Posted 8/1/2013 12:04 (#3241792 - in reply to #3241767) Subject: Re: 1666 vs. 2166
North Central Iowa
you can use a 4 row wide head on a 1666 or 2166 but you have to really push it. I would say a 6 row narrow is a nice fit for a 1666 or 2166. We run a 2166 with 6 row narrow and also have a 1688 that we will run a 6 row but plan to switch to an 8 row.