... 50t towing mass 2.6X4 3. New brand trailer Truck modelSTQ4250L7Y9S3Approach angle25° ColorRed,white,silverDeparture angle45° Overall ... 430mm SUSPENSION SYSTEM Front axleDF Dana single 7T front axles,with Anti-roll bar,Widened track width Rear axleDF ... Dana double 13T rear axles,with Anti-roll bar.Default axle Ratio: 4. ... brake,3.Assistant brake:engine exhaust brake trailer