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The cylinders are designed for 4000 psi working pressure. They feature a piston equipped with internal hydraulic cushioning to minimize the "slamming" effect of opening & closing the grapple. |
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The latest design technology was used for the development and preliminary testing of each grapple component. All critical parts are made from high-strength steel to ensure trouble-free material handling, even in the worst conditions. |
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The quick-attach feature of GrabTec grapples requires that custom mounting kits be welded to the bucket. All mounting kits are designed so that the bucket is protected from the forces that are exerted on it by the grapple cylinders. Additionally, the support plate is adjustable. This ensures that the retaining pins that secure the grapple to the mount can be easily removed. |
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Grapple hoses come equipped with nylon protective sleeve. |
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All pivot pins feature zero-maintenance bushings and wiper seals. No grease is required anywhere on the grapple. The pins are hardened steel with chrome plating and have generous tapers for easy installation. |
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The hook and retaining pins are hardened, chrome-plated steel to resist corrosion. |
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Hydraulic hoses for the cylinders are supplied, as well as two tees. Typically the wheel loader's auxiliary hydraulic spool supplies the tees for grapple operation. |
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A closing gap that overlaps the cutting edge is typical with most buckets. |
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The wide space between the grapple and the bucket allows high-capacity handling of loose material. This combined with the wide opening of the grapple means it is much more effective at handling material than rake or scrap grapples, which tend to squeeze objects rather than pull them into the bucket. |
