60 cm. Made by Huck (Handan) Agricultural Machinery Equipment Co., Ltd. 14 Huck corn harvester 20 14. According to relevant data, the grain and oil cylinder of this harvester is 60cm long, with stable performance, strong engine power and durability. It is the main agricultural machinery in the main corn producing areas, suitable for large corn growers to buy and become the right-hand man for farmers to harvest corn.