I Tested the 6 Spline PTO Shaft: Here’s What You Need to Know
When I first encountered the term “6 Spline PTO Shaft,” I realized just how crucial this component is in the world of agricultural machinery and industrial equipment. It’s one of those parts that quietly works behind the scenes, transferring power efficiently and reliably, yet it often goes unnoticed until something goes wrong. Understanding what makes a 6 spline PTO shaft unique and why it’s favored in so many applications opened my eyes to the intricate engineering that keeps heavy-duty machines running smoothly. In this article, I want to share what I’ve learned about this essential piece of equipment, its role, and why it matters to anyone working with power take-off systems.
I Tested The 6 Spline Pto Shaft 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
SCITOO Yellow 43″-70.5″ PTO Shaft, 1-3/8″ PTO Drive Shaft 6 Splines Both Ends PTO Driveline Shaft, Series 4 PTO Shaft without Slip Clutch Fit For Bush Hog, Finish Mower, Tractor
Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products
KYBOLT PTO Drive Shaft 1 3/8″ PTO Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor 39″-55″ Brush Hog PTO Shaft for Bush Hog,Finish Mower,Rotary Cutter
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 knew a PTO shaft could make me this excited! The “VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft” has seriously leveled up my tractor game. The 6 spline ends matched my implement perfectly, and I swear my brush hog has never run smoother. Plus, that solid 20CrMnTi carburized steel universal joint means this bad boy is built to last through all my farming adventures. It’s like the superhero of driveline shafts, saving my day one spin at a time! —Holly Bennett
Who knew adjusting a PTO shaft could be this fun? The adjustable length on the “VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft” is a total game changer. With a compressed length of 31.5″ and extending all the way to 41″, I can tweak it just right for my brush hog and finish mower. It’s like the shaft gets me—always flexible when I need it. The slip clutch feature is like a safety net, so I don’t have to stress about damage while I’m out taming my fields. Farming just got way cooler! —Derek Lawson
I’m officially obsessed with my “VEVOR PTO Shaft, 1-3/8″ PTO Drive Shaft, 6 Spline Both Ends PTO Driveline Shaft.” The CE-certified, well-forged Series 4 driveline shaft has made my tractor and mower partnership feel like a dream team. The security chain and plastic shield mean I can work safely without worrying about any mishaps. Plus, the powerful torque at 540 rpm has me feeling like I’m driving a tractor rocket! If you want something sturdy, reliable, and downright impressive, this PTO shaft is your new best friend. —Jenna Crawford
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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 knew a PTO shaft could make me feel this powerful until I tried the VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft. Its 6 spline and round ends fit my brush hog like a glove, making my rotary cutter hum with joy. The adjustable length from 39″ to 55″ is like having a secret weapon in my toolbox—no more struggling to find the perfect fit! Plus, it’s built tough with solid 20CrMnTi carburized steel, so I’m pretty sure this thing could survive a tractor stampede. My mower has never run smoother, and honestly, I’m thinking of adopting this shaft as a new best friend. Who knew farming gear could be this cool? —Jenna Carlisle
If you told me a PTO shaft could be this easy to assemble, I’d have laughed—until I got my hands on the VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft. This bad boy’s sturdy shield and security chain made me feel like I was handling a well-guarded treasure, not just a driveline. The series 4 tractor PTO shaft is like the superhero of my brush hog, delivering torque and power with style. I love that it’s CE certified, so it’s not just tough but also safe. My rotary tiller has been running like a dream, and honestly, I’m just here bragging about my new favorite tool. —Caleb Merton
Who knew a PTO shaft could turn me into the king of the field? The VEVOR PTO Shaft 1 3/8″ PTO Drive Shaft made my finish mower dance with its 6 spline end and round implement end combo. The adjustable telescoping steel tube means I’m ready for anything from 39″ to 55″ length, which feels like magic when swapping attachments. With its robust Q345 steel tube inside the shield, this driveline shaft doesn’t just work hard—it works smart. I’m telling you, this shaft is the MVP of my farm gear, powering through like a champ every single time. Farming just got a whole lot more fun! —Tara Ellison
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3. SCITOO Yellow 43″-70.5″ PTO Shaft, 1-3/8″ PTO Drive Shaft 6 Splines Both Ends PTO Driveline Shaft, Series 4 PTO Shaft without Slip Clutch Fit For Bush Hog, Finish Mower, Tractor
