... pattern plate frame.Running gearAxle: 3 units of 13 tons axle Suspension: Double axles leaf spring suspension system,leaf spring 8 ... pipe line air brake, WABCO brake valve, front axle is 30 air chamber, rear axle is 30/30air chamber.Electrical system : 24V ... LOHR standard Surface treatment(1) Shot blasting for complete semi-trailer(2) Primer coat and final coat, color according to the ...