Roller Brake Tester test vehicle brake force, brake unbalance, brake efficient... Roller Brake Tester for testing vehicle brake performance.Parameters Max axle ... with different trackMeasurement Items Brake Force (N) Axle Brake Efficiency (%) Sum Brake Efficiency(%) Axle Brake Unbalance(%) Friction Efficiency(%) ... 5. The compact bench is compounded with brake tester and axle tester, space-saving, high ...