Posted 1/14/2012 12:00 (#2161369 - in reply to #2161193) Subject: Re: difference between john deere40 series and 50 overhaul
NE Alberta
The late 40 series also had the crank driven oil pump. 6466DR engine serial 160280 and up for 4240. 6466TR engine serial 160130 and up for 4440. Sorry I don't have the splits for 4640 and larger.