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Tyre Inflation System

A value-added option for INTRAAX® trailer suspension systems, TIREMAAX™ PRO helps fleets and owner operators in their efforts to minimize costly tire wear and improve productivity and fuel mileage. TIREMAAX automatic tyre inflation systems provide a basic, responsive approach to help you extend tyre life and increase fuel efficiency. These patented systems draw from the trailer air supply to keep you trailer tyres properly inflated rolling smoothly.


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Calculate the Return on Investment for your fleet by installing TIREMAAX on your trailers.

Calculate Savings

Increase Tyre Life, Fuel Mileage and Productivity

  • Automatically checks tire pressure
  • Directs air to tyres that fall below a preset pressure level
  • Trailer-mounted indicator alerts operator to system status
  • Bolt-in, ball-bearing rotary union
  • Aids in reducing run-flat failures and improving casing life

Increase Your Uptime

  • Helps extend service intervals for tyres
  • Helps reduce costly roadside service due to tyre failures

Calm Your Frustration Level

  • Backed by Hendrickson full-service support professionals
  • Check valves help prevent tyre pressure loss back through system
  • Independent trailer-based system — no tractor modifications required
  • Manual pressure check and fill available at hose end
  • May be combined with any INTRAAX  wheel-end configurations
  • No modification required to tyre or wheel
  • In-line check valves isolate each tire
  • Seal or line leaks will not pressurize wheel ends
  • Does not pressurize the axle tube
  • Incorporates the patented Hendrickson axle filter
  • Vents through the axle to help prevent wheel-end contamination
  • Trailer-mounted indicator illuminates only when maintenance is required
  • Serviceable filter at supply port helps keep lines and seals clean
  • Comes preprogrammed in pressure settings from 70 to 120 psi in five-psi increments
  • An integrated pressure control unit allows target pressure to be reset to any value other than the factory preset value
  • Checks tire pressure continuously without pressurizing the axle or wheel ends
  • Indicator comes on when system flow exceeds approximately 0.7 cfm
  • Supply port takes 1/4-inch NPT fitting, delivery port takes 1/8-inch NPT fitting