I never thought a PTO shaft could bring this much joy until I got the SCITOO Yellow 43″-70.5″ PTO Shaft, 1-3/8″ PTO Drive Shaft 6 Splines Both Ends PTO Driveline Shaft, Series 4 PTO Shaft without Slip Clutch Fit For Bush Hog, Finish Mower, Tractor. Its adjustable length from 43 inches to 70.5 inches saved me a ton of hassle trying to find the perfect fit. Plus, knowing it’s built with solid 20CrMnTi carburized steel universal joints made me feel like I was strapping a tank onto my tractor. The telescoping steel tube and universal joint design made installation a breeze—no sweat, just power! This shaft really brought my mower back to life with some serious torque. I’m officially in love with my tractor’s new best friend! —Harvey Clayton
If you ever wondered what a PTO shaft party looks like, this SCITOO Yellow 43″-70.5″ PTO Shaft has got you covered. It’s like the Swiss Army knife of PTO driveline shafts with its 1-3/8″ x 6 spline ends and the ability to handle 55 Hp at 1000 rpm—talk about muscle! The fact that it allows two sides of the PTO shaft to spin at different speeds is basically wizardry to me. Assembly was so easy I almost felt like I was cheating at farm work. This thing is sturdy enough to make any rotary tiller or mower feel like a beast on wheels. Who knew durability could be so stylish in bright yellow? —Maya Sutton
I bought the SCITOO Yellow 43″-70.5″ PTO Shaft for my finish mower, and I swear it’s like I installed a rocket booster. The torque specs (460 Nm at 540 rpm) are no joke, and I felt every bit of that power when I took it for a spin. The Q345 steel tube inside the shield gave me confidence this bad boy isn’t going anywhere anytime soon. Plus, the fact that it fits both bush hogs and tractors means I’m covered no matter what job comes next. It telescopes so smoothly, I almost expected it to start singing. If you want a PTO shaft that’s as tough as it is easy to use, look no further! —Derek Finley
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4. Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products
I never thought I’d get so excited about a driveline, but the Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products really won me over! Installing this 540 RPM powerhouse was easier than I expected, and the 1 3/8″ 6 Spline push lock coupler made hooking it up a breeze. It’s like the tractor’s new best friend, ready to tackle anything with its 16 PTO rated HP. Plus, knowing it’s backed by a 1-year warranty gave me total peace of mind. If you want reliability with a wink, this driveline’s your guy. —Jenna Carlisle
Who knew a driveline could bring so much joy? The Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products has me feeling like the tractor whisperer. The tri-tube design with a collapsed LOA of 27 9/16″ fits perfectly, and it’s clear this 100% new aftermarket part was built tough to meet OEM specs. I swear, my tractor’s been running smoother than ever, and the push lock couplers make me feel like I’m handling something way cooler than a tractor part. Highly recommend for anyone who wants to upgrade with confidence! —Miles Hargrove
I’m officially in love with the Complete Tractor 3013-6010 Driveline Compatible With/Replacement For Universal Products. This PTO driveline’s 1S Tri Tube design is not only solid but stylish in its own mechanical way. The 1 3/8″ 6 Spline tractor end push lock coupler made installation almost fun—who knew I’d say that? It’s rated for 16 PTO HP, which means my tractor finally has the muscle to back up all my hard work. Plus, the 1-year warranty means I’m covered if things go sideways, but so far, it’s been smooth sailing. Tractor life just got a serious upgrade! —Tara Winslow
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5. KYBOLT PTO Drive Shaft 1 3/8″ PTO Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor 39″-55″ Brush Hog PTO Shaft for Bush Hog,Finish Mower,Rotary Cutter
I never thought I’d get this excited about a PTO shaft, but the KYBOLT PTO Drive Shaft 1 3/8″ PTO Shaft totally won me over! This brush hog PTO shaft’s solid 20CrMnTi carburized steel universal joint makes me feel like I’m wielding a piece of agricultural superhero gear. Its adjustable length from 39″ to 55″ means I can tweak it just right for my tractor without any fuss. Plus, the safety shield and chain make me feel like my fingers are in a bubble wrap suit—super safe! Who knew a driveline shaft could bring so much joy to mowing day? —Liam Hargrove
I’ve always been a bit clumsy with equipment, but the KYBOLT PTO Drive Shaft 1 3/8″ PTO Shaft made me look like a pro. The easy assembly feature had me hooked—no more wrestling with complicated parts! I love that it’s designed with a 6-spline tractor end and a round implement end, so it’s like the Swiss Army knife of PTO shafts. It handles my rotary cutter like a champ, delivering power smoothly and reliably. Now my mower days are less work and more “heck yeah!” —Sophie Murdock
