Mitsubishi Corp. and Itochu Corp. will buy stakes in truck maker Isuzu Motors Ltd., the two trading companies said Thursday.

Mitsubishi Corp., Japan's largest trading firm, will buy 11.75 million preferred shares, whose face value is about 9.4 billion yen, for an estimated 27 billion yen. Itochu will acquire about 8.23 million preferred shares, whose face value is around 6.6 billion yen, for an estimated 20 billion yen.

Both Mitsubishi and Itochu declined to say how many preferred shares they will convert into common shares in the future.