Designed for 35 to 55 horsepower tractors, the TH Series are built of 3” heavy duty square tube and offer flangette or pillow block ball bearings. They have a Category 1 hitch and are quick hitch compatible. The gangs have 1 1/8” square high strength axles. Each unit is equipped with lever controlled adjustable gang angles. The units have 7 1/2”, 9” or combination blade spacing with 18”, 20” or 22” notched blades standard. Plain blades optional.