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EX-30 Excavator Brush Mower | Eterra

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466.00 LBS
Built to Order

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Eterra EX-30 Excavator Brush Mower

The Eterra EX-30 Heavy Duty Brush Mower for skid steers is ideal for clearing brush from roadsides, ditches, driveways, fields, and much more. 

Designed for backhoes and excavators from 7500 lbs. to 14,000 lbs. The EX-30 operates efficiently on hydraulic flows from 13 - 25 GPM.

With cutting capacities up to 4-5 inch material (up to 6 inches with slow, steady and safe operation), this mower ROCKS! At 440 lbs. the EX-30 is strong enough for the toughest projects, yet light enough for many smaller machines to operate effectively. A lot of effort has gone into using the right materials to make this mower lighter than other mowers in it's class, but was this cut costs? NO! In fact, the Eterra Flail Mowers are not cheap to make. A lot of careful design and engineering has gone into this design, and the purpose was to reduce your swing weight and keep you cutting in all conditions. But Not just level and flat terrain. With the EX-30's lower weight, you can easily work side hills and not fear your going to tip your machine. But don't worry, we still use top quality materials and the finest design to insure you have a mower that will last and last. We back this up with our no hassle, 1 year warranty that puts the others to shame.

Select Product Options Above

  • Select an excavator coupler
  • If you need a coupler that isn't listed, please select "Other Coupler" and we will contact you (price and warranty may vary)
  • If you want to build your own coupler, please select "None / Build Your Own" and we will contact you (price and warranty may vary)
  • Select optional Thumb Saddle

All Eterra drive systems have been proven to be strong and reliable. Eterra uses a 2 lb. blade and premium Permco USA motors. The welding and machining is exceptional. Fit and function, OUTSTANDING! Many of these have been sold in the USA, Canada and Australia. Eterra would be happy to supply you with references upon request to Skid Steer Solutions.  Eterra customers are the company's best salesmen.

With the compact flail design, you will be able to access the smallest of properties and mow small brush, berry bushes and grass into a fine mulch which leaves you with virtually no clean-up.

The EX-30 is built from lightweight and strong materials. The cutter shaft is electronically balanced for the most efficient operation and longest operating life in it's class. If you are looking for the best in show, then Eterra mowers have it hands down.

Please note that the EX-30 comes with a blank universal mounting plate. The customer is responsible for mounting the specific coupler required for your excavator. Due to the high speed and pressures involved, a case drain line is required to operate this implement. A case drain is a low pressure line that travels from the mower head back to your oil reservoir. It allows pressure to be directed away from the motor seals and back to your oil tank. This increases your seal and motor life substantially. Check with your dealer as some newer machines including Yanmar have a return to tank setting which makes a case drain unnecessary.

The Eterra Cutter Shaft

Eterra uses 6" DOM Tubing for their cutter shafts to insure a strong and long wearing product. Ettera does not use steel pipe. Eterra cuts it themselves and constructs one of the toughest shafts available. Then it is electronically balanced so when the flail is operating, it is hard to tell. No shaking from side to side or up and down. This is just another step that Eterra adds to make their mowers much better than the competition. Eterra's goal is to produce the best possible product and deliver it to you in the most economical manner.

Drawn Over Mandrel (DOM)

Strong and well-finished DOM is an electric resistance welded tube tested for soundness of weld and drawn through a die and over a mandrel. This process imparts significantly improved mechanical properties to the tube, due to the cold working process. It is considered a high quality tube, and is normally constructed from SAE 1020 or 1026 steel. Note that, technically DOM refers to the process by which the tube is finished after having started as an ERW tube. Technically, DOM is not a type of steel tube, but rather a process. As so often happen though - in common use the term has become accepted to mean a specific type of tubing rather than a process. In this case, when people say "DOM" they normally mean an ERW tube drawn over a mandrel at (close to) room temperature and made from SAE 1020 steel. It is normally drawn to O.D. and I.D. dimensions. Here is what the Steel Tube Institute of North America has to say about DOM:

"The manufacturing process for DOM tubing begins with coils of steel, which are slit to the proper width for the desired tube size. The strip is cold formed and passed through an electric resistance welder which joins the edges together, under pressure, to complete the tubular shape. After testing the weld's integrity, the tubing is cut to length for further processing.

The cold-drawing process creates a uniform, precision product with substantially improved tolerances, surface finish and tensile strength, increased hardness and good machinability. In this process, the tube is cleaned and annealed, and one end of each length is squeezed to a point so it can be gripped by the drawing mechanism. The tube is then drawn through one or more dies and over mandrels. This reduces the diameter of the tube and thins its walls to the required dimensions in a controlled fashion to provide the qualities desired in the finished product. Metallurgic-ally, drawing improves the tube's concentric, tensile strength, hardness and machinability. Close dimensional accuracy is achieved through tight control of both outside and inside diameters."


  • Safely cuts and mulches up to 4-5” material
  • Can cut 6" material with slow, patient and safe operation
  • Bolt on mount plate
  • High strength steel housing
  • Direct drive system (Reduced Wear Parts)
  • Electronically balanced cutter shaft
  • Safety Impact OSHA Safety Orange Powder Coat Finish
  • Wire proof wear cone Standard
  • 1 year warranty on parts and labor
  • Case drain line provided if needed.
  • Made in the USA.

