Gookma crawler tractor owns independent core technology, obtained a number of invention patents, fill the market gap. Gookma crawler tractor includes different series from 50hp to 160hp, suitable for different purposes in different fields, such as cultivating, ploughing, ridging, soil leveling, planting, seeding and weeding etc in general water fields, deep water fields, dry fields, tobacco fields, plains and mountains, orchards and vegetables greenhouses etc., suitable to work on small fields and big fields, greatly serve for the agricultural modernization.