guyuan brand semi-feeding combine harvester (4lbz-150) main features: ? adoption of homebred diesel engine 4l68(or 4102) with high quality, its power reaches 40 (or46) kilowatts and the impetus is very strong and credible. ? adoption of a combinative structure mechanism of a stepless speed regulator and a special-purpose gear box and the hydraulic booster steering, which is simple and convenient and high in working efficiency. ? the wider and longer rubber tracks make it move smoothly and safely and be more adaptable to the requirement for reaping in the paddy field. ? the adjusting area of the crop-holding height for the header is so wide that it can be fit for more reaping requirements. ? adoption of the auger with big diameter for transporting wheat and rice is effective to resolve severe cutting abrasion and clog and reinforce the ability of reaping in the paddy field. ? the discal chaff-cutter, with specially external disposal, is wearable and durable and can serve longer.