Approved Rear Tires

TRACTOR	APPROVED TIRES
2305	26 x 12.00-12 4PR R4
2320	9.5-16, 4PR (R1) 31 x 13.50-15 4PR (R3) 12-16.5 4PR (R4)
2520 and 2720	36 x 13.50-15 4PR (R3) 12-16.5 4PR (R4) 14-17.5 6PR (R4)

The tires listed are recommended when used in conjunction with front tires recommended in your tractor Operator’s Manual. (Also, see APPROVED FRONT TIRES in this section.)

NOTE: Liquid ballast is recommended in all rear tires as part of required total ballast. Fill tires 3/4 full using a calcium chloride mixture of 1.6 kg (3.5 lb) per 4 L (1 U.S. gal) of water.