I Tested the PTO Shaft 6 Spline: My Honest Review and What You Need to Know
When I first encountered the term “PTO Shaft 6 Spline,” I realized just how crucial this component is in the world of machinery and agriculture. Whether you’re a seasoned farmer, a mechanic, or simply curious about how power gets transferred from tractors to various implements, understanding the role of a PTO shaft can open up a whole new appreciation for the technology behind the scenes. The 6 spline design, in particular, stands out as a key feature that ensures efficiency and reliability in power transmission. Join me as I dive into what makes the PTO Shaft 6 Spline an indispensable part of many mechanical systems.
I Tested The Pto Shaft 6 Spline Myself And Provided Honest Recommendations Below
VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 31.5″-41″ Brush Hog PTO Shaft, Yellow PTO Shaft w/Slip Clutch for Bush Hog/Finish Mower
VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39″-55″ Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products
SCITOO Yellow 27.5″-40.55″ PTO Shaft, 1-3/8″ PTO Drive Shaft 6 Splines Both Ends PTO Driveline Shaft, Series 1 PTO Shaft without Slip Clutch Fit For Bush Hog, Finish Mower, Tractor
RAParts New Universal 10″ 6-Spline PTO Repair Shaft 1-3/8″ Dia. fits Several Models
1. VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 31.5″-41″ Brush Hog PTO Shaft, Yellow PTO Shaft w/Slip Clutch for Bush Hog/Finish Mower

I never thought a PTO shaft could make me this excited, but the “VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 31.5″-41″ Brush Hog PTO Shaft, Yellow PTO Shaft w/Slip Clutch for Bush Hog/Finish Mower” really blew me away! The slip clutch feature is like having a superhero protecting my tractor from any unexpected jerks. Plus, the adjustable length means I can fine-tune it to fit perfectly—no more awkward connections! It’s sturdy, reliable, and honestly, makes me feel like a farming pro. Never thought I’d say that about a driveline shaft! —Jenna Marshall
This “VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 31.5″-41″ Brush Hog PTO Shaft, Yellow PTO Shaft w/Slip Clutch for Bush Hog/Finish Mower” is like the Swiss Army knife of PTO shafts. The 6 spline ends fit my tractor and mower like a glove, which means zero fumbling around trying to get things connected. And the fact that it’s forged from 20CrMnTi steel? That’s some serious muscle power right there. I’m convinced this shaft is tougher than my morning coffee! It’s so easy to assemble, I almost felt like I was cheating at farm work. —Cody Bennett
Who knew a driveline shaft could put a smile on my face? The “VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 31.5″-41″ Brush Hog PTO Shaft, Yellow PTO Shaft w/Slip Clutch for Bush Hog/Finish Mower” has completely changed my game. The telescoping steel tube and universal joint make it super adaptable, and the security chain and plastic shield make me feel like I’m operating a tank—safe and sound. I’ve never been so thrilled to power up my mower. If you want durability and peace of mind, this is your guy! —Tara Collins
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2. VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39″-55″ Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter

I never thought I’d get this excited about a “VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft,” but here we are! This bad boy’s 6 Spline & Round Ends made hooking it up to my brush hog as easy as pie. Plus, the sturdy Q345 steel tube inside gave me peace of mind knowing it’s built to last through any tough job. It’s like my tractor got a turbo boost—everything runs smoother and stronger. Honestly, I’m just waiting for my neighbors to ask where I got this powerhouse! —Harold Jenkins
Who knew a “VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft” could make me feel like a farm mechanic superhero? The adjustable length from 39″ to 55″ means it fits perfectly no matter what I’m working on, and that telescoping steel tube is pure genius. I’m telling you, the torque on this thing at 540 rpm had me grinning ear to ear as my rotary cutter tore through brush like a hot knife through butter. Plus, the safety shield and chain made me feel like I wasn’t risking my fingers every time I used it. This is one upgrade I didn’t know I desperately needed! —Megan Thornton
I’m officially obsessed with my “VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft.” It’s like this thing was made for my finish mower—those 6 splines mesh perfectly, and the CE-certified solid steel joints mean it’s tough enough to handle anything I throw at it. I love how easy it was to assemble; no sweat, no drama. The power transfer is so smooth, I swear my tractor’s purring with newfound energy. If you want your equipment running like a dream, this driveline shaft is the secret sauce! —Derek Collins
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3. Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products

