John Deere 8420 Tractor Values: Avg. Auction Price So a 7.4% dip in value so far this year for John Deere 8420’s on average. Deere made the 284 HP model from 2002 - 2005.

This 2002 John Deere 8420 with 2,359 hours sold for $155,000 on a May 4 farm auction in DePere, WI. That’s the 5th highest auction price ever on a 8420.

MATTOON — A new John Deere parts distribution center is set to open this spring in the former LSC Communications Printing Co. plant in Mattoon.

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.