Welcome to Keene Engineering! The world leader in innovative portable mining and prospecting equipment. Family owned and operated since 1950.

Pat Keene's Yuba Bash 2024. Keene 12" jet & flare. Keene HVSKE. Keene 6" Supermax. Keene RC812 Rock Crusher field test with the Mine Operator crew. Keene P180 Keyed pump manufacturing and assembly. 4" Gravel Pump 40 hp 4x4. DW212V Dry Washer in action. A52S & Conversions. Keene's Yuba Bash 2023-2. Keene's Yuba bash 2023-1.

Nov 21, 2016 · This is a video by Joey Wilson and Pat Keene working with the Mini Max High banker Concentrator and Sluice box.

Oct 10, 2023 · Pat Keene’s Yuba River outings are legendary and this year was no exception! The absolute gorgeous surroundings make for the most amazing setting for some seriously fun mining with some fabulous people! Check out some of …

Nov 21, 2016 · Pat Keene’s annual trip to the Yuba River working with the HydroAir.

Our staff is committed to assisting you with your project needs. Whether you are just looking for that nugget in you’re own back yard, or you are engineering a large scale reclamation project in the South Pacific, Keene can help you find what you need. Business Hours. Monday – Friday 9 a.m. to 5 p.m. Saturday by appointment. Just give us a ...

What has now became the Keene “Ultra” series of dredges began some months ago in a discussion I had with Jerry, Pat and Mark Keene. We had been talking about a need for designing and developing new, lighter-weight Keene dredge models capable of being transported and operated in extremely remote, upper elevation areas often

CONVERT A MINI MAX INTO A BATTERY POWERED CONCENTRATOR. The Mini Max Power sluice is shown here to the right being used in a water recirculating system. Although we do not sell this kit, you can easily build your own using tubs that are readily available from your local hardware store, your local Target or other Big Box store. We do offer the seals for the 2 inch PVC cross ...

This new design is especially for dredgers needing a lighter and more productive dredge for remote and challenging areas. Pat says its extremely lightweight for a 3-inch and easy to assemble. We walked into the factory and he showed me the prototype.

Published November 21, 2016 at dimensions 1900 × 1012 in Pat Keene’s working with Mini Max on the Yuba.. Leave a comment Cancel reply. You must be logged in to post a comment. Translate this site: ... Jerry Keene. The Father of the Modern Gold Rush 1934 - …