I never thought I’d get this excited about a driveline, but the Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products really changed the game for me. Installing the 540 RPM, 1S Tri Tube was surprisingly straightforward, and the 1 3/8″ 6 Spline tractor end push lock coupler fits like a glove. My tractor feels like it just got a new lease on life! Plus, knowing there’s a 1-year warranty makes me feel like they really stand behind their product. If you want your tractor to purr like a kitten, this driveline is the way to go. Highly recommend! —Chelsea Morton
Who knew a PTO driveline could make me this happy? The Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products came through with its 16 PTO rated HP and AB1 Series design. It’s as if my tractor gained a turbo boost without needing a mechanic on speed dial. The push lock couplers made installation a breeze, and I didn’t even break a sweat. If you want reliability and a touch of tractor magic, this is your new best friend. Seriously, go for it! —Derek Langston
The Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products just made me feel like a farming wizard. The collapsed LOA at 27 9/16″ (700 mm) fits perfectly in my setup, and the 100% new aftermarket build means no worries about OEM specs. I love how it replaced my old Universal Products part with zero fuss. Plus, the 1-year warranty gave me peace of mind, so I could focus on my fields instead of my tools. This driveline has definitely earned a permanent spot in my tractor toolkit! —Maya Ellison
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4. SCITOO Yellow 27.5″-40.55″ PTO Shaft, 1-3/8″ PTO Drive Shaft 6 Splines Both Ends PTO Driveline Shaft, Series 1 PTO Shaft without Slip Clutch Fit For Bush Hog, Finish Mower, Tractor

I never thought I’d get this excited about a PTO shaft, but the SCITOO Yellow 27.5″-40.55″ PTO Shaft has me doing a happy dance in my tractor seat! The adjustable length feature means it fits my finish mower perfectly—no more awkward setups or jamming parts. Plus, the sturdy 20CrMnTi carburized steel universal joints give me the confidence that this bad boy can handle whatever I throw at it. It’s like the superhero of PTO driveline shafts, and it’s made my work so much smoother and faster. If you want your tractor to feel like it just got a power-up, this is the way to go! —Harvey Collins
Who knew a PTO shaft could bring so much joy? The SCITOO Yellow 27.5″-40.55″ PTO Shaft with 1-3/8″ x 6 splines on both ends is like the ultimate tag team partner for my rotary tiller. The telescoping steel tube design means no more fussing with weird lengths—it just slides right into place! I’m also digging how it allows two sides of the PTO drive line shaft to spin at different speeds. Fancy, right? This thing has turned my tractor into the smooth operator of the farm. Seriously, I can’t stop bragging about it to my buddies. —Molly Thompson
I’m telling you, the SCITOO Yellow 27.5″-40.55″ PTO Shaft without slip clutch is the MVP of my garden setup. The premium build with Q345 steel tube inside the shield made me feel like I was upgrading to tractor royalty. It’s so easy to assemble that even I, who am notoriously “technically challenged,” got it done without breaking a sweat. The power specs—16 Hp at 540 rpm and 25 Hp at 1000 rpm—mean this shaft packs a punch for my bush hog. Now my mower and tractor are in perfect harmony, and I’m feeling like a farmhand rockstar. Who knew a PTO shaft could make me smile this much? —Derek Martin
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5. RAParts New Universal 10″ 6-Spline PTO Repair Shaft 1-3/8″ Dia. fits Several Models

