Welcome to Keene Engineering! The world leader in portable mining and prospecting equipment. Family owned and operated since 1955.


The perfect kind of social distancing!
Let’s get you geared up for GOLD SEASON !

Pat, Mark & Teddy Keene


DON’T GET CAUGHT UNPREPARED!


A52S Super Sluice Box has arrived!

Keene Engineering is very proud to present our newest member of our Sluice Box family!
The A52S Super Sluice Box is our new baby and we couldn’t be prouder! Learn what all the buzz is about by watching our video then get yours before there is a waiting list!


HOT OFF THE PRESSES!

Get your copy of the new Keene Catalog! Click HERE to request your copy today!


WHAT’S HAPPENING…

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Keene KT10 Trommel updates. These are a few 3D drawings showing the plumbing system for the water motor set up. Just worked up a new larger 6" water drive motor that worked amazing. The goal was to be able to run the Trommel at lower pressure to turn the drum. ... See MoreSee Less

Keene KT10 Trommel updates. These are a few 3D drawings showing the plumbing system for the water motor set up.  Just worked up a new larger 6 water drive motor that worked amazing.  The goal was to be able to run the Trommel at lower pressure to turn the drum.Image attachmentImage attachment

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Estimated $$ and availability?

Did it fly?

Looks like a homemade special. With all those loose hoses running around

I be at lucky strike gold and gem mine Friday through Sunday with this new KT 10 trommel on display if and body likes to check it out

Gnarly

Hugo del Aguila

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8" Custom Sluice 36" x 16' ... See MoreSee Less

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What is the degree of slope you are shooting for?

youtu.be/a3JqwxBoSSc
This is the video for Vern's custom sluice box.
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Want to buy

Is it nicknamed Wide Lode?

Nice work you guys ! 👍🏻👍🏻

Mark can you build me a sluice box like that for the ultra mini 4 inch

Custom Sluice box for Vern. 8" box 36 inch by 16 feet long Video coming ... See MoreSee Less

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Loving it..I'm loving my A52S,Ima need to get y'all's 12v pumps for it though

Looks like a 5 ounce an hour box! Or better. Pretty.

Oh my parents sure did love gold mining 😔

Nice

Where is the cup holder for Vernon's Gold Rush Cocktail?

very nice ☺️♥🌹🥰

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We have the KT10 Trommels are available later this week for sale.

KT10DC Keene 10" Trommel DC powered 2 x RP2200 $2,195.00
KT10MDK 10" Tommel water drive kit hoses filter Water motor $599.00
KT10DCK 10" Trommel DC Kit hoses pumps DC drive motor $499.00
KT10WD Keene 10" Trommel Water motor drive. $2,295.00
KT10SA Keene Trommel Sluice adaptor. $149.95
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We have the KT10 Trommels are available later this week for sale.

KT10DC Keene 10 Trommel DC powered 2 x RP2200  $2,195.00
KT10MDK 10 Tommel water drive kit hoses filter Water motor  $599.00
KT10DCK 10 Trommel DC Kit hoses pumps DC drive motor  $499.00
KT10WD Keene 10 Trommel Water motor drive.  $2,295.00
KT10SA Keene Trommel Sluice adaptor. $149.95Image attachment

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Hugo del Aguila

Absolutely #PositivePirate approved Amazingness and Greatness♡☆! 😎☠️💛⭐️🔥🙌

They are definitely nice.

I'd like to test that trommel!

Hugo del Aguila could we get these to Peru???

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We will be a the GPAA gold show this weekend at the Pomona fair grounds. We will be selling and displaying our new trommel as well. ... See MoreSee Less

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I’d be interested in the water motor set-up… is it on your website?

What will you have for sale at the show?

Fantastic!

GOLD !!!!!!!!

Hi I am looking for a motor and pump for a 2.5 floating drengh. Do you have in stock and how much?please give me a call when your back at company head quarters.mark Keene can call me.1208 5218176.thanks from robert clark.

Great!

Bring back the spiral wheel!

