... Configuration:1)3 in 1 test line:Brake tester with axle load,Sideslip ... tester and PC control unit2)4 in 1 test line:Brake tester,Suspension tester with Wheel load,Sideslip ... double plates) and PC control unit3)5 in 1 test line:Brake tester,Suspension tester with Wheel load, Sideslip ... the KL or CL test line is able to integrate with other digital diagnostic device:Gas analyzer,Smoke meter, ...