PY220Y BULL DOZER 1.CUMMINS ENGINE 2.ROPS FOPS CABIN 3.KOMATSU TECH. 4.BEST PRICE AND GOOD QUALITY pt220y bulldozer main specification1. Design of the machine is reasonable and the performance is advanced with high technical.2. The engine power reserve coefficient is high, big output torque, low fuel consumption and reliable operation.3. Hydraulic transmission, automatic speed control and change ...