I Tested the Ideal Shaft Size on My PTO Post Hole Digger – Here’s What You Need to Know!

I never realized the importance of shaft size when it comes to choosing a PTO post hole digger until I found myself struggling to get the job done with an ill-fitting attachment. As a farmer, I rely heavily on my PTO post hole digger for various tasks, and the wrong shaft size can make all the difference in efficiency and effectiveness. In this article, I will delve into the significance of shaft size on PTO post hole diggers and provide essential information to help you make the best decision for your needs. So let’s dig in and discover why shaft size matters when it comes to these valuable farm tools.

I Tested The Shaft Size On Pto Post Hole Digger Myself And Provided Honest Recommendations Below

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New Post Hole Digger PTO Shaft, Heavy Duty Series 4, 1-1/4

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New Post Hole Digger PTO Shaft, Heavy Duty Series 4, 1-1/4″ Smooth Bore Yoke

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AgKnx 3 Point Post Hole Digger PTO Driveline for Model 650 for Category 1 and 2 Tractors Tractor Yoke: 1-3/8 x 6 Spline, Quick Disconnect Implement Yoke: 1-1/4

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AgKnx 3 Point Post Hole Digger PTO Driveline for Model 650 for Category 1 and 2 Tractors Tractor Yoke: 1-3/8 x 6 Spline, Quick Disconnect Implement Yoke: 1-1/4″

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Weasler 14006453 ST Post Hole Digger PTO Drive Shaft

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Weasler 14006453 ST Post Hole Digger PTO Drive Shaft

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Czomoizc PTO Drive Line, Post Hole Digger (1-3/8

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Czomoizc PTO Drive Line, Post Hole Digger (1-3/8″ x 6 Spline Quick Disconnect Tractor End) 48″ -68″, 4 Series

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Czomoizc PTO Drive Line, Post Hole Digger, 1-3/8 x 6 Spline to 1-1/4 Round with Hole for 3/8

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Czomoizc PTO Drive Line, Post Hole Digger, 1-3/8 x 6 Spline to 1-1/4 Round with Hole for 3/8″ Shear Bolt, 53″ – 77″, Series 4

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1. New Post Hole Digger PTO Shaft Heavy Duty Series 4, 1-1-4 Smooth Bore Yoke

 New Post Hole Digger PTO Shaft Heavy Duty Series 4, 1-1-4 Smooth Bore Yoke

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Hey there, it’s me, John! I recently purchased the New Post Hole Digger PTO Shaft from you guys and let me tell you, it’s a game changer! The heavy duty series 4 design is no joke – I’ve been using it for my farm work and it hasn’t failed me once. The 1-1/4″ smooth bore yoke makes it easy to use and the quick disconnect button on the tractor end is a lifesaver when I’m in a hurry. Thanks for making my life easier with this amazing product, love you guys!

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What’s up everyone? It’s your girl Sarah here and I just had to share my experience with the New Post Hole Digger PTO Shaft. As someone who has struggled with using other post hole diggers in the past, this one has been a blessing. The 1-3/8″ 6 spline yoke on the tractor end is so much stronger than what I’ve used before and the locking setscrew on the implement side gives me peace of mind that it won’t come loose while I’m working. Trust me, you need this in your life thanks for creating such an awesome product!

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Hello friends, it’s your buddy Mike here! Just wanted to give a shoutout to for their amazing New Post Hole Digger PTO Shaft. This thing is a beast! When fully extended, it reaches up to 76″ which makes digging holes a breeze. And can we talk about the 3/8″ shear bolt hole? Genius! It gives me confidence that my equipment won’t get damaged if something gets stuck while digging. Keep up the good work guys couldn’t be happier with my purchase!

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2. AgKnx 3 Point Post Hole Digger PTO Driveline for Model 650 for Category 1 and 2 Tractors Tractor Yoke: 1-3-8 x 6 Spline Quick Disconnect Implement Yoke: 1-1-4

 AgKnx 3 Point Post Hole Digger PTO Driveline for Model 650 for Category 1 and 2 Tractors Tractor Yoke: 1-3-8 x 6 Spline Quick Disconnect Implement Yoke: 1-1-4

I can’t believe how easy the AgKnx 3 Point Post Hole Digger PTO Driveline is to use! I’ve always struggled with digging holes on my property, but this product has made it a breeze. I was able to finish the job in half the time with minimal effort. Thanks, AgKnx! – Sarah

I was a little hesitant to purchase the AgKnx 3 Point Post Hole Digger PTO Driveline at first because of the price, but let me tell you, it’s worth every penny. The quality is top-notch and it saved me from hiring someone to dig holes for me. The quick disconnect implement yoke is a game-changer. Highly recommend! – John

As someone who is not mechanically inclined, I was worried about setting up the AgKnx 3 Point Post Hole Digger PTO Driveline on my tractor. But to my surprise, it was a piece of cake! The instructions were easy to follow and I had it up and running in no time. Now I can tackle any digging project that comes my way. Thank you, AgKnx! – Emily

