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Product Description
Mongo Attachments Rotary Brush Cutter | Model MRC42 | Cutting Width 42" | 13–15 GPM | 3.5 Ton | For Excavators
Description
The Mongo Attachments MRC42 Rotary Brush Cutter delivers powerful, efficient cutting performance for land clearing, vegetation control, and site preparation. Engineered for 3.5‑ton excavators, this heavy‑duty cutter features a robust 2‑blade carrier, optimized for smooth, balanced cutting through brush, grass, and material 3" thick and above. Its bolt‑on top deck with a removable, reversible cover ensures fast access for maintenance, while the no case drain required design simplifies installation on a wide range of excavators. Built with a durable cast‑iron orbital motor and designed for 13–15 GPM hydraulic flow, the MRC42 provides consistent torque, quick recovery, and reliable performance in tight spaces and demanding environments. Whether you're a contractor, landowner, or vegetation‑management professional, this rotary cutter delivers the strength, precision, and productivity needed for tough clearing jobs.
Key Features
Heavy‑duty 2‑blade carrier Provides powerful, balanced cutting action for brush, grass, and small trees, maximizing productivity in demanding land‑clearing applications.
High‑efficiency cutting performance Optimized blade speed and torque deliver smooth, controlled cutting through vegetation up to 3"+ thick.
Bolt‑on top deck design Allows quick access for servicing, with a removable and reversible cover for simplified maintenance.
No case drain required Streamlined hydraulic setup makes installation easier across multiple excavator models.
Cast‑iron orbital motor Durable, high‑torque motor ensures long service life and consistent cutting power.
Compact footprint for tight areas Ideal for clearing material in confined spaces, narrow paths, and areas with limited turning radius.
Reinforced steel blade carrier Built to withstand heavy impact and continuous use in rugged terrain.
Optimized for 3.5‑ton excavators Perfectly matched for machines needing strong cutting capability without excessive weight.
13–15 GPM hydraulic flow compatibility Ensures efficient motor performance and fast recovery between cuts.
High RPM cutting speed 1,080 RPM range provides aggressive cutting action for dense vegetation.
3"+ cutting diameter capability Handles thick brush and saplings, reducing the need for manual clearing.
Machine‑specific coupler included Ensures proper fitment and secure attachment to your excavator.
Low‑maintenance construction Simple design with fewer wear components reduces downtime and service costs.
Reversible cover panel Extends component life and allows flexible configuration for different job conditions.
Ideal for land clearing and vegetation management Perfect for contractors, farmers, municipalities, and property owners.
Detailed Specifications
Specification
Details
Model
MRC42
Cutting Width
42"
Weight Without Mount
649 lbs
Minimum Excavator Weight
3.5 Tons
Hydraulic Flow Requirement
13–15 GPM
Motor Type
Cast Iron Orbital
Motor Size
80 cc
PSI Rating While Flowing
2,500 PSI
RPM Range
1,080 RPM
Number of Blades
2
Cutting Diameter
3"+
Top Deck Style
Bolt‑On with Removable Cover
Case Drain Requirement
Not Required
Coupler Compatibility
Machine‑Specific Coupler Included
Application Type
Brush, Grass & Light Timber
Manual & Documents
General Warranty Info:
Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
Please reach out to us for any specific warranty information needed about products and parts you can’t find!
Videos
Shipping
$1 Shipping Quote Info:
Contact Us For Shipping Quotes. All $1 products are listed as quote only because we can not display their pricing online.
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Negotiate shipping rates if you think we can do better please reach out. Keep in mind some shipping rates also include assembly & configuration as well!
Complimentary lift gate service on all freight shipments where it’s possible. We guarantee safe delivery!
Customer Reviews
Overall rating: 4.6 / 5 from 94 reviews.
I've started using the mulcher I on several parcels of land 10 acres . I have grind down a couple of 14 inch stumps. Caution the mount bracket behind the mulcher motor exhaust gets extremely hot even with gloves on . But the unit so far seems to works very good it's well put together.
