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TRAILER SUSPENSION

Posted: August 1, 2014

ArvinMeritor has unveiled an all-new series of trailing-arm, air-ride trailer suspensions aimed at vocational markets – that is, platform, tank, grain, dump, chassis, bulk, specialty, lowboy, livestock and specialty vans. This new MTA series of top-mount and low-mount models completes the company’s lineup of air suspensions. Production is set for the fall of 2010, with five subsequent models to be unveiled late in the year and through summer 2011. 

The suspension series features three technology advancements, the manufacturer says: first is the patented pivot bushing, said to bring a softer ride, more cargo protection, and reduced torsional stress on the vehicle’s structure. With steel interleaf shims in the bushing, you should see better fore/aft stiffness, aiding in dynamic axle alignment, better tire wear, and controlled roll steer. 

The suspensions also sport larger, more robust shock absorbers, specifically tuned to the Meritor suspension with a claimed three times the damping power of competitors. Larger bore design is said to mean greater suspension control and more consistent tire contact with the ground, bringing reduced tire tread wear, improved braking and enhanced handling.

The patent-pending axle wrap design is unique, offering a secure and durable axle connection while contributing to superior suspension durability, according to company engineers.

The integrated design includes Meritor trailer axles and brakes and is available with Q Plus cam or air disc brakes, automatic slack adjusters, the SteelLite X30 drum and lightweight hub, and the MTIS (Meritor Tire Inflation System) by PSI.

The suspension offers a five year, 500,000 mile warranty.

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