RAD-241H Bus/RV Suspension


Parallelogram Air Suspension

An economical, lightweight drive axle air-ride suspension.

Ideally suited for transit, paratransit, shuttle and light truck applications. The low maintenance unit was designed to service the needs of maximum loaded vehicles operating in high-traffic metropolitan areas in China. It is now offered to the North American market.

RAD-241H is equipped with oversized bushings for ride stability and long term durability on irregular and deteriorated road conditions. Load distribution is 70% supported on the air springs, 30% on the main pivot bushing. The unit’s a “3-link” parallelogram trailing arm design with hinged axle seat provides constant pinion angle.

13,000 – 18,000 lb. capacity


  • ± .375″ axle alignment at beam; ±.75″ at spindle
  • Adjustable upper torque rod for setting pinion angle
  • Easily serviceable bolt-on axle mounting
  • Rubber and urethane bushings
  • Heavy duty shock absorbers
  • Variable mounting heights

Model RAS-238 (6,600 – 10,000 lb. capacity) is available as a companion air suspension for steer axle.