The Firminator G3 is s heavy duty quality machine. The discs worked extremely well and planting and culti-packing is very smooth and easy. Working with Dillon at Ripping It Outdoors was a very good experience and seamless transaction.
After spending way to much money for forest mulching services I discovered this wonderful machine. It's not a giant powerhouse forest mulcher, but it does everything a property owner needs to maintain a forested property. I wish I would have found it sooner.
The Firminator is well built and functions well. I am having some trouble while planting mixed size seeds. Next time out I’ll try setting it so only the smaller seeds drop out the open it up for the larger seeds.
easy buying process and great communication. Mulcher works great, easily clears overgrown brush and even mulched a 5" thick mulberry tree fairly easily. running it off of my old 331 bobcat with no problem powering the drum at all. Only small issue which isn't a big deal is that the supplied hoses are about 16" too short to operate a full range of motion.
Over all built well. I like it is all cast iron and metal and not plastic. Had to modify fertilizer disc mount to fit correctly, nothing major, a little grinding. I modified the center link hitch point to accommodate my John Deere quick hitch. Have yet to plant with it but I’m sure it will work perfect. Love the grease fittings everywhere. Reminds me of the old farm equipment I grew up on, and still use periodically.
My firminator RT was delivered in good condition in ND. I will be using it next week. I have a 45 HP John Deere tractor that is supposed to lift 2000 lb but really struggles to lift this 6 foot firminator RT. I will just have to use in as a two pass operation for now.
I do wish there was a better operating manual for this unit. Maybe that is something you can work on.
I will give you an update once I start using it in a few days.
Great piece of equipment. Performs far better than I expected. One piece of advice - if property is significantly overgrown, consider the tractor attachment first to bring down the over growth and then switch to the UTV attachment to maintain property. No complaints worked perfectly.
Put this on Kubota 900 with winch hookup. This thing is a beast (within reason). I named it ‘Homie”, cause Homie don’t play. It will take care of stuff up to about 2” in diameter. You still have to remember that this is NOT like the ones on a bobcat or larger machinery. It does have its limits. But all in all I am very satisfied with it. Now on to the good part! The staff at Ripping It are outstanding! Especially Kayla in the office. She has gone above and beyond on making sure everything went right, from ordering to questions about installation. This young lady would be of great value at ANY company ! Her knowledge and personality are like over the top. This is my first experience with Ripping It Outdoors and I can only say positive things about them. With all that being said, I do fill out reviews on things I buy, AND I give a honest review. If it’s bad then you will know it. But if it’s good, well I tell the truth ! Again Kayla, from the bottom of my heart, a great big THANK YOU for all your help and just talking to you. I feel like we’ve know each other for years!
TENT is easy to put up , material is tuff as told....only complaint is that i wish the bottom had about 3 to 4 inches overlap towards the inside so i could install a 2 x4 or something to help hold the tent down in high winds we have here in virginia thanks
Hi, my name is Ken. I’ve had a great experience with Ripping It Outdoors. I purchased a Forax Hp40 Mulcher for my mini excavator. Kayla Patterson is who I dealt with from the beginning until I received it at my house. She has been wonderful to work with and looking forward to working with her with any other orders I purchase. Kayla answered any questions I had and kept me updated throughout the whole process, can’t say it enough just a wonderful person to work with!!
These are great feeders if you don’t have any feral hogs but if the hogs tear off the wiring harness from the timer to the feeder motor, you’re disabled. Then, if you ask for help from Outback, they refer you to the dealer but really you’re on your own for parts and repairs.
I have three Outback feeders that work as designed. They’re 13 years old and have always served well but this feeder misses the mark by a very high margin. I’d NEVER buy this product again.
Feeders need to be dependable and this unit is not.
This is my first experience with Ripping It Outdoors. Fortunately I got Dillion as a representative and everything from sales to shipping was spot on..
Thanks Dillion for your help!!
The only thing is when hooking up the actuator on my ATV. The wire is long going to the plug in. What has happened in the past about this. Is their video showing the usage of the control?