Cheshire Farm Machinery Marbury House Farm Bentleys Farm Lane Higher Whitley Warrington , Cheshire , England WA4 4QW United Kingdom About Solutions products Companies Cheshire Farm Machinery Products Model HK31 - Power Harrow Model HK31 - Power Harrow 0 Share The Howard Power Harrow HK31 is a power harrow for medium & big size farms to work behind tractors up to 170HP and is available in 2.50m, 3.00m, 3.50m, and 4.00m working width. Most popular related searches power harrow harrow Customer reviews No reviews were found for Model HK31 - Power Harrow. Be the first to review! Add your review Publish your review Great! review successfully added!