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Meritor OnTrac

Meritor Driveforce


Meritor is one of the world’s largest independent manufacturers of commercial vehicle axles. Our 65 years of experience designing and manufacturing trailer components puts us at the forefront of axle innovation. Meritor axles incorporate features that maximize quality, extend life and minimize maintenance.

Our Frankfort, Ky., manufacturing facility produces axles using 100 percent North American materials and components. Meritor takes pride in offering a complete commercial axle portfolio with a wide breadth of solutions for global trailer applications:

  • Axle beams carrying a gross axle weight rating from 20,000 to 30,000 pounds.
  • Tracks from 30 to 104 inches.
  • Straight-beam and crank axles available.
  • Drum and disc brakes available.
  • Available in various integral spindle profiles.
  • ABS and stability enhancement systems available.
Meritor Trailer Products Bruchure


Our trailer axle portfolio is comprised straight and crank axles. Each can be further customized per your application needs.

Meritor offers axles with a variety of spindle types. Choose from our TN, TQ, TP or TR series of spindles:

  • Thirty-six pounds lighter than the industry-standard
  • Greater stiffness and rigidity reducing axle deflection
  • Reduces gross trailer weight to deliver greater fuel economy and more available payload
  • Available with TN/TQ and TP spindle profiles
  • Drum and disc brakes available

 Features and Benefits

Meritor trailer axles are extremely lightweight:

  • Meritor axle beams are 15 to 20 pounds lighter than equivalent competitor beams.
  • Lightest-stamped spider in its class.
  • Optimized axle wall that doesn’t sacrifice strength.
  • Lightest Automatic Slack Adjuster (ASA) on the market.
  • SteelLite X30™ Drum can reduce vehicle weight by up to 300 pounds per tractor-trailer combination.

They are durable:

  • Seam-welded axle tube with consistent wall thickness extends vertical fatigue life by 1.5 times.
  • Integral formed spindlewith five times longer life than competitive offerings.
  • Rolled spindle threads deliver increased strength.
  • Patented barrel-shaped brake roller allows for even lining wear.

They are highly serviceable:

  • Patented bolt-on bushing retainer allows replacement or service of camshaft components without removing a hub.
  • Q Plus™ Cam Brake features patented quick change shoes and comes standard with bolt-on cam bushing retainer.
  • EX225 Air Disc Brake offers a wide range of electronic and visual pad wear sensor options to improve pad inspection.
  • Meritor Automatic Slack Adjuster (ASA) reduces brake maintenance cost by using fewer moving parts and threaded grease fittings.
Meritor Trailer Products Bruchure


Meritor produces more than 50 different trailer axles for a broad range of trailer applications. Additionally, Meritor axles are used in air ride and mechanical suspension system applications and are available with a number of brake and wheel-end options:

Meritor axles come standard on Meritor MPA and MTA series suspensions.



Meritor's support systems ensure that you have all the assistance you need when using our products.


Meritor's field sales force handles your commercial vehicle needs cradle to grave. Learn more at the dedicated DriveForce™ section of our customer center.


OnTrac customer support center agents are dedicated to assist dealer, fleet and end-user customers with diagnostics, technical support and warranty mediation (agents fluent in Spanish and French available). Find out more at our dedicated Warranty Support section.


All trailer products are backed by Meritor's comprehensive industry-leading warranty.

Aftermarket Parts

Meritor's Aftermarket business supplies replacement parts for trucks, trailers, buses and vans across the globe under a number of respected industry-leading brand names. Find out more at our dedicated Aftermarket Products section.