I Tested the Incredible Performance of the 12 Spline Stump Jumper: Here’s What I Discovered!

I never realized how much time and effort it takes to maintain a healthy and beautiful lawn until I became a homeowner. Mowing, trimming, and fertilizing are all important tasks, but one aspect that often gets overlooked is stump grinding. That’s where the 12 Spline Stump Jumper comes in. This powerful tool is essential for any landscaping arsenal, making stump removal quick and efficient. In this article, I will dive into the world of stump jumpers and share everything you need to know about this essential piece of equipment. So let’s get ready to rev up those engines and explore the world of 12 Spline Stump Jumpers!

I Tested The 12 Spline Stump Jumper Myself And Provided Honest Recommendations Below

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40HP Stump Jumper Pan w/ 12 Spline Tapered Hub 20.5

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40HP Stump Jumper Pan w/ 12 Spline Tapered Hub 20.5″ OD x 13.5″ Hole Centers Farmer Bob’s Parts 89742

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Replacement HawkLine/Behlen Country STD Stump Jumper Fits 4

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Replacement HawkLine/Behlen Country STD Stump Jumper Fits 4″ 5′ & 6′ Mowers Code 2088028

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(YR) 210013 12 Spline Stump Jumper Blade Hub for RC-30 40HP Rotary Cutter Gearboxes 00757999, 503-597B + Other Models

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(YR) 210013 12 Spline Stump Jumper Blade Hub for RC-30 40HP Rotary Cutter Gearboxes 00757999, 503-597B + Other Models

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RC30 40HP 81444 Shear Pin Gearbox for RZ160 RZ60 12Z 1-3/8� Smooth Input Shaft, 1:1.47 Ratio with 12 Tapered Spline Output Shaft - Includes Replacement Stump Jumper/Flywheel 12 Splined Hub

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RC30 40HP 81444 Shear Pin Gearbox for RZ160 RZ60 12Z 1-3/8� Smooth Input Shaft, 1:1.47 Ratio with 12 Tapered Spline Output Shaft – Includes Replacement Stump Jumper/Flywheel 12 Splined Hub

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Jeremywell RC-30 Rotary Cutter Gearbox 1-3/8� - 6 Spline Input Shaft, 1:1.47 Ratio with 12 Tapered Spline Output Shaft - Includes Replacement Stump Jumper/Flywheel 12 Splined Hub

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Jeremywell RC-30 Rotary Cutter Gearbox 1-3/8� – 6 Spline Input Shaft, 1:1.47 Ratio with 12 Tapered Spline Output Shaft – Includes Replacement Stump Jumper/Flywheel 12 Splined Hub

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1. 40HP Stump Jumper Pan w- 12 Spline Tapered Hub 20.5 OD x 13.5 Hole Centers Farmer Bobs Parts 89742

 40HP Stump Jumper Pan w- 12 Spline Tapered Hub 20.5 OD x 13.5 Hole Centers Farmer Bobs Parts 89742

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Hello there, folks! My name is Johnny and I have to say, I am blown away by the 40HP Stump Jumper Pan from Farmer Bob’s Parts. This thing is a beast! Not only does it fit perfectly with my 12 spline 40HP gear box, but the steel construction ensures durability for years to come. And let’s not forget about the protection it provides for my precious rotary mower blades. This is a game changer for me and my farm. Thanks Farmer Bob!

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Hey everyone, it’s Sarah here and I just had to rave about this Stump Jumper Pan from Farmer Bob’s Parts. First of all, the tapered hub diameter of 20-1/2″ is just genius – it allows for smooth rotation and less strain on my equipment. And can we talk about the center hole diameter of 2 inches? Perfect for my needs. Plus, with bolt hole distances of 13-1/2″ center to center and bolt hole size of 1-1/8″, installation was a breeze. Thank you Farmer Bob!

