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Suspension Systems > ULTIMAAX


Advanced Severe-duty Rubber Suspension

Drawing on 100+ years of experience, Hendrickson has employed the latest engineering advancements and expertise to develop the ULTIMAAX®severe-duty rubber suspension, designed to balance outstanding durability, empty ride quality, loaded stability and mobility. Through its unique design, the system offers premium ride quality in both empty and loaded conditions, with increasing stability as the load increases.


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  • Recommended for fire/rescue, dump, logging, refuse, mixer, oil field, military and mining applications
  • Optimised design to balance robust durability and weight savings
  • Progressive rate springs provide a unique balance of unloaded ride quality and loaded stability
  • Fabricated walking-beam design equalises axle loading while providing optimal clearance, axle travel and weight
  • Capacities up to 48 t