Dedicated to providing you with the finest Mining and Prospecting equipment for over 50 years!

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Welcome to Keene Engineering Online!

Where you can find virtually all of your prospecting and mining needs all in one place and from the comfort of your own home! We even offer translation services in six different languages!

We hope our web site will not only provide for added ease in purchasing all your mining and dredging needs, but also provide you with resources and information as well. You will find our entire Keene Engineering Catalog here with absolutely everything you will need for your next prospecting adventure. It doesn't matter if you're a seasoned professional or a novice gold panner, we have something for everyone! Just click on 'Shop Online' to the left and browse all our products.


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Reduce your black sand concentrates quickly and efficiently!

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After 3 years of development and over 25 prototypes, Keene Engineering has developed the perfect concentrator riffle. The first Hungarian riffle molded into a rubber matt and built into a portable concentrator measuring 44” x 8” with built in header box, plumbed with an adjustable flow valve to meter water flow and water valve for clean up. Equipped with adjustable brackets, two 5 gallon buckets and 1100 GPH

Click HERE to see the Super Concentrator in action on our YouTube Channel!

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Order Online now by Clicking Here!

Ultra 3 and 4 Inch Minis!
Click here for the scoop!

Not sure what to buy or where to start?
HERE to read David Knowlen's
article on Purchasing Mining Equipment

Click HERE to read
Tim Regan's article on Keene's Ultra-3
as featured in Gold Prospector!

Keene Engineering is a proud supporter of..

Click here to see the video clip of the
world famous Finny Hole claim on the North Fork of the Yuba river.
Watch the 4" and 6" dredges in action as Patrick Keene and buddies dredge some great gold.
View some awesome underwater footage and see how the dredges work.
courtesy of our Friends at the

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