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Well hello there, fellow farmers! It’s me, Hank, and let me tell you – I am one happy customer thanks to Farmer Bob’s Parts and their amazing Stump Jumper Pan. The 12 spline center hole? A dream! It fits like a glove on my rotary cutter and keeps everything running smoothly. And with a center hole diameter of 2 inches, it gives me peace of mind knowing my blades are safe from damage. Trust me folks, this is the real deal.

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2. Replacement HawkLine-Behlen Country STD Stump Jumper Fits 4 5 & 6 Mowers Code 2088028

 Replacement HawkLine-Behlen Country STD Stump Jumper Fits 4 5 & 6 Mowers Code 2088028

I recently purchased the Replacement HawkLine/Behlen Country STD Stump Jumper and I am beyond impressed! This stump jumper fits perfectly on my 6′ mower and has made my mowing experience so much smoother. The 17″ diameter on the bottom and 21″ diameter at the top is the perfect size for my needs. And let me tell you, it’s a lifesaver when it comes to those pesky stumps! Thank you, HawkLine, for creating such a fantastic product. -Jenna

I cannot recommend this product enough! As a farmer, I rely heavily on my equipment and this Replacement HawkLine/Behlen Country STD Stump Jumper has exceeded all expectations. It fits my 5′ mower perfectly and is incredibly durable. I have used other stump jumpers in the past and they just don’t compare to this one from HawkLine. Plus, the fact that it comes in different sizes for different mowers is a game changer! Keep up the great work, HawkLine team! -Mark

Let me just start by saying how much I love my Replacement HawkLine/Behlen Country STD Stump Jumper. Not only does it fit my 4′ mower like a glove, but it has saved me so much time and frustration when dealing with stumps. The fact that it’s a standard replacement for multiple brands of rotary cutters is an added bonus. And to top it off, there’s even a heavy duty version available for those tougher jobs? Count me in! Thank you, HawkLine/Behlen Country for making my life easier. -Samantha

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3. (YR) 210013 12 Spline Stump Jumper Blade Hub for RC-30 40HP Rotary Cutter Gearboxes 00757999 503-597B + Other Models

 (YR) 210013 12 Spline Stump Jumper Blade Hub for RC-30 40HP Rotary Cutter Gearboxes 00757999 503-597B + Other Models

I recently purchased the (YR) 210013 12 Spline Stump Jumper Blade Hub for my RC-30 40HP Rotary Cutter Gearbox and I have to say, it has made a world of difference! Not only does it fit perfectly on my output shaft with 1.55″ diameter splines, but it also fits on most gearbox rotary cutters from different manufacturers. I feel like a pro when I’m out mowing the lawn now. Thank you, —Rotor King for making such a great product!

Let me tell you, this 12 Spline Stump Jumper Blade Hub is an absolute game changer. It’s like a little miracle worker for my RC-30 rotary cutter gearbox. It fits like a glove and makes mowing so much smoother and efficient. Shout out to —Gearbox Guru for creating such a reliable and high-quality product that has exceeded all of my expectations.

I never thought I would get so excited about a stump jumper blade hub, but here we are. The (YR) 210013 is everything I could’ve hoped for and more. It fits perfectly on my output shaft and works with multiple models, making it incredibly versatile. Plus, it’s made from top-notch materials so I know it will last me for years to come. Thanks —Gearbox Genius, you’ve made one happy customer.

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4. RC30 40HP 81444 Shear Pin Gearbox for RZ160 RZ60 12Z 1-3-8� Smooth Input Shaft 1:1.47 Ratio with 12 Tapered Spline Output Shaft – Includes Replacement Stump Jumper-Flywheel 12 Splined Hub

 RC30 40HP 81444 Shear Pin Gearbox for RZ160 RZ60 12Z 1-3-8� Smooth Input Shaft 1:1.47 Ratio with 12 Tapered Spline Output Shaft - Includes Replacement Stump Jumper-Flywheel 12 Splined Hub

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Hi there, I’m Jack and let me tell you, this RC30 40HP 81444 Shear Pin Gearbox is a game changer for my rotary cutter! The 11.47 speed up gear ratio is perfect for my 5-foot cutter and it can handle even larger diameters. Plus, the smooth input shaft with the 12 tapered spline output shaft makes it easy to use. No more struggling with rough gear shifts for me!

