Dual Wheel Hub Extensions

CAUTION: Avoid personal injury from tipping or falling wheels. Remove extension from hub before sleeve bolts are loosened.

Do not use extensions in combination with each other.

Hub extensions of 25.4 mm (1 in.), 127 mm (5 in.), 254 mm (10 in.), 330 mm (13 in.) and 381 mm (15 in.) are available for 20-inch through 38-inch rows.

NOTE: JDG679 wrench adapter, available from your John Deere dealer, must be used to tighten 127 mm (5 in.) hub extension.

Refer to the following charts to determine the correct extension to use.

NOTE: Either size extension will work when more than one size is listed.

Tread setting is possible without an extension if listed as w/o.

Inch dimensions only in the following charts. Multiply the inch dimension by 25.4 for the metric equivalent.

NOTE: Hub extensions not used with 2438 mm (96 in.) axle.