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Komatsu — recall

Automotive · Japan · 2025-10-17
Origin: 日本

Komatsu was recalled in Japan on 2025-10-17. In the hydraulic oil tank breather of shovel loaders, due to improper dimensional control of the groove that seals the cover and case, a gap may occur between the bayonet (resin) on the case side and the bayonet (aluminum) on the cover side. Additionally, due…

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CountryJapan
CategoryAutomotive
Published2025-10-17
Country of origin日本
ManufacturerKomatsu Ltd.
Models affectedWA80-8, WA100-8, WA150-8, WA200-8, WR12-8
Units affected1269
DefectIn the hydraulic oil tank breather of shovel loaders, due to improper dimensional control of the groove that seals the cover and case, a gap may occur between the bayonet (resin) on the case side and the bayonet (aluminum) on the cover side. Additionally, due to insufficient consideration of O-ring dimensions, the compression allowance may be too small. As a result, the O-ring may not be able to 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.
ComponentPower transmission system (hydraulic oil tank)
RemedyFor all vehicles, replace the O-rings with improved parts.
Recall number5724
Official noticeView source ↗

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