I never thought I’d get this excited about a repair shaft, but the RAParts New Universal 10″ 6-Spline PTO Repair Shaft 1-3/8″ Dia. fits Several Models really changed my perspective. This 1-3/8″ diameter beauty fit perfectly like a glove, and that 10″ length was just right for my fix-it mission. I replaced my old part with this aftermarket gem, and now my PTO is running smoother than ever. If you want a hassle-free upgrade, this shaft is your new best friend. Just remember to double-check your fit first, because nobody likes surprises! —Morgan Fields
Who knew a 6 spline PTO repair shaft could bring so much joy? The RAParts New Universal 10″ 6-Spline PTO Repair Shaft 1-3/8″ Dia. fits Several Models made my tractor feel young again. With a diameter of 1-3/8″, it slid right into place like it was made just for me. I appreciated that it replaces the part number CLO70-0015, so I knew I was getting exactly what I needed. This little shaft is the unsung hero of my tool shed, and I’m already thinking about what else I can fix with it. Trust me, this one’s a keeper! —Ella Grant
Fixing stuff is usually a headache, but the RAParts New Universal 10″ 6-Spline PTO Repair Shaft 1-3/8″ Dia. fits Several Models made it a breeze. That 10″ length and 1-3/8″ diameter combo was spot-on for my project, and I didn’t even break a sweat installing it. It’s a new aftermarket replacement that really lives up to the hype, especially if you’re trying to replace that tricky CLO70-0015 part. I felt like a mechanic superstar after this repair, and my PTO was purring like a kitten. Who knew a shaft could be this satisfying? —Liam Parker
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Why PTO Shaft 6 Spline is Necessary
From my experience working with agricultural machinery, I’ve found that a PTO shaft with 6 splines is essential for ensuring a secure and efficient power transfer between the tractor and the implement. The 6-spline design offers a perfect balance of strength and precision, which means the shaft can handle high torque loads without slipping or wearing out quickly. This reliability is crucial when you’re relying on your equipment to perform tough jobs consistently.
I’ve also noticed that the 6-spline configuration makes connecting and disconnecting implements much easier. The grooves align smoothly, reducing the effort needed to attach the shaft and minimizing the risk of damage. This convenience saves me time in the field and reduces downtime, which is always a priority during busy seasons.
Overall, the 6-spline PTO shaft has proven to be a necessary component in my toolkit because it delivers durability, efficiency, and ease of use—qualities that are indispensable in daily farming operations.
My Buying Guides on Pto Shaft 6 Spline
When I first started looking for a PTO shaft with a 6 spline, I quickly realized there’s more to consider than just the size. Over time, I’ve learned what features matter most to ensure compatibility, durability, and safety. Here’s my straightforward guide based on my personal experience to help you make the right choice.
Understanding What a PTO Shaft 6 Spline Is
Before diving into options, I made sure to understand exactly what a PTO shaft with a 6 spline means. The “6 spline” refers to the number of grooves or teeth on the shaft that connect to your tractor or implement. This ensures a secure fit and efficient power transfer. Knowing this helped me avoid mismatches that could damage equipment.
Check Compatibility with Your Tractor and Implement
My first step was to verify the spline count on both my tractor’s PTO and the implement I wanted to use. Even if the shaft is labeled “6 spline,” the diameter and length can vary. I always measured the shaft length from end to end and confirmed the diameter matched my equipment specs. When in doubt, I consulted the manufacturer’s manual.
Consider Shaft Length and Adjustability
I found that the right shaft length is crucial. A shaft that’s too short or too long can cause operational issues or be dangerous. I preferred adjustable PTO shafts because they allow for a perfect fit and accommodate different implement setups. This flexibility saved me a lot of hassle.
Material and Build Quality Matter
Durability was a big concern for me since PTO shafts endure heavy stress. I looked for shafts made from high-quality steel with corrosion-resistant coatings. Some models come with protective guards or shields, which I highly recommend for safety reasons. Investing in a well-built shaft gave me peace of mind during long work sessions.
Safety Features to Look For
Safety can’t be overlooked. I made sure my PTO shaft included a sturdy safety guard to prevent accidental contact with the spinning shaft. Quick-release locking mechanisms also made connecting and disconnecting easier and safer. Remember, a good safety design protects you and your equipment.
Ease of Maintenance and Replacement Parts
From experience, I know that a PTO shaft will need occasional greasing and sometimes replacement parts like bearings or guards. I chose brands that offered readily available replacement parts and clear maintenance instructions. This made upkeep simple and extended the shaft’s lifespan.
Budget and Brand Reputation
While it’s tempting to go for the cheapest option, I learned that quality pays off in the long run. I compared prices but prioritized reputable brands known for reliability. This approach helped me avoid premature failures and costly repairs down the road.
Final Thoughts
Buying a PTO shaft with a 6 spline isn’t just about matching numbers—it’s about fit, durability, safety, and ease of use. By checking compatibility, choosing quality materials, and prioritizing safety features, I found a shaft that performs well and lasts. I hope my guide helps you find the right PTO shaft for your needs without the usual trial and error.
Author Profile

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Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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