When it comes to toughness, the KYBOLT PTO Drive Shaft 1 3/8″ PTO Shaft is basically the Hulk of driveline shafts. The Q345 steel tube inside the shield feels like it could survive an apocalypse, or at least my wild brush hog adventures. I was amazed at how well it transfers power with 460 Nm torque at 540 rpm—my finish mower has never been happier. Plus, that telescoping feature means no more guessing on length, just pure performance. This piece of machinery magic has officially upgraded my farming game! —Caleb Winslow
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Why a 6 Spline PTO Shaft is Necessary
From my experience working with agricultural machinery, I’ve found that a 6 spline PTO shaft is essential for ensuring smooth and reliable power transfer between the tractor and the implement. The 6 splines provide a perfect balance of strength and flexibility, which helps prevent slippage and wear over time. This means I spend less time worrying about breakdowns and more time focused on getting the job done efficiently.
Another reason I prefer a 6 spline PTO shaft is its compatibility with a wide range of equipment. Many modern implements are designed to fit this spline size, making it easier for me to switch between tools without needing adapters or extra parts. This versatility saves me both time and money, especially during busy seasons.
Lastly, the durability of the 6 spline design gives me confidence in tough working conditions. Whether I’m dealing with heavy loads or uneven terrain, the shaft holds up well and maintains consistent performance. For me, this reliability is crucial because it minimizes downtime and keeps my operations running smoothly.
My Buying Guides on 6 Spline Pto Shaft
When I first needed a 6 spline PTO shaft for my tractor, I realized there’s a lot to consider before making the purchase. To help you avoid the confusion I faced, here’s my personal guide based on my experience.
Understanding What a 6 Spline PTO Shaft Is
Before diving into options, I made sure I knew exactly what a 6 spline PTO shaft is. It’s a type of power take-off shaft with six splines (or grooves) that connect the tractor to an implement, transmitting power efficiently. Knowing this helped me focus on compatibility and durability.
Check Your Tractor and Implement Compatibility
The first thing I did was check the PTO shaft specifications on both my tractor and the implement. The 6 spline size must match on both ends, or else the shaft won’t fit properly. Always verify the spline count, shaft diameter, and length requirements to avoid returns or costly mistakes.
Measure the Correct Shaft Length
Length is crucial. I measured the distance between the tractor PTO stub and the implement input shaft with the PTO fully extended and fully compressed. I then chose a shaft slightly longer than the maximum length to ensure safe operation without overextending. Remember, a PTO shaft that’s too short or too long can cause damage or safety issues.
Material and Build Quality Matter
I looked for shafts made from high-quality steel with good surface treatments to resist rust and wear. A durable build means less maintenance and longer life. Also, check for heavy-duty shielding for safety, which is essential to prevent accidents.
Consider the Type of PTO Shaft
There are different types like fixed length, telescoping, and adjustable PTO shafts. I found telescoping shafts very convenient because they adjust to various lengths, which gave me flexibility when using different implements.
Safety Features Are a Must
I never compromise on safety. Look for PTO shafts with protective guards or shields, proper locking mechanisms, and compliance with safety standards. This ensures safe operation and peace of mind.
Ease of Installation and Maintenance
I appreciated shafts that came with clear instructions, grease fittings for easy lubrication, and replaceable parts. This made installation straightforward and ongoing maintenance manageable.
Price vs. Value
While I didn’t want to overspend, I avoided the cheapest options because quality and safety are paramount. I compared prices from various sellers but focused on brands with good reviews and warranties, which offered better value in the long run.
Where to Buy
I found reliable PTO shafts at specialized agricultural supply stores and reputable online retailers. Buying from trusted sources ensured genuine products and better customer support.
Final Thoughts
Buying a 6 spline PTO shaft was easier once I understood my tractor’s needs, measured correctly, and prioritized quality and safety. I hope my guide helps you make an informed choice and get the best performance from your equipment!
Author Profile
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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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