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Product Description
Gearmore Offset Disc Harrow | Model 300 Series | Width 5' 3" To 9' | Blades 14 To 24 | 40–70 HP | For Tractor
DESCRIPTION
The Gearmore 300 Series Offset Disc Harrowis a heavy-duty agricultural tillage implement engineered for reliable soil cultivation in light and medium tillage conditions. Designed for vineyards, berry fields, narrow-row orchards, and general field cultivation, its offset configuration promotes effective soil penetration and uniform tillage. Featuring a rugged 4" x 3" x 1/4" heavy-duty frame, 22" diameter disc blades, and 1-1/8" square gang axles, this pull-type disc harrow delivers dependable field performance. The adjustable gang angles (24°–48°)allow operators to adapt cutting action to different soil conditions. A self-leveling, spring-cushioned hitch with hand crank supports convenient adjustment, while triple-sealed flange-mounted bearings provide durable gang operation. Equipped with a hydraulic depth-control cylinder, hoses, and implement tires, the Gearmore 300 Series combines practical adjustability with robust construction for demanding agricultural applications. Available in multiple cutting widths and blade configurations to match different tractor horsepower requirements.
Key Features
Heavy-Duty Offset Design: Engineered for light and medium tillage conditions, the offset disc configuration promotes effective soil penetration and consistent cultivation across agricultural fields.
Versatile Field Cultivation: Ideal for vineyards, berry farms, narrow-row orchards, and general agricultural field preparation, offering versatility across different farming applications.
Rugged Steel Frame: Features heavy-duty 4" x 3" x 1/4" wall tubing construction designed to withstand demanding field conditions and provide dependable structural support.
22-Inch Disc Blades: Equipped with 22" diameter blades measuring 4.5 mm thick, delivering effective cutting action for soil preparation and residue incorporation.
Adjustable Gang Angles: Gang angles adjust from 24° to 48°, allowing operators to customize disc positioning for different soil conditions and tillage requirements.
Triple-Sealed Bearings: Heavy gang hangers feature flange-mounted triple-sealed bearings designed to support smooth gang rotation and reliable operation in agricultural environments.
Square Gang Axles: Built with robust 1-1/8" square gang axles to provide dependable blade mounting and support during demanding cultivation operations.
Self-Leveling Hitch: The spring-cushioned, self-leveling hitch with hand crank provides convenient adjustment and helps maintain consistent implement positioning during operation.
Hydraulic Depth Control: Includes a 3-1/2" x 8" hydraulic depth-control cylinder with hoses for convenient adjustment of working depth.
Heavy-Duty Implement Tires: Features two 6.7 x 15, 4-ply implement tires with a 5-bolt hub and spindle assembly for dependable transport and field mobility.
Notched Front Blades: Notched front disc blades help cut into the soil and manage surface residue during cultivation operations.
Plain Rear Blades: Plain rear blades complement the front gang configuration, helping produce a more consistent cultivated soil finish.
9-Inch Blade Spacing: Disc blades are arranged on 9" centers to provide a consistent blade layout across the working width.
Multiple Working Widths: Available in six configurations from 5' 3" to 9' wide, accommodating different field sizes and tractor horsepower capacities.
Optional Mud Scrapers: Optional mud scrapers can be adjusted individually or by gangs to help manage soil buildup during field operations.
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!
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Customer Reviews
Overall rating: 4.7 / 5 from 110 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.
The week before leaving for my mule deer hunt in Wyoming, I seeded the area surrounding the new runway at Wertheimer Airport in Norman.
This past Tuesday, I returned to finish the job and was pleased to see that the seed I planted just two weeks earlier was already germinating and coming up nicely.
These pictures show the freshly seeded areas alongside those planted two weeks ago. It’s a great comparison and a good example of what proper seedbed preparation and planting can accomplish.
I used my Ferminator G-3, which is one impressive piece of equipment. It prepares the seedbed, plants the seed, smooths the soil, and firms everything up for good seed-to-soil contact—all in one efficient operation.
I’ve owned and operated several no-till drills over the years, but I can say without hesitation that the Ferminator is the most efficient and versatile seeding machine I’ve ever owned.
There’s something pretty satisfying about returning to a job and seeing those first green shoots coming through the ground. That’s when you know your hard work is paying off!
Just got my Buffalo Turbine! Love it. Took a little bit to get used to getting the right angle for the nozzle, but not a problem. Side note, works much better if the frame is level as much as possible.
Love it!
Gary Haddock
Seems to be in order delivery wasn't able to use lift gate but tractor was able to take pallet off the truck bed. No damage to machine after visual check. won't know how it runs until rain stops.
Staff at RippingitOutdoors was very quick to call and double check the type of backet needed for the unit to ensure the online order matched( to fit my skid steer quick attachment on my l2501 Kubota). Explained the teeth & belt could be ordered through them directly over the phone when/if needed as well as selling other types of custom made brackets for Utv's ect. All around Great customer service and would purchase from again.
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.
Very pleased. Product was better than anticipated and is working well.
I expect the 2000lb feeders to last at least a decade based on my use with cattle.
If feeding wild game would likely last a lifetime with minimal maintenance.
seeds come out way to fast at lowest setting when planting alfalfa literally the only reason I bought it now I can't even use it and I can't return it so I'm stuck with it for the price you pay you would think it would work!
It’s built solid. It handles Field grass hip high pretty well. With the maintaining the field grass after the first cut, the pasture field is starting to look like a lawn. The 84 inch with the best thing to get for 8 acres. It’s best to order belts for back up in the event if the belts were to break. But overall, I like the product quality is good.
When I think of ripping it outdoors something else comes to mind, but I digress. This spreader is awesome. Works like a champ. The hopper is big enough to do my 1 acre lot for my applications. Just load once and go. I would highly recommend this spreader. It saves a ton of time and is a quality product.