Posted 8/16/2010 19:56 (#1318367 - in reply to #1317915) Subject: Re: Bad engines in 70 series John Deere Combines
Southeast Iowa
If you see the trouble code 637.10 on your 70 Series combine, the crankshaft is broken in the #6 connecting rod journal. The machine will still run and even limp in to the dealer, but the crank is in two pieces.