Posted 9/18/2011 10:19 (#1967328 - in reply to #1966567) Subject: Re: IH 686 pros and cons
Clearville, Pa.
The way to tell if it has a 312 vs 310, 312 has two vertial oil filters on the engines, 310 is horizonial. We bought one new in 1976 312 engine and pulled a 2 row 717NH harvester, It would put any 3020 JD to shame.
IH 686 pros and cons
