Adjusting Tractor Wheels

NOTE: Adjust tractor wheels toward upper end of specifications to improve:

  • Bale shape by crowding ends of pickup

  • Ability to pick up crop

Adjust front wheels to provide an inside tire-to-tire dimension according to specifications.

Tire-to-Tire Inside Dimension
457 and 457S 1372-1524 mm (54-60 in.)
557 1676-1829 mm (66-72 in.)

 
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Adjust rear tractor wheels to provide an outside tire dimension of 2591-2743 mm (102-108 in.).

IMPORTANT: Do not make extremely short turns or cause the baler to jackknife while backing, as damage may occur to the PTO driveline and gathering wheels.

If gathering wheels are installed, the outside dimension of the rear wheels must not exceed:

  • 457 and 457S ; 2286 mm (90 in.)
  • 557 ; 2388 mm (94 in.)

NOTE: If tread setting is too narrow, operator will not be able to make properly shaped bales without driving on windrow. This may result in bales with soft ends and loose twine. (See INTERPRETING BALE SHAPE INDICATORS in Operating the Baler-BALE WATCH section or INTERPRETING BALE SHAPE BARS in Operating the Baler-Bale Trak PRO section and WEAVING IN THE WINDROW in Operating the Baler section.)

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