Defense – Military Spec Casters

Modern Suspension Casters are designed for use in challenging environments, like the ones encountered by the military. Whether its an army base, air force runway, a navy ship or a coast guard station, Modern Casters are built to perform. With unique benefits like heavy duty springs, high weight capacities, independent suspension and ease of roll, Modern Suspension Casters are the right choice for the job.

Our aluminum corrosion resistant casters, are light weight but not light on strength. These casters can handle a max load of 6,500lbs per caster and with stand the elements. Making them a perfect choice for Navy and Coast Guard applications where corrosion is a problem for steel and iron. When loading a cargo plane, every pound maters, and aluminum will shave some pounds off of the total weight. Aluminum casters weigh as much as 50% less than iron or steel; On heavy duty casters, that can be a reduction of as much as 200lbs a caster when using aluminum.

Our COMPLETELY INDEPENDENT SUSPENSION  on the dual-wheel series (see diagram below).

Modern Casters Independent SuspensionModern Casters offer fully Independent Suspension, reducing impact of shock and keeping the surface above the top plate level.

Each wheel is on its own separate axle with separate legs, its like having two separate casters on one top plate. This is extremely beneficial because it helps to keep both wheels on the ground and the cart or dolly level, even when the ground is not level, or an obstruction is encountered. It also helps avoid excessive stress on just one wheel, reducing the risk of failure and potential injuries.

Modern Suspension Systems offers Military Spec Casters that usually meet or exceed requirements when Aerol is specified, making them a good alternative to consider. Modern Suspension Systems is the only other manufacturer of heavy duty, shock absorbing aluminum casters in the U.S.

Modern Suspension Casters meet the requirements of Military Mobility specifications:

  • MIL-8090
  • MIL-C-4751-MS247374
  • MIL-C-4751-MS247373

Modern Suspension casters have been used by all of the different branches of the military, for a variety of applications including:

  • Aircraft Dollies
  • Carts
  • Ground Support Equipment
  • Staging


Modern Suspension Systems is now part of Caster Concepts, for further information please call us at 800-704-1562 or