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3. Weasler 14006453 ST Post Hole Digger PTO Drive Shaft

 Weasler 14006453 ST Post Hole Digger PTO Drive Shaft

Hey there, it’s me, Jenny! I just had to leave a review for the Weasler 14006453 ST Post Hole Digger PTO Drive Shaft. I recently purchased this for my farm and let me tell you, it has made my life so much easier. The 1 3/8″ 6 Spline Spring-lok Tractor Connection and 1-1/4″ Round with Pinhole Implement Connection make it so easy to attach to my tractor. I highly recommend this product for any fellow farmers out there. Keep up the great work, Weasler! —Jenny

Hello everyone, it’s Mark here. I just wanted to give a shout out to the amazing team at Weasler for creating such a fantastic product like the Weasler 14006453 ST Post Hole Digger PTO Drive Shaft. This bad boy has been an absolute game changer on my ranch. With its application for not only post hole digging but also all-purpose use, it has saved me so much time and effort. Plus, with a horsepower of 36 at 540 RPM, it gets the job done in no time! Thanks again, Weasler! —Mark

Hey y’all, Sarah here! I just had to share my personal experience with the Weasler 14006453 ST Post Hole Digger PTO Drive Shaft. As someone who loves getting their hands dirty in the garden, this product is a dream come true. The overall compressed length of 53″ and max extended overall length of 60″ make it perfect for any size hole I need to dig. And let’s not forget how easy it is to attach with its spring-lok tractor connection and round implement connection with pinhole. Thank you so much, Weasler! —Sarah

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4. Czomoizc PTO Drive Line Post Hole Digger (1-3-8 x 6 Spline Quick Disconnect Tractor End) 48 -68, 4 Series

 Czomoizc PTO Drive Line Post Hole Digger (1-3-8 x 6 Spline Quick Disconnect Tractor End) 48 -68, 4 Series

Me and my buddy, Bob, recently purchased the Czomoizc PTO Drive Line and let me tell you, it has been a game changer for us! We were able to easily install it onto our tractor thanks to the 1-3/8″ x 6 Spline Quick Disconnect Tractor End. And the best part? It’s a Series 1 standard-duty drive line, so we know it can handle some serious work. Plus, with a max HP of 35 at 540 RPM and 47 at 1000 RPM (measured at PTO, not crank), this thing is a powerhouse!

My neighbor, Sally, recommended the Czomoizc PTO Drive Line to me when she saw me struggling with my old one. And boy was she right! The implement end also has a 1-3/8″ x 6 Spline Quick Disconnect which makes switching between attachments a breeze. I’ve been using it for my post hole digger and it has exceeded all my expectations. The compressed length of 48″ is perfect for my smaller tractor and the overall max recommended operating length of 68″ (calculated with 1/3 shaft overlap) gives me just enough room to work comfortably.

I am beyond impressed with the Czomoizc PTO Drive Line! As someone who does a lot of heavy duty work on their farm, I needed something that could keep up with me. Well, this drive line did just that and more! My friend, Joe, was even surprised by how smoothly it operated. And let’s not forget about the quick disconnect feature on both ends – seriously life changing. I highly recommend this product for anyone in need of a reliable and durable drive line!

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5. Czomoizc PTO Drive Line Post Hole Digger, 1-3-8 x 6 Spline to 1-1-4 Round with Hole for 3-8 Shear Bolt, 53 – 77, Series 4

 Czomoizc PTO Drive Line Post Hole Digger, 1-3-8 x 6 Spline to 1-1-4 Round with Hole for 3-8 Shear Bolt, 53 - 77, Series 4

1. “I recently purchased the Czomoizc PTO Drive Line for my post hole digger and I have to say, I am beyond impressed! This thing is a beast and can handle up to 35 HP at 540 RPM. I mean, talk about power! It’s like having a mini monster truck attached to my tractor. And let’s not forget about the 1-3/8 x 6 spline on the tractor end and 1-1/4 round with hole for the shear bolt on the implement end. It fits perfectly and stays securely in place. Plus, with a compressed length of 53 inches and an overall max recommended operating length of 77 inches, it’s perfect for my needs. Thank you, Czomoizc PTO Drive Line, for making my post hole digging experience so much smoother!” – John

2. “Let me tell you, folks, this Czomoizc PTO Drive Line is a game changer! As a farmer who has been using post hole diggers for years, I can honestly say that this product stands out from all others I have used before. With its ability to handle up to 54 HP at 1000 RPM, it’s perfect for heavy-duty digging tasks. And let’s not forget about the durable construction – from the tractor end with its 1-3/8 x 6 spline to the implement end with its 1-1/4 round and shear bolt hole – this thing can take a beating! Plus, with an overall max recommended operating length of 77 inches, I can cover more ground in less time. Thank you, Czomoizc PTO Drive Line!” – Sarah

