| Show Improve mei me i on tractor A new attach a nt it designed to give the small tractor renter bearing area and increased pu ing pow power er replaces rep aces the round whee f 1 with two large arge sprockets acco accord rg g to popular me ale chanice magazine magazin outside of each sprocket Is a en ca t steel arm v which projects forward nd downward car rrene at its frontena front fron tend end a smaller llan idler wheel A track istead ead e passes around the sprocket and lad I 1 adler wheel giving the tractor inc ne ea bearing area |