Four Post Road Simulators are the workhorse for ground vehicle development, from lawn tractors to large off-road construction equipment. Couple Shore Western 94 Series actuators and high precision three stage servo valves with Real Time Active Control (RTAC) and you have the perfect ingredients for a reliable, easy to use and accurate Four Post Road Simulator. Push button reproduction of spindle acceleration means that novice operators can recreate road profiles easily, without long-winded training or specialized personnel.

Passenger Car Four-Poster Rig

● Optimized 94 Series Actuators high side load low friction
● 3-stage servo valves for high velocity (1-4 m/sec)
● Static supports for bus and large truck
● Complete set of wheel pans with restraints

4 posters can be used for comparing the ride quality of vehicles They can be used to ensure the vehicles have no squeaks and rattles. This may be done at the end of a production line, or as part of a full vehicle durability test in an environmental chamber 4 posters are used in the vehicle development process to evaluate durability and they can be used to test for noise, vibration and harshness.

Heavy Agricutural Vehicle

● Systems are available for testing everything from lawn tractors to large off-highway vehicles.