Case drain not required for BobcatYanmarKubotaCaterpillar or Case Excavators.

Note:  Every excavator is different.  Many machines (Especially older models) use only two pumps.  One to control your stick and rotation.  One for track drive and auxiliary flow (your mower).  For machines that have this type of pump arrangement, it is not possible to drive the machine forward and cut at the same time.  You will need to drive forward, stop and then sweep back and forth for cutting.  For operators with newer machines like Kubota and any Yanmar, you have three pumps so you can drive and cut at the same time.


"The carbon steel market is poised to grow by 699.35 MT during 2020-2024 progressing at a CAGR of almost 8% during the forecast period" (Source: Business Wire) This is what we are seeing all across the industry; day after day new emails from vendor's telling us that their prices are rising, every order we make for materials needs to be revised because the last price is no longer valid, and for good reason. The cost of steel materials has been steadily increasing throughout 2020, and it unfortunately has not slowed into 2021. The reduced capacities of companies in this industry due to Covid-19 health and safety regulations continues to have an impact. As a result, we are forced to increase our list pricing for 2021 and add a steel surcharge to off-set the rising costs that is projected to continue this year. We apologize for any inconvenience this may have on our close and prospective customers. We will do what we can to keep our prices low when the opportunities are found, but right now we are left with little options.

Thank you for your understanding and continued support of Eterra Attachments. As we have always said, "we don't aim to be the cheapest, we aim to be the best"

Jorden Leib, Vice President of Skid Steer Solutions 

A Message from the Owner of Eterra

"Why are we less expensive than the other guys? It's simple. All Eterra products are produced in high volumes directly in our facilities in Bellingham, Washington and sold directly on the web. We do not start building these one at a time when you place your order. We also do not use dealers. The other guys add 25 - 40% to allow dealers to sell their mowers. That is not how we do business. We believe the best way to sell our products is directly with to our customers. We sell it, and we support it. This means you save serious money by dealing directly. 

Something else to note about our competitors.  Many of them make comparisons to our mowers that theirs are heavier.  If you know anything about these mowers, that makes no sense.  We design for maximum strength for the machine weights specified so that you get an effective mower that won't flip your machine.  If we knew nothing about design, we could just add steel and call it a day, but that would short change our customers.  Adding steel does not make a good mower.  It adds unnecessary weight that can endanger the operator.  Others are now using a metal spring disk as a dampener where we use a water jet cut rubber disk.  We have 15 years experience with this design and not one failure or replacement due to wear.  Our system is proven to last and is lighter and quieter.  We are waiting to see how long it will be before they have to change their design as their mowers are just too heavy, use a higher parts count, operate more noisily, and the replacement disks cost $1400 where if you ever needed one ours, they are less than $100.  Good design always wins. If you want good design, buy Eterra.  If you want weight and un-necessary parts, then buy theirs.

Our competitors are struggling with us in the market so they will say anything to you about our mowers just so they can take the sale, so here is one more thing to add. We offer a no nonsense warranty. 1 year, full replacement with no questions asked. If it fails, we take care of it. We have a full parts selection in stock. No one else will offer you this. They always make you send the unit back for testing which will cost you serious down time when you need the equipment to be working most. We don't operate like that and never will."


440 lbs.
Cutting Path Width:
DOM Cutter Shaft:
5" x 1/2" Wall with 3/8" Towers
Skid Shoes:
AR500 (Replaceable)
Hydraulic Hoses:
85" with 1/2" Flat Faced Couplers
Cutting Capacity:
Up to 6"
Flail Knives:
20 x 2.25 lb. Blades
Hydraulic Flow Requirement:
13-25 GPM @ 3000 PSI
Cutter Shaft Rotation Speed:
1800-2000 RPM
Steel Surcharge:

Product Videos

The Best Selling Excavator Flail Mower by Eterra | EX-30 03:29
  • The Best Selling Excavator Flail Mower by Eterra | EX-30
    The EX-30 Flail Mower is the staple mark of Mini Excavator Mowing attachments. Whether you're about the engage in a tussle with large patches of Black Berry bushes, mowing overgrown grass on the roadside or removing rows of saplings and other brush invaders, this Excavator mower handles it all. Excavator Flail Mowers by Eterra:
  • Mulching with a Flail Mower? Testing the EX-30 Cut Capacity | Skid Steer Solutions
    Eterra makes some of the toughest excavator flail mowers on the market. But just how tough are they, and how accurate is the listed 6" cut capacity? Disclaimer: We are not suggesting that this attachment is a substitute for a forestry mulcher head. It cannot realistically handle hardwoods of more than 3-4". The purpose of this video is to show the versatility of this attachment to clear not only grass and light brush, but also small trees and up to 6" material if necessary. EX-30 Pricing and Specs: Thank you for watching, and if you're interested in learning more about us and our products, just visit our website! Meet the faces and hands behind Skid Steer Solutions: Did you know we're a proud supporter of Monster Energy Supercross Racers?

Skid Steer Solutions, Inc. offers a 1-Year Limited NO-HASSLE Warranty on all attachment products and their accessories purchased from our website, please visit our warranty page for full details. Our warranty on parts and wear parts is dependent upon the manufacturer's warranty. Please visit our warranty page for more information. To learn about our returns policy, please visit our Shipping and Returns page for the full details.

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