... linkage, wiper motor, washers, washer pump, wiper assembly for car, big bus, truck, ship, train, tractor and engineering vehicle ... - 40" (300mm~1000mm). Our wiper motor, wiper assembly for big bus, engineering vehicle are popular not only in China but ... us.Remark: The photos showed here are for your reference. Welcome customerized designs/drawings cooperation. Windshield Wiper System for Big Bus