Bison A&I Europe, S.L.U. Ronda de la Font Grossa, 17, P.I. La Gavarra , Centelles , Barcelona 08540 Spain About Solutions products Publications videos Downloads Companies Bison A&I Europe, S.L.U. Products Model GRA/GRB - Power Harrow Model GRA/GRB - Power Harrow From Power Harrows 0 Share Slip clutch pto shaft. CAT II three point hitch. Pto 540 rpm. Rear roller with bolts adjustment. Floating and adjustable lower hitch points. Spring armed side deflectors. Spring armed side defletors. Most popular related searches power harrow harrow harrow arm harrow adjustable spring harrow More about Power Harrow Downloads related to this product Model GRA/GRB - Power Harrow Brochure Customer reviews No reviews were found for Model GRA/GRB - Power Harrow. Be the first to review! Add your review Publish your review Great! review successfully added!