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hey tony. Glad you like the machine, it sure looks like a beast. We run an 07 8010 and i am very interested to hear your comparisons once you get into corn with her. I'm curious, did Case isolate those tracks at all with the frame?? or is it solid like the quadtrac tractors? you should love the accuguide it makes cutting beans way easier.
 

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What a great looking machine! Wish you all the best with it!

Really curious to know what spacing the tracks are at, do you know, or have a good guess?
They almost look to be right where an outside dual tire would be.

Thank you.
 

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their is only a few of these running arround. this one is flawless, it will run circles around a 8010. flex draper working great, but tore a belt yesterday. turned it around and went back to work. I don't think the draper belts will last that long. FT
 

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Excellent!
I was hoping that would be the case.
Tony do you know your track width and overall outside track width?

Don

A track combine turning within or nearly the same radius as its wheeled counterpart can be a blessing and a curse. Blessing, because it is convenient. A curse, because unless the undercarriage and supporting chassis is not beefed up considerably over its wheeled version, then disaster might be looming. I looked over the wheeled and tracked versions at the Farm Progress Show and did not see any noticeable difference between the 9120 and an 8120, which appears to be nearly the same as the 8010. If a track and a wheel combine can turn within the same radius, the track is exerting around 30-50% more force on the chassis (same with a tractor), depending on conditions. That's why track chassis are always heavier. It doesn't seem to be the case with the 9120 though.
 

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A track combine turning within or nearly the same radius as its wheeled counterpart can be a blessing and a curse. Blessing, because it is convenient. A curse, because unless the undercarriage and supporting chassis is not beefed up considerably over its wheeled version, then disaster might be looming. I looked over the wheeled and tracked versions at the Farm Progress Show and did not see any noticeable difference between the 9120 and an 8120, which appears to be nearly the same as the 8010. If a track and a wheel combine can turn within the same radius, the track is exerting around 30-50% more force on the chassis (same with a tractor), depending on conditions. That's why track chassis are always heavier. It doesn't seem to be the case with the 9120 though.
Actually Muddy the torsional forces on the combine would be far higher, at least on the quadtrak articulated tractor the forces are shared by the front and back tracks as they are turned in opposite directions
Additionally at times the weight on the tracks once you add large header, full grain tank, are far higher than the quadtrak would ever carry.
These look like they're straight off the quadtrak, an in house quickie track set-up. That they are not factory installed tells that tale.
We simply have to trust engineering on things and hope for the best.
My original point has to do with the apparent tighter turning circle of the CIH vs Lexion.

Don
 

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Wouldn't the track system be much easier on the drive train because the undercarriage is actually mounted on the frame of the combine instead of the final drives like the aftermarket track systems are. This would put the weight of the combine more towards the center of the machine or maybe I don't understand the dynamics of the system. On our Quadtrak the only force on the drive train is the actual driving of the tracks. I guess the Quadtrak system that has been used by Case for 15+ years is not up to Cat standards but I think it is a better system JMO.
 

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21 mph??? how fast do cats go...we passed some 485's a few years ago..and they were doing 10 or so....

just guessing but we flew by... not a nock on cat...just curious more to what are the speeds of other systems....

glad u like it..and that is true steigers have used that design forever...
 
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