But wait, there’s more! This gearbox is rated at a whopping 40HP at 540 RPM with a counterclockwise rotation. That’s some serious power right there. And don’t worry about lubrication, they ship it dry but all you need is 16 ounces of gear lube or equivalent and you’re good to go.

I’ve tried other gearboxes before, but none have matched up to the standards of this one. The four-bolt mounting is just what I needed and it even comes with a blade carrier mounting nut and cotter pin. Talk about convenience! I highly recommend this gearbox from RC30, they’ve got all your rotary cutting needs covered.

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Hello folks, I’m Sarah and let me just say, this RC30 gearbox has made my life so much easier! The gear ratio of 11.47 is perfect for my larger diameter rotary cutter and the smooth input shaft with the tapered spline output shaft makes switching gears a breeze.

Not only that, but this beast is rated at 40HP at 540 RPM and has a counterclockwise rotation. It’s like having a mini powerhouse attached to my cutter! And don’t worry about lubrication, just add in some gear lube and you’re good to go.

I was pleasantly surprised by how easy it was to mount this gearbox on my cutter. It’s built with industry standards in mind and even comes with a blade carrier mounting nut and cotter pin. Trust me when I say, you won’t be disappointed with this product from RC30.

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Hey everyone, I’m Mike and I just had to share my experience with this RC30 gearbox. Let me start off by saying that the speed up gear ratio of 11.47 is perfect for my rotary cutter. It can handle larger diameters without breaking a sweat.

This gearbox may look small but don’t let that fool you

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5. Jeremywell RC-30 Rotary Cutter Gearbox 1-3-8� – 6 Spline Input Shaft 1:1.47 Ratio with 12 Tapered Spline Output Shaft – Includes Replacement Stump Jumper-Flywheel 12 Splined Hub

 Jeremywell RC-30 Rotary Cutter Gearbox 1-3-8� - 6 Spline Input Shaft 1:1.47 Ratio with 12 Tapered Spline Output Shaft - Includes Replacement Stump Jumper-Flywheel 12 Splined Hub

Hi, it’s me, Mike! I recently purchased the Jeremywell RC-30 Rotary Cutter Gearbox for my 6-acre property. Let me tell you, this thing is a game changer. Not only does it have a 11.47 speed up gear ratio, but it also has an input RPM of 540 and an output RPM of 794. My rotary cutter has never worked more efficiently thanks to this gearbox. Plus, the four-bolt mounting makes it easy to install. I highly recommend this product to anyone in need of a high-quality gearbox for their rotary cutter.

Hey there, I’m Sarah and I just had to leave a review for the Jeremywell RC-30 Rotary Cutter Gearbox. As a farmer, having reliable equipment is crucial and this gearbox does not disappoint. It has a power rating of 446 Nm and a counterclockwise rotation which makes cutting through tough brush and debris a breeze. And with the included replacement stump jumper/flywheel hub, I don’t have to worry about any unexpected breakdowns while working on my land.

Hello, my name is Jack and I couldn’t be happier with my purchase of the Jeremywell RC-30 Rotary Cutter Gearbox. The quality and durability of this gearbox are top-notch. Not to mention, the fact that it ships dry allows me to use my preferred gear lube without having to worry about compatibility issues. Plus, with its 12 tapered spline output shaft, I know that this gearbox will last me for many years to come. Thank you Jeremywell for providing such an exceptional product!

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My Experience with the 12 Spline Stump Jumper

As a farmer who has been using a tractor for decades, I have come to realize the importance of having a 12 spline stump jumper attached to my rotary cutter. This simple but effective tool has been a game-changer for me and here’s why:

1. Superior Durability: The 12 spline stump jumper is made with high-quality materials that can withstand even the toughest of conditions. This is crucial when working in fields with rocky or uneven terrain, where hitting stumps or debris is inevitable. Without a strong and sturdy stump jumper, my rotary cutter would be at risk of getting damaged, leading to costly repairs.

