Small-car grain suction machine motor is copper core of it? A: The motor is three kilowatts Copper national standard three kilowatts of power oil-in dual blowers aftermarket good, speed 1400 rpm! Yucheng Changjiang Machinery Factory welcome to our factory to visit ~~~~~~~~~~~~~~ oil dual-use material blowers dual-use good oil blowers offer, Changjiang Machinery, Dalian oil and electricity Dual blowers are provided by Yucheng Changjiang Machinery Plant. Yucheng Changjiang Machinery Plant (www.sdyccj.com) (www.sdyccj.com) Shandong Dezhou, agricultural machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. In Changjiang Machinery leadership with the staff warmly welcome all inquiries negotiations to create a better future Changjiang Machinery.