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9m ·
DWX 2.5” heat exchanger on the new Predator Max Performance 459cc 16HP engine, using a Keene P350 (4”x3”) pump. The price for this model heat exchanger is $800 (+shipping).
Other manufacturers and home builders use a single pass copper tubing design to build their dredge heaters. With that design, water from the dredge pump passes through a single coil of ¼” copper tubing inside a steel shell (fire extinguisher, steel pipe, paint can etc.) of the heater. Exhaust from the engine enters the shell and heats the outside of this copper tubing; heating the water. Not only is this design inefficient, it poses a substantial risk of the water flashing to steam and scalding the diver.
DWX heat exchangers are designed exactly opposite of this single pass copper tubing heater. DWX uses a tube and shell heat exchanger made entirely of 316 stainless steel. All fittings and hardware (except the strainer) are stainless as well. The shell of the 2.5" heat exchanger houses 19 internal 1/4" sealed stainless tubes through which the engine exhaust passes. Cold water from the pump first passes through a 50 mesh strainer then enters the shell of the heat exchanger through the 1" lower side port. Water circulates inside the shell and around the sealed exhaust tubes, heating the water. Hot water flows out of the top 1" port and the temperature is regulated by either opening or closing the 1/2" stainless valve; adjusting the flow. Each DWX heat exchanger is equipped with a 145°F thermal relief valve that will open and divert hot water out of the shell; stopping water flow to the diver. This ensures the diver isn't scalded with boiling water or steam if water flow from the pump is interrupted. The shell of the 2.5” heat exchanger holds 20oz of water. This volume of water is extremely unlikely to flash to steam even without the temperature relief valve. The clear pump feed hose and strainer cup show water flow and turbidity. Hot exhaust leaves the engine through a TIG welded stainless manifold then flows vertically thru the heat exchanger, exiting cold at the top thru the 1” muffler. The heat exchanger is stabilized and vibration isolated with a stainless clamp and support bar. The heat exchanger itself weighs only 2.5lbs (without strainer, exhaust manifold & muffler).
DWX heat exchangers are much more efficient (more hot water), more durable (stainless steel parts) and safer (temperature relief valve & greater water volume) than any single pass copper tubing heater. With 100's of hours of operation on a variety of engines/dredges, DWX heat exchangers are designed to give you years of trouble free operation. Why risk your safety with a poorly designed or home built wetsuit heater?
If you are looking for a safe, reliable and efficient dredge heater, IM or email me at dwilco88@gmail.com.
@DWXHeatExchangers
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I made my own don’t need it now though lol

How much to ship the heat exchange to Australia??

Para perú se podría enviar

I used this in Alaska this season, the guy I had with me is currently still there using it. It provides nice heat, and has everything needed for the install.

Sweet!!

I haven't seen that type of set-up before.

I like it.

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We have been building the weed separation boxes for several years now. This type of de-watering box has proven to be a invaluable tool the dredging up weeds and other invasive plant species. ... See MoreSee Less

We have been building the weed separation boxes for several years now. This type of de-watering box has proven to be a invaluable tool the dredging up weeds and other invasive plant species.Image attachment

Comment on Facebook

We have a weed control guy that does milfoil up here. Good idea.

Do you all think this would help us dredge our pond of weeds and willow sprouts?

What's the price on that table?

Well if it successful as their other products they have a winner

Fabricate yer own

😎☠️💛⭐️🔥

Thomas Albietz

Good work, guys.

Do you have a video of this ?

needs a little drop box for rings and coins !

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WHAT’S HOT!


New and Improved Super Concentrator with an even better price!

KSCR Super ConcentratorWe’ve made it next to impossible for you not to add this little power house to your prospecting arsenal at only $350.00!

622SME
We are extremely excited to present the next generation of a dredge designed for the recovery of super fine gold
Model 6220SMAX

This New Super Mini Max Power Sluice Concentrator unit is the most versatile package that we have ever offered.
Model MMPSCK

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NOW OPEN TO THE PUBLIC!

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