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Idaho | Stock S680 with axle extensions from final to final is 150 inches. A 650/85R38 tire is 25.6 inches wide. Offset of outside wheel is approx 15" from the center of the wheel. From center of outside tire to outside is half of the tire width (25.6") 12.8". The spacer between the duals is like 1". So you have 150 + (15" x 2) + (12.8 x 2) + (1" x 2) = approx 208 inches. To get a visual idea I found a diagram on Hillco's website.
http://www.hillcotechnologies.com/hillside-specifications.html
Their tires are 24.5 inches wide and their final to final is 158" vs 150" for a stock combine. Corn head is 8 x 30" or 240" so you should be ok. | |
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JD S680/690 Width
