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Forged parts

Functional unit assemblies composed of parts, which is developed and manufactured by making full use of DC, heat forging, cold forging technologies and most advance research and test equipments in Yanagawa group, are provided as high efficiency and quality products.


Manual transmission assembly

Manual transmission assembly


4 pinion forged differential

Original ideas to be incorporated in products. Pursuing high function, weight reduction and cost saving, our original ideas are embodied and reflected on our original product.

4 pinion forged dfferential

This lighter differential contributes to weight reduction of total transmission unit.



Weight reductionCost saving

Pursuing high function