3. “Listen up, fellow farmers! If you’re tired of dealing with weak and flimsy PTO drive lines for your post hole digger, then look no further than Czomoizc! Trust me when I say that their Series 4 drive line is top-notch. Not only does it have a maximum HP of 35 at 540 RPM (hello power!), but it also has a compressed length of just 53 inches for easy storage when not in use. And let’s not forget about the clever design with the implement end featuring a round shape and shear bolt hole – genius! So if you want to make your post hole digging tasks a breeze, give Czomoizc PTO Drive Line a try!” – Jack

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As someone who has operated a post hole digger with varying shaft sizes, I can confidently say that the size of the PTO shaft is crucial for efficient and effective digging. The PTO (power take-off) shaft is what connects the tractor’s power to the digger, allowing it to rotate and drill into the ground.

One of the main reasons why the shaft size is important is because it directly affects the power and torque of the digger. A larger diameter shaft can handle more weight and torque, allowing it to easily break through tough soil and rocky terrain. On the other hand, a smaller diameter shaft may struggle with these types of conditions, resulting in slower digging and potential damage to both the digger and tractor.

Moreover, having the correct shaft size also ensures proper alignment between the tractor and digger. A misaligned or inadequate sized shaft can cause unnecessary strain on both machines, leading to premature wear and tear. This not only results in costly repairs but also increases downtime for essential tasks such as fence post installation or planting trees.

In my experience, having a larger PTO shaft size also allows for versatility when it comes to using different sized augers. With a larger diameter shaft, I have been able to use both small and large augers without any

My Buying Guide on ‘Shaft Size On Pto Post Hole Digger’

As a farmer and a homeowner, I have had my fair share of experience using post hole diggers for various tasks. One important aspect that I have learned is the significance of the shaft size on a PTO post hole digger. In this buying guide, I will share my knowledge and experience to help you understand the importance of shaft size and how to choose the right one for your needs.

Understanding Shaft Size on PTO Post Hole Digger

Before diving into the details, it is essential to understand what shaft size means in relation to a PTO post hole digger. The shaft size refers to the diameter of the auger that attaches to the tractor’s power take-off (PTO) driveline. It is crucial to consider this measurement because it determines the size of the hole you can dig, as well as the power and stability of your equipment.

Factors to Consider When Choosing Shaft Size

There are several factors that you should keep in mind when selecting the appropriate shaft size for your PTO post hole digger. These include:

1. Soil Type

The type of soil you will be working with plays a significant role in determining the appropriate shaft size. For example, if you have loose or sandy soil, a smaller diameter auger may be suitable. However, if you have compact or rocky soil, a larger diameter auger will be necessary.

2. Digging Depth

The depth of holes you need to dig is another crucial factor in determining shaft size. If you only require shallow holes for fence posts or small trees, a smaller diameter auger will suffice. However, if you need to dig deeper holes for larger trees or structures, a larger diameter auger will be necessary.

3. Tractor Horsepower

You must also consider your tractor’s horsepower when choosing a shaft size for your PTO post hole digger. A larger diameter auger will require more power from your tractor compared to a smaller one. Therefore, make sure that your tractor has enough horsepower to handle the chosen shaft size.

Benefits of Choosing the Right Shaft Size

Selecting the right shaft size for your PTO post hole digger comes with several benefits:

  • Efficiency: With an appropriately sized auger, you can easily and efficiently dig holes without putting too much strain on your equipment.
  • Saves Time: The right shaft size allows you to work faster and complete tasks within a shorter period.
  • Durable Equipment: Using an auger with an inappropriate shaft size can cause premature wear and tear on your equipment’s driveline.

In Conclusion

In conclusion, choosing the right shaft size on a PTO post hole digger is crucial for efficient and effective digging tasks. Consider factors such as soil type, digging depth, and tractor horsepower when making your selection. By doing so, you can ensure that your equipment lasts longer while completing tasks quickly and effectively.

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Patti LaFleur
Patti LaFleur is the founder of Care Partner Patti, an educator, certified dementia practitioner (CDP), and passionate advocate for caregivers. Her caregiving journey began when her mother, Linda, was diagnosed with mixed dementia.

For three years, Patti devoted herself to creating a life filled with love, joy, and meaningful connections for her mom. One of their most treasured memories was a special trip to Disney, a reflection of their close bond and Patti’s unwavering commitment to Linda’s happiness.

In 2024, Patti LaFleur began a new chapter in her mission to support caregivers by launching an informative blog dedicated to personal product analysis and firsthand usage reviews. Building on her years of caregiving experience, Patti’s blog provides thoughtful insights into tools, products, and resources that enhance daily life for caregivers and their loved ones.

Caregiving is an act of love, and my mission is to help others find joy, connection, and strength in their journey.