... ,QY80,QY70K,QY65K,QY50K,QY50B,QY35K,QY25K5,QY25K,QY25E,QY25A.... Truck Crane:QAY200,QAY160,QAY130,QAY50,QAY25,QY130K,QY100K,QY100,QY80 ... winch system with variable displacement pump and motor has constant power and can get lower speed with heavy load, higher speed ... , faster travel speed, suitable for rapid work-side transfer QY50 Truck Crane