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Here are best practices to ensure optimal performance of your SURELOK® system when using a yard truck. By following these guidelines, you can prevent potential damage to both the SURELOK system and your trailer.
Remember, the parking brake must be released before lifting the trailer.
SURELOK is an anti-dock walk system that works with the air springs to maintain ride height and prevent dock walk. It features legs behind the air springs that swing down to engage with the suspension beam to minimize trailer movement during loading and unloading.
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©2026 Hendrickson USA, L.L.C. All Rights Reserved