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Product Description
Mongo Attachments ProGrade Forestry Mulcher | Model MPG90R | Width 35" | 22–24 GPM | 6 Ton | For Excavators
Description
The Mongo Attachments 35″ ProGrade Forestry Mulcher delivers exceptional power, efficiency, and durability for demanding land‑clearing operations. Engineered for excavators 6 tons and up, this mulcher uses an optimized bite‑limiting drum to maintain peak rotor RPMs, even with hydraulic flow as low as 22–24 GPM. Its precision‑balanced drum, commercially available teeth, and heavy‑duty chassis ensure long‑lasting performance in dense brush, hardwood, and mixed vegetation. The offset drum design enhances lateral tree engagement, while the adjustable rear discharge gate provides superior material control. With best‑in‑class access panels, an integrated kickstand, and machine‑specific coupler and hoses included, the ProGrade Mulcher is built for fast setup, easy maintenance, and maximum productivity on every job.
Key Features
Optimized Bite‑Limiter Drum Engineered to maintain high rotor RPMs for consistent mulching performance, even in dense vegetation or variable terrain, maximizing efficiency and reducing engine load.
Precision‑Balanced Rotor Minimizes vibration and improves cutting smoothness, extending component life and ensuring stable, high‑speed mulching in demanding forestry applications.
Commercially Available Teeth Uses non‑proprietary, easily sourced teeth for lower operating costs, quick replacement, and compatibility with multiple cutting styles.
Offset Drum Positioning Allows operators to laterally address trees and vegetation with greater control, improving accuracy in tight or uneven spaces.
Adjustable Rear Discharge Gate Provides customizable material control, enabling faster processing or finer mulch depending on job requirements.
Easy‑Tune Hydraulic System Simplifies setup and adjustment for optimal performance across various excavator models and hydraulic outputs.
Best‑in‑Class Access Panels Large, convenient service panels allow fast maintenance, reducing downtime and improving daily productivity.
Integrated Kickstand Supports stable storage and easier attachment handling, improving safety and workflow efficiency.
High‑Efficiency Cutting Performance Designed to mulch 5″–6″ material with ease, delivering powerful results for land clearing, vegetation control, and site prep.
Machine‑Specific Coupler Included Ensures perfect fitment and fast installation on compatible excavators, reducing setup time.
Hydraulic Hoses Included Ready‑to‑run configuration eliminates guesswork and ensures proper hydraulic flow and pressure.
Low GPM Requirement Operates efficiently with only 22–24 GPM, making it compatible with a wide range of excavators without sacrificing performance.
Balanced Weight Distribution At 981 lbs (without mount), the mulcher maintains stability and smooth operation on 6‑ton excavators.
Thumb Saddle Compatibility Optional thumb saddles (adds 143 lbs) enhance handling of brush and debris for improved jobsite versatility.
Detailed Specifications
Specification
Value
Model
MPG90R
Cutting Width
35″
Minimum Excavator Weight
6 tons
Hydraulic Flow Requirement
22–24 GPM
PSI Rating (While Flowing)
3,100 PSI
Weight (Without Mount)
981 lbs
Cutting Diameter Capacity
6″
Number of Teeth
20
Drum Type
Bite‑Limiter Drum
Rotor Balance
Precision‑Balanced
Chassis Construction
Heavy‑Duty Reinforced Steel
Discharge Gate
Manually Adjustable
Drum Offset
Yes, Lateral Tree Addressing
Hydraulic System
Easy‑Tune Configuration
Teeth Type
Commercially Available
Mounting
Machine‑Specific Coupler Included
Hydraulic Hoses
Included
Storage Feature
Integrated Kickstand
Thumb Saddle Compatibility
Optional (adds 143 lbs)
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
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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?