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Use this guide to assist in selecting the front and rear tires.
1.
Front Tire Selection
NOTE:
Not all tires are suited for all combines.
Use the "Front Tire Selection, Header Compatibility, Final Drive Selection and Row Spacing Chart" for the combine model choice.
Decide on single tires or duals, then select the tire width and size desired in the left-hand column.
Follow the column to the right and check the desired tire compatibility with all the indicated platforms. An "X" in the box indicates the header is compatible with the tire configuration.
Follow the chart to the right and select the required final drives for the selected tire.
NOTE:
Not all tire sizes can be spaced to fit the row spacing.
Determine the tire centers by moving across to the right. Select the tire centers by starting with the row spacing of the crop. Tire centers matching row spacings are shaded. Inside and outside tire measurements are also given to help aid in the tire choice. Required wheel and axle spacers are listed for each wheel center.
Again move to the right and find the required ladder extension for your final selection.
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2.
Rear Tire Selection
Use the "Rear Tire and Axle Selection, Spacing and Front to Rear Compatibility Chart" to select the rear tire options that are compatible with the front tires.
Select the rear tire of preference.
Move across the right to match the tire centers. Fixed axle, adjustable axle, and regular or heavy duty spindles options are listed.
The far right column gives the dimensions to add or subtract for the outside or inside dimensions.
NOTE:
Rice combines come with high rise final drives, which will raise the front axle 118 mm (4.65 in.). This will need to be added.
Use the "Front to Rear Height Differences" for the selected tire. Find the selected front tire, and look in the boxes below to see the height differences (attitude) between the front and rear tire. A positive value indicates the back is higher than the front. A negative value indicates the front is higher than the back. The adjustable rear axle has two positions, 1 and 2 (a difference of 60 mm (2.36 in.)) which is shown.
3.
Ballast Requirements
Use the "Ballast Requirements Chart" to determine the correct amount of weight need for each platform.
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