Hi Hector, If you are still looking then perhaps we can help? We stock 4m, 5m and 6m Agritrend chain harrows. We’re located in South Devon however we can ship throughout the U.K. www.crwillcocks.co.uk/agriculture/new-agriculture/new-ploughs-drills-cultivators-harrows/chain-harrow-by-agritrend

Try this video of the front mounted version ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cCxxUKFi13M.html