Auto size wheels were included in design for big tires, more weight and better traction, as well as high ground clearance.
Tractors were furnished with 15 or 16 inch wheels with or without tires so you could use old automobile tires for additional savings.
New 6.00x16 claw tread Allstate farmaster were recommended.
Flat steel wheels with ground gripping lugs were standard on pre-war handimans and an option for the handiman junior.
42# cast iron wheel weights were a $19 option.
'Draw bar pull, in pounds, and traction of ANY tractor on rubber tires can not be more than half the weight that is put on the wheels' David Bradley engineer