Minnesota man who has restored John Deere tractors in retirement plans August auction Ken Nieland began restoring tractors among other projects since his retirement in 2002.

A 1974 John Deere 4430 with 2,021 hours recently sold for the second-highest auction price ever for a 4430 on April 5.

Walton County resident and retired physician James Sheppard has collected and restored more than 150 Vintage John Deere and Caterpillar tractors..