... line tester is a flagship embodying years of production experience, the optimal engineering and quality control Test lineThe KZZD roller brake tester is ... (mm)850-2000850-2950850-2950Roller Diameter (mm)Φ200Φ245Φ245Roller Length (mm)70011001100Motor Power (kW)2.2/ 4.011x215x2Power SupplyAC 380V ... , 50Hz, groundAC 380V, 50Hz, groundAC 380V, 50Hz, ground Vehicle Test line Axle Load & Brake Tester