The 55 belongs to the first generation of unequal wheel rubber track Challenger crawlers. This excellent example was seen ploughing in muck 12 years ago with a Gregoire Besson 6f plough.
A clip from the Rubber Track Revolution DVD. This programme charts the development of rubber-tracked crawlers including models from Case IH, Cat, Challenger, Claas, John Deere and Morooka. They were filmed on British farms in 2010-11 subsoiling, ploughing, cultivating, discing, pressing and drilling. www.anglianagrimedia.co.uk/rtr...