Like all Proline Combos, the 2 inch runs nomad throughout the length of the box to trap and lock in the fines. The HP 100 also includes a fitting to attach a standard garden hose for use with a flusher nozzle. On Proline Combos the power jet feeds the unit below the grizzly and operates similar to a standard crashbox style dredge. Most combos feed the hopper above the grizzly rather than the sluice, even in dredge mode, forcing material to be lifted higher out of the water and decreasing performance. The unit can be continuously fed with a small shovel.Īs a dredge, the 2" combo offers improved perfomance over many other designs on the market. The lightweight, but rugged molded plastic hopper on the Highbanker is good sized with spray bars on both sides, each with a threaded cap for ease of debris removal. The 4-stroke, 2.5 hp Honda engine running in combination with Proline's HP 100 pump offers a quiet running, powerful set-up without all the hassle of louder 2-strokes. The size, weight and ease of use makes the 2" combo a favorite for beginning prospectors who want the flexibility of a highbanker and dredge combo. Their attention to detail and testing, as well as efforts to continuously improve their equipment has lead to a line of really good prospecting gear. Proline has earned a reputation for manufacturing extremely high quality equipment.
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