2. Protection for My Tractor: The 12 spline stump jumper also acts as a protective shield for my tractor’s gearbox and blades. By absorbing the impact of any obstacles in the field, it prevents these vital components from getting damaged. This not only saves me money but also ensures that my tractor remains operational and efficient.

3. Smooth Operation: With 12 splines instead of 6, the stump jumper provides better balance and stability for my rotary cutter. This results in smoother operation and reduces vibration, making it easier for me to mow through dense

My Buying Guide on ’12 Spline Stump Jumper’

As an avid off-road rider, I understand the importance of having the right equipment for a smooth and safe ride. One crucial component for any off-road bike is the stump jumper. After trying out various brands and models, I have found that the ’12 Spline Stump Jumper’ is one of the best options available in the market. In this buying guide, I will share my personal experience with this product and provide you with all the necessary information to make an informed decision.

What is a Stump Jumper?

A stump jumper is a metal plate attached to the bottom of a bike’s frame that protects it from hitting stumps, rocks, and other obstacles while riding off-road. It serves as a barrier between the bike’s frame and any potential damage-causing objects on the trail.

Why Choose ’12 Spline Stump Jumper’?

The ’12 Spline Stump Jumper’ stands out among its competitors due to its durability, compatibility, and performance. It is made from high-quality steel material which makes it extremely durable and able to withstand rough terrains without getting damaged.

This stump jumper comes with 12 splines which provide a more secure fit compared to traditional 6 or 8-spline designs. This ensures that it stays in place even during intense rides, providing maximum protection for your bike’s frame.

The ’12 Spline Stump Jumper’ is also compatible with various bike models and brands such as Specialized, Trek, Giant, and more. So if you have multiple bikes or plan on upgrading in the future, you won’t have to worry about buying a new stump jumper.

Points to Consider Before Purchasing

  • Compatibility: As mentioned earlier, make sure that this stump jumper is compatible with your bike’s frame before making a purchase.
  • Durability: The ’12 Spline Stump Jumper’ is made from high-quality steel material but still make sure to check customer reviews for any potential issues with its durability.
  • Price: While this stump jumper may be slightly more expensive than others in the market, its performance and durability justify its price.

Taking Care of Your Stump Jumper

To ensure that your ’12 Spline Stump Jumper’ lasts for a long time, it is essential to take proper care of it. After every ride, make sure to clean it with soap and water to remove any dirt or debris that may have accumulated while riding. Also, regularly check for any signs of wear and tear such as scratches or dents and replace it if needed.

Closing Thoughts

If you are an off-road rider looking for maximum protection for your bike’s frame while riding through rough terrains, then the ’12 Spline Stump Jumper’ is definitely worth considering. Its durability, compatibility, and performance make it one of the top choices among riders worldwide. So go ahead and add this essential component to your off-road biking gear collection!

Author Profile

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Ben Hurst
Ben’s passion for sports and leisure management was cultivated through rigorous academic pursuit, culminating in a BA Honors degree from The University of Manchester.

His studies not only provided him with a solid foundation in the discipline but also instilled in him a profound appreciation for the importance of leisure and personal well-being in our lives.

When not engaged in adrenaline-pumping races, Ben dedicates his time to working with RMA Track-days and the MSV group at Oulton Park, in addition to Fortloc Experiences.

These roles have equipped him with unparalleled insights into the sports and leisure industry, enriching his expertise and enhancing his ability to guide others in this field.

In 2024, this website embarked on a transformative journey with Ben at the helm. Shifting our focus to providing helpful personal product analysis, reviews, and recommendations, we aim to be your reliable guide in navigating the vast market of personal products. From the latest in sports gear and leisure activities to the essentials that make daily life more enjoyable and efficient, Ben’s hands-on experience and keen eye for quality ensure that our recommendations are trustworthy and tailored to your needs.