure of the hydraulic oil tank.
Recall number	5764
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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