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Proline 2.5" Gold Suction Dredge

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The Proline 2.5" gold dredge, the most popular 2.5" suction dredge in the country. Just a few years ago, all 2.5" dredges were floated on innertubes. Most of them were available only with a suction nozzle to provide the vacuum and none of the 2.5" dredges were capable of driving an air compressor. This all changed with the introduction of the Proline 2.5" flare suction dredge. This was one of the first 2.5" gold dredges which was mounted on sturdy polyethylene pontoons, rather than the puncture-prone innertubes. This was the first dredge of its size which used a flare and it came standard with a power jet, which was much more powerful and easier to operate than the suction nozzles.

This dredge has been redesigned to create a lighter and sleeker dredge without sacrificing strength. The dredge frame has been eliminated for weight savings and has been replaced by a front and rear assembly which mounts directly to the pontoons in a similar fashion to our 2" dredge.
The pontoons are all new and are capable of handling swifter water if necessary. They are molded to be slightly thicker and incorporate larger inserts than the previous pontoons for increased strength. These features made for a very stable, powerful, and usable machine.

The sluice box still has rolled edges like the larger dredges, and is designed for maximum fine gold recovery as well as easy clean up. This dredge uses Hungarian riffles, which are designed to develop a strong vortex or "eddy" when subjected to higher water speed. This dredge builds a stronger vortex behind the riffles to hold the values better, plus it doesn't have the tendency to load up on low grade material that other dredges have, leaving the riffles unshrouded to do their job more effectively. We use "Nomad" matting in this dredge for the full length of the sluice box. This combined with our unique one-piece classifier and riffle design has resulted in a greatly simplified sluice box and easier cleanups.

Proline 2.5" Gold Suction Dredge
Proline 2.5" Gold Dredge (Pictured with 3.5HP Honda)

The dredge can now be powered by two completely different engine/pump combinations. The first option is for the unit to be powered by a 3.5 horsepower Honda engine and our HP 200 pump. This combination makes for a very powerful small dredge. In addition to being one of the most powerful pumps of its size on the market, our HP 200 was designed to be capable of driving an air compressor to support more active underwater mining.

The second option is to power the unit with the 2.1 horse power Honda engine and our HP 100 pump. This is the same engine and pump used on the Proline 2" equipment and develops fairly good power on the 2.5" dredge. It is considerably smaller and lighter, and requires less fuel to operate, which makes it ideal for those looking for a little more than a 2" dredge. It cannot run an air compressor but most people do not use air compressors on dredges this small. You also will not be able to operate as deep as the original package, again not an issue unless you are going deep with an air compressor.

Sluice Box 12" x 40" Dredge Hose 2.5" x 10 ft. Flotation  2 each polyethylene floats Weight 76 - 89 pounds

Proline 2.5" Dredge PL25GXH50HP100 Honda 2.1HP w/HP100 Pump

Proline 2.5" Dredge PL25GX120HP200 Honda 3.5HP w/HP200 Pump

Proline 2.5" Dredge PL25GX120HP200T80 Honda 3.5HP w/HP200 Pump & T80

Note: the State of Alaska requires a permit for all suction dredges operating in the State of Alaska. See our Suction Dredging Regulations page for details.

Alaska Mining & Diving Supply is a dealer for Proline gold dredges. Contact Us! for more information on how to purchase your new Proline gold dredge.


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