UniBlock - UB

UniBlock - UB

Our premium “Universal Block” designed for a wide range of 20,000 lb axle applications


Marathon offers its UB lining formulation to fleet operators looking for a quality material to deliver dependable stopping power. UB is ideal for over-the-road dry freight, general hauling, and other standard heavy duty vocations where severe braking demands are not requirements. This proven formulation meets Federal regulations in accordance with FMVSS 121 test procedure and is rated for 20,000 lb axle loads.

UB linings feature the Hi-Density Marathon formulation that will improve your bottom line through better performance and fewer maintenance headaches.

UB Delivers

  • High value cost-per-mile performance
  • Hi-Density formulation out performs competitive linings in its class
  • Dependable stopping performance
  • Ideal for general freight hauling
  • Drum friendly

Test Results

Testing conducted in accordance with F.M.V.S.S. #121 criteria @ 20,000# axle load: 16 1/2 x 7" S-cam air brake; 30 x 5.5 input power; and a 19.6 inch tire rolling radius. Shaded area indicates non-compliance.

Friction Varied Application

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