About Us

33 Series Steel | Modern Suspension

Modern is now part of Caster Concepts. This partnership brings together two of the highest quality caster lines under one roof. Caster Concepts manufacturing of Modern’s high quality product line gives customers the highest quality casters available to meet your material handling needs while providing the best looking casters in the market.
The need for effective shop floor and ground support motion has never been greater. Modern Suspension Systems has kept pace through continual expansion of their capabilities including:

  • A total systems approach manufacturer capable of supplying shock absorption casters, vibration dampening casters, and a full line of high quality heavy duty industrial casters and wheels.
  • Customer service and design assistance.  Through the use of technically trained sales representatives, applications engineers and a highly trained workforce to meet the customer expectations.
  • The most durable and reliable shock isolating casters and suspension casters available. A premier product line, tested in the most difficult applications and passing every test of time.
  • A single source supplier of custom designed, precision engineered, sprung and un-sprung casters to meet your specific application requirements.
  • A broad selection of wheel materials and sizes ranging from 3 to 24 inches in diameter. A full line of polyurethane wheels with durometer ranging from 55A to 70D.
  • Shock absorption casters with load bearing capacities of 50 to 25,000 lbs. Standard, special and custom casters that exceed 50,000 lbs.
  • A quality source of “prototype casters” that in many cases are designed, developed, and shipped within just a few days after receipt of customer specifications.
  • Multi-divisional manufacturing facilities in excess of 70,000 sq. feet geared to efficiency and high speed quality production and industrial fabrication.
  • ISO-9001 quality in three locations, delivering “What you Want—When you Want It”.
  • Modern Suspension/Caster Concepts continues to set a standard of excellence.
Modern Suspension Systems is now part of Caster Concepts, for further information please call us at 800-704-1562 or