ATRO Engineered Systems, Inc.

6 Bolte Lane, Address Line 2

St. Clair, MO 63077

About ATRO Engineered Systems, Inc.

ATRO Engineered Systems is an ISO 9001 certified manufacturer of Polyurethane suspension components for the School Bus, Transit, Trailer and Heavy Duty Truck Industry. ATRO’s products (including Shackle Kits, Spring Pins, Torque Rods, etc) feature the original blue polyurethane longer life free-rotation bushings. Benefits include easy installation, no grease, no maintenance, reduced road noise and extended warranty.

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Products by ATRO Engineered Systems, Inc.

ATRO End, Center and Bar Pins Bushings

By ATRO Engineered Systems, Inc.

These ATRO products are backed by an extended warranty. These bushings feature ATRO's free-rotation design to eliminate stress from bushing material, giving the bushings LONGER LIFE. The chemically resistant polyurethane material is immune to contamination from road salt, acidic cleaning... Read more »

ATRO Torque Bushings

By ATRO Engineered Systems, Inc.

ATRO's two piece rods and torque rod bushings feature free-rotation pin. Just rotate the pin to the proper angle without pre-stressing the bushing for easy installation. No costly set up as ends, centers and torque rod bushings use same installation/removal tool you are already using. ATRO also... Read more »

ATRO's Low Rebound Mack Pads

By ATRO Engineered Systems, Inc.

ATRO's Mack pads last longer. The low rebound keeps plate from shearing away from the pad, reducing cab damage and T-leaf breakage, resulting in a smoother ride. Read more »

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