Link Introduces Severe-Duty Bushings for Air Link Redline Fire and Rescue Suspension Systems

 


Link Mfg., Ltd. recently announced the introduction of enhanced severe-duty bushings and torque rods for Air Link suspension systems rated between 20,865 and 23,586 kg. The new bushings feature a proprietary rubber compound and optimized geometry developed specifically to extend component life in demanding fire apparatus environments.

Beginning with production units delivered after October 31, 2025, all Air Link suspensions within this capacity range will be equipped with the enhanced bushings as standard equipment. Aftermarket bushing and torque rod service kits are available immediately for retrofits and field replacements.

“These enhanced bushings and torque rods represent Link’s commitment to addressing real-world performance challenges our customers face in severe-duty applications,” said Chris English, managing director, Link Suspensions of Canada. “Through extensive collaboration with industry partners and rigorous validation testing, we’ve developed a solution that significantly improves durability under the extreme braking, acceleration and articulation events common in fire service operations.”

The modified rubber bushing design addresses critical wear patterns observed in intense applications. The double-bonded construction – with rubber bonded directly to both the inner and outer metal surfaces – eliminates bushing friction and substantially reduces wear at all pivot connections. This bonded design maintains optimal clamp load throughout the bushing’s service life, improving joint reliability and preserving alignment integrity across all three bushing locations: the axle end connections, the hanger bracket pivot and the walking beam center position.

The new bushings are fully interchangeable with previous designs, maintaining identical form, fit and function. No new training or modified installation procedures are required, ensuring seamless integration for both OEM production and aftermarket service applications. Proper clamp force and use of correct adjoining components remain essential for optimal bushing performance.

Source: Link Mfg., Ltd.

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