This is on our GVM Predator which uses the JD cabs. I didn't like the $250 plus either for the bracket. And did not like using the small short screws where the GS1 was mounted. Here what I did. This attaches to the bolt up under the head board for the main support and just uses one small screw on the side. The flat bracket is the old GS1 bracket reformed for the 2600.
 (6-30-2010 196.jpg)
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 6-30-2010 196.jpg (29KB - 595 downloads)
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GS2 bracket for JD Combines 50-70 series?
