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Product Description
Gearmore Wheel Disc | Model GT Series | Width 9' 2" To 13' 8" | Blade Diameter 24" | 90–120 HP | For Tractor
DESCRIPTION
The Gearmore GT-36T Heavy-Duty Tandem Wheel Disc is engineered for demanding agricultural tillage, efficient soil preparation, and consistent field performance. Designed with a rugged 4" × 4" × 1/4" structural tubing frame, this pull-type disc harrow delivers dependable strength and durability across challenging field conditions. Its 36 high-performance 24" diameter blades, arranged on 9" spacing, provide effective soil cutting and residue incorporation. The self-leveling, spring-cushioned hitch with hand crank helps maintain smooth operation, while adjustable front and rear gangs allow precise disc angles for different soil conditions. Equipped with greaseable, double-sealed bearings, adjustable scrapers, hydraulic depth control, and heavy-duty 8-ply tires, the GT-36T is built for reliable agricultural productivity. With a 13' 8" cutting width and 90–120 HP tractor requirement, it is an excellent choice for large-scale farming and professional land preparation.
Key Features
Heavy-Duty Structural Frame: Built with a robust 4" × 4" × 1/4" structural tubing frame, providing dependable strength and durability for demanding agricultural tillage and continuous field operations.
36 High-Performance Blades: Features 36 blades measuring 24" in diameter and 6 mm in thickness, designed to cut through soil, manage crop residue, and support efficient seedbed preparation.
Wide 13' 8" Cutting Width: Covers a substantial working area with every pass, helping improve field productivity and reduce the number of passes required for large agricultural operations.
Adjustable Front Gang Angles: Front gangs adjust from 12° to 22°, allowing operators to customize soil penetration and cutting performance according to field conditions.
Adjustable Rear Gang Angles: Rear gangs adjust from 9° to 21°, providing greater control over soil finishing and helping achieve consistent tillage results.
Self-Leveling Hitch System: The self-leveling hitch maintains balanced implement positioning, while its spring-cushioned design helps absorb operating shocks across uneven terrain.
Convenient Hand Crank Adjustment: Integrated hand-crank adjustment makes hitch leveling straightforward, allowing operators to fine-tune implement positioning for improved field performance.
Heavy-Duty Gang Axles: Equipped with 1-1/2" square gang axles, engineered to support demanding tillage applications and provide dependable structural support.
Sealed Bearing Protection: Greaseable, double-sealed trunnion-mounted bearings with wear guards help protect critical rotating components against contamination and premature wear.
Adjustable Blade Scrapers: Standard scrapers can be adjusted individually or by gang to help prevent soil buildup and maintain consistent blade performance during operation.
Heavy-Duty Wheel Assembly: Features a 6-bolt hub and spindle assembly designed to provide dependable support and stability during transportation and fieldwork.
8-Ply Agricultural Tires: Equipped with 9.5L × 15" 8-ply tires designed to handle the demands of heavy agricultural implement transportation and operation.
Hydraulic Depth Control: Includes a 3-1/2" × 8" hydraulic cylinder with hoses and depth control, allowing convenient adjustment of working depth for different soil conditions.
Standard Rear Implement Hitch: Includes a rear hitch for additional implement versatility and compatibility with suitable agricultural attachments.
90–120 HP Tractor Compatibility: Designed for tractors in the 90–120 HP range, making the GT-36T suitable for demanding commercial farming and large-scale soil preparation.
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.