Worksheet to Calculate Ballast Changes

Ballast must not exceed weight required to result in recommended percent slip at 6.6 km/h (4.1 mph) MINIMUM.

Complete this entire worksheet before adding or changing any ballast or air pressures.

 

Front

Rear

Total

1. Determine desired weight split for your operation.

_______ %

_______ %

 
       

2. Record desired weight of tractor (See Ballasting Guide).

   

_______

       

3. Percent of Weight Split from Step No. 1 multiplied by Step No. 2 (Desired Weight) results in Total Front Weight. For Rear Weight, subtract front weight from Total Weight.

________

________

________

 

4. Weight of tractor as determined from the Unballasted Tractor Weight Chart or weight from scale.

________

________

________

       

5. Ballast needed (subtract tractor weight in Step No. 4 from desired weight in Step No. 3.)

________

________

________

       

6. Add ballast.

________

________

 
       

7. Add ballast from Step No. 6 to weights from Step No. 4.

________

________

 
       

8. Set tire pressure for operating conditions using weights from Step No. 7. (See appropriate inflation pressure table).

________

________

_______

       

NOTE: You are now ready to test for wheel slippage. See Measuring Wheel Slip—Manually in this section of this Operator’s Manual.

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