"3 POINT HITCH PTO DRIVE; STEEL WELDED FRAME; DOUBLE 60 DRIVE CHAIN GEAR BOX; 2 4:10X6 TIRES; 12 BLADED STEEL WELDED IMPELLER,SPECIAL DESIGN FOR HIGH VELOCITY,HIGH VOLUME AIR MOVEMENTS 250 MPH AIR BLAST IN EITHER DIRECTION OPERATED FROM TRACTOR SEAT; 1.500 IN HIGH CARBON STEEL IMPELLER SHAFT"