Komatsu — recall

Automotive · Japan · 2025-02-19

Komatsu shovel loaders' HST valve control program has insufficient design review, causing hydraulic issues

Country	Japan
Category	Automotive
Published	2025-02-19
Manufacturer	Komatsu Ltd.
Models affected	WA470-10
Units affected	62
Defect	In the control program for the HST valve of the hydrostatic transmission in shovel loaders, due to insufficient design review, hydraulic pressure may be released at a lower pressure than commanded, making it impossible to control the transmission according to vehicle speed. Consequently, if the transmission fails to shift and the vehicle accelerates, the HST motor pump's rotation speed measurement sensor may detect an abnormality and issue an error, causing the transmission to shift to neutral, and there is a risk of the vehicle stopping.
Recall number	5615
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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