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Fontaine’s severe-duty top plate

Fontaine Top PlateFontaine Fifth Wheel’s H7 Top Plate is designed for severe-duty logging, heavy-haul, oilfield and mining applications. The H7 replaces the company’s H5092 and X5092 Series and combines it into one fifth-wheel system that is rated for up to 70,000 pounds of vertical load and a drawbar pull rating of up to 200,000 pounds with the option of being blocked no-tilt from the factory.

Like Fontaine’s 7000 Series, the H7 features a cast-steel housing and the company’s No-Slack trigger-activated self-adjusting locking mechanism designed to accommodate for wear and variations in kingpin geometry to continuously facilitate a snug, secure hassle-free connection as drivers move from trailer to trailer; the design also helps reduce shock inputs into the frame when braking and accelerating for a smoother ride. The H7 offers a majority of the same working parts found in Fontaine’s No-Slack 6000 and 7000 series top plates to help reduce the need to stock additional replacement parts.

Fontaine Fifth Wheel,


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