Kubota — recall

Automotive · Japan · 2025-07-25

Origin: 日本

Kubota combine harvester power transmission system has inadequate design welds

Country	Japan
Category	Automotive
Published	2025-07-25
Country of origin	日本
Manufacturer	Kubota Corporation
Models affected	DR472
Units affected	618
Defect	In the power transmission system of the combine harvester, due to inadequate design review, some welds around the tension arm pivot shaft have insufficient penetration. As a result, stress concentrates on the insufficiently penetrated weld areas due to vibrations and impacts during machine operation, which in the worst case could lead to the tension arm pivot shaft breaking, making the vehicle unable to drive.
Component	Power transmission system (tension arm pivot shaft)
Remedy	All affected parts will be replaced with parts that have implemented the following countermeasures: ① Increased the diameter of the tension arm pivot shaft and added welding. ② Increased the plate thickness of the tension arm to improve rigidity. ③ Changed the tension spring to allow for more clearance in the compressed length. ④ Added a pivot point to the tension rod assembly.
Recall number	5696
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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