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Keene Engineering, Inc.

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Chatsworth, CA
Keene Engineering, Inc.

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Dedicated to providing you with the finest Mining and Prospecting equipment for over 70 years! http We at Keene Engineering view our customers as family.

Keeping in touch with our community and sharing stories is half the fun of prospecting so feel free to share! Send us pictures of your treasure hunts or gold finds at [email protected]. Our CEO, Jerry Keene, loves to hear from you, as do we!

10/29/2026

Keene Engineering — More Than Mining

A big part of our business goes beyond gold recovery. We build dredging equipment for cleaning out lakes, ponds, and waterways, removing vegetation, and tackling specialty jobs that require a custom solution.

We manufacture custom parts and a wide range of specialty suction tips, including fan suction tips and closely classified intake tips that limit the size of material entering the hose.

We also build powerful blaster tips for demanding dredging applications—tips so aggressive they would be excessive for typical gold-mining conditions.

Have a challenging dredging project? Tell us what you need to move, and we’ll help you find the right equipment for the job.

10/28/2026

Here are a few photos of our latest swivel tips, featuring a suction-breaking flap and an improved hoop handle.

At Keene Engineering, we’re always listening to our customers and using your feedback to keep improving. We’re committed to building the best products possible. Thanks for helping us make them better!

SST— Swivel Tip with Suction-Breaking Flap
Take Control of Powerful Suction. Clear Rocks Faster.
Put your dredge’s power to work with less effort and fewer interruptions. Designed for larger, more powerful dredges, this swivel tip combines smooth maneuverability with a suction-breaking flap that helps release rocks held tightly against the intake.
Clear stubborn rocks and get back to digging. Simply pull the flap open to expose the large, bar-style grille, diverting suction away from the blocked intake. Give the nozzle a firm shake to release the rock, then let go. Suction pulls the flap closed, automatically restoring full suction.
Guide the tip without fighting the hose. The free-swiveling connection reduces hose binding, making it easier to turn the bent intake into tight spots and position it where you need it.
Stop oversized rocks before they enter the hose. The improved rock guard reduces the intake opening by more than 20%, while built-in vent holes help maintain water flow to your sluice box when a rock blocks the opening.
Clear rocks faster. Work with less fatigue. Keep more material moving.

10/27/2026

Sorry, I had to remove a few posts. The person who sent the pictures to me asked me to take them down. Out of respect this is not a problem.

10/26/2026

This is a typical cleanup from a Keene 6" Super Max dredge—more fine gold than you’ve ever seen! These systems are built to catch the fine gold that makes a big difference. Plus a picture on a propane hot water heater.

10/26/2026

This is picuture of a typical clean up on 6" super max dredge. More fine gold than you have ever seen in Gold pan.

10/23/2026

New technology makes prototyping so much easier—and a lot more fun!

Patrick and I have wanted to tweak our P90 pump for over a decade. It was originally designed around an American-made two-stroke engine back in the late 1980s that produced about 1.8 horsepower, as I recall. About ten years ago, we switched to the 2-horsepower Tecumseh TC300, and today we’re using a Honda with similar power.

Now we can experiment with different impeller sizes and cuts to see how much more performance we can get out of this little pump. It’s a project we’ve wanted to tackle for years, and the new prototyping technology makes trying different ideas much easier!

10/22/2026

If you even had an old Keene pump, these are some of the earlier pump intakes. For the old p100 pump, p150, and the current p180 pump.

10/22/2026

This is one unique custom package! We built this booster jet for a specialized reclamation system designed to uncover lost airplanes, boats, and human remains from past wars and battles.

The long tube is a 6" power jet with dual 3" connections and 6" NPT threads on both ends. To connect to the customer’s 6" pump, we also fabricated custom reducers with roughly one-quarter the weight and bulk of comparable off-the-shelf steel fittings—and at a lower cost.

The smooth transitions in our fabricated steel bells and splitters are designed to improve water flow, reduce turbulence, and boost performance.

At Keene Engineering, we build custom pump adapters and pumping systems for unusual applications, making them lighter, more efficient, and better suited to the job. Have a challenging project? Let’s see what we can build!

10/21/2026

At Keene Engineering, we’re always thinking outside the box to build a better sluice box!

This big box measures 34 inches wide by 16 feet long and is designed for dredging the beaches of Nome, Alaska.

One of its key features is an innovative adjustable classification system that can be fine-tuned on the fly while the dredge is running, allowing operators to adapt to changing material conditions without stopping production.

The system also features dual 2.5-inch sump intakes and dual extended side boxes—all part of our ongoing effort to improve gold recovery through practical, innovative designs.

8" high-powered custom sluice. At Keene Engineering, we’re always t...

10/19/2026

This is a quick video on the hydraulic pump.

Address

20201 Bahama Street
Chatsworth, CA
91311

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Website

http://www.keeneeng.com/

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