Trailer spring beam mechanical suspension
The W&C 3A/4A series is a spring beam mechanical suspension designed for trailer applications, with options for three or four axles. Available as kits only (without axles), it features 5-inch round axle seats or 5¾-inch round axle seats, providing flexibility for various trailer configurations.
Available with 5" round axle seats or 5 3/4" round axle seats. Kits only, no axles assembled.
3A750 - 75,000 lb. capacity
3A900 - 90,000 lb. capacity
4A100 - 100,000 lb. capacity
4A120 - 120,000 lb. capacity
H Defense is a leading manufacturer and supplier of premium defense suspension components to global markets.
Our legacy embodies over 80 years as the leading innovator and manufacturer of suspension systems and components for the global heavy-duty vehicle industry.