Magnum is able to provide Solid Skid Steer Tires for most common sizes:

Available in Traction tread and Smooth Tread

27X10.5-15, 33X12.5-15, 36X13.5-15, 31X15.5-15, 33X15.5-16, 31X13-16.5,

10-16.5 , 12-16.5, 14-17.5, 12.5X80-18, 32X10-20, 405/70-20