Posted 11/19/2012 10:37 (#2705779 - in reply to #2705764) Subject: Re: John Deere 8640
NE Indiana
<p>Basicly the front axel is bolted to the engine as part of the frame. This puts a lot of stress on the engine which twists the block causing all kinds of engine problems. 50 series engines help but are not a cure all.<br /><br /><br />edit: this engine is used in construction equipment and is bullet proof. </p>