A recall of about 39,000 John Deere ZTrak zero-turn mowers with Kawasaki engines is underway in the U.S. The voltage regulators in the engines can fail and lead to overheating.

Immigrant children as young as 14 were found working amid heavy equipment at a Tennessee firm that makes parts for lawn mowers sold by John Deere and others. The company, Tuff Torq, was fined ...