Southern Pa. | WItitan2 - 6/19/2015 09:13
I believe they made the 6620t2 into 89 for the sidehills. Serial # 610301 and up should be titan 2. Tailings elevator, sieves look different.
1988 was the last year of the XX20 series combines, except for the 6620 sidehill which was kept for one more year. Titan ll combines have longer sieves, (I think, correct me if I'm wrong), they definitely have a tailings elevator setup similar to the 9000 series, a green roof, and the chaffer/sieves were sped up. (Walkers too??) This was to help increase capacity.Some folks change them back to the slower speed to help lengthen shaker bushing life.
I don't know if it's makes a big difference in reliability/capacity or not,or how big a deal it is to change it back. Maybe someone else can help you with that information.
Used to own a 6620. It did a great job for a combine that size.
Kinda curious how yours is a Titan ll with the serial number that it has?
Good luck!
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Deere 6620 Titan II Combine Year?
