Answering the question “which universal joint PTO shaft is right for my equipment?” this guide highlights five well-matched options for common tractors, mowers, and implements. Each product is evaluated for durability, compatibility, and ease of installation. This selection helps buyers choose the best balance of performance and value for mid-range to heavy-duty tasks. The top picks are best for different uses: farm contractors needing reliable heavy-duty shafts, hobbyist farmers upgrading worn U-joints, and workshop technicians replacing worn components on multiple brands.
| Product | Best For | Key Benefit |
|---|---|---|
| WQSING Series Cross Bearing Kit | Multiple brands compatibility | Broad cross-bearing compatibility with common PTO codes |
| RABROPAR 35N 1340 Series | Standard 1-1/4″ PTO systems | Solid cross & bearing kit with wide compatibility |
| VEVOR PTO Shaft (39″-55″) | Long reach, heavy duty | Adjustable length with high torque specs |
| National Drivetrain 1310 Series | DIY-to-weldable applications | Cut-to-length option for custom jobs |
| ULZOZN Cross Bearing Kit | Common replacements | Direct replacement for many brands |
WQSING Series 4 Cross Bearing Kit
The WQSING cross bearing kit fits a broad range of PTO shafts, including Comer 180.014.130 and similar models. The kit lists multiple cross/part numbers such as R64694, 64694BH, and 1004020, indicating broad compatibility with various brands. Best for shops that service multiple makes, or for farmers who own implements from different manufacturers. A potential limitation is that exact fit should be verified against your PTO shaft’s bearing cap size (27.0 mm diameter is listed).
Best for: Hydraulically backed systems that require a reliable, broadly compatible U-joint option. It’s a solid choice when you need a replacement cross bearing compatible with many PTO configurations.
RABROPAR 35N 1340 Series Universal Joint
The RABROPAR 35N 1340 Series Universal Joint is designed for 1-1/4″ capacity and offers a 3-7/32″ overall length, making it suitable for standard PTO shafts used on many mid-size tractors and implements. It’s best for users who need a compact U-joint with dependable cross bearing performance. Limitation: ensure the cap diameter and overall length match your current setup to avoid misfit or vibration.
VEVOR PTO Shaft 1 3/8″ Series 4
The VEVOR 39″–55″ PTO shaft is a robust Series 4 driveline with a 1-3/8″ diameter and 6-spline ends, plus a telescoping design for adjustable length. It supports higher torque environments and includes a durable universal joint with a Q345 tube. Best for: heavy-duty mowing or brush cutting where a longer reach and sturdy build prevent bowing under load. Caution: extension limits should be respected to avoid binding or excessive play.
PTO Universal Drive Shaft Kit – 1310 Series
The National Drivetrain 1310 Series offers a cut-to-length, end-weld kit suitable for projects requiring a custom-length PTO shaft. This kit is best for shops or outdoor equipment fleets needing to tailor the shaft for non-standard installations. Pros include flexibility and a straightforward replacement approach. Limitation: weld-end work requires appropriate fabrication capability and safety measures in handling PTO components.
ULZOZN Cross Bearing Kit Fit
The ULZOZN cross bearing kit emphasizes wide compatibility, aligning with many brand replacements such as 64694, 51A2448, 441M, and 274235. It is positioned as a direct replacement option for King Kutter, Woods, Vermeer, Bush Hog, and others. Best for: users who need a straightforward swap with compatible cross bearings. Caution: verify bearing cap diameter to ensure a precise match with the existing yokes.
ACDelco Gold 45U0107 Universal Joint Kit
The ACDelco Gold 45U0107 provides pivot points for drive shafts and features greaseable points where applicable. This makes it a practical option for protecting against contaminants and reducing wear in high-use applications. Best for: users seeking a premium OEM-style U-joint with maintenance-friendly lubrication features. Limitation: availability of grease fittings and compatibility should be confirmed with your shaft assembly.
VEVOR PTO Shaft 1-3/8″ Series 4 (2 Ends)
The second VEVOR offering focuses on a 1-3/8″ shaft with 6-spline ends and adjustable length. It includes a slip clutch and a robust universal joint, making it suitable for moderate-to-heavy work on Bush Hog and similar implements. Best for: buyers who want a compact, adjustable shaft for mid-range applications. Concern: verify compatibility with both tractor and implement ends before purchase.
Replacement PTO Yoke and U-Joint for Comer 4 Series
This replacement kit matches Comer Series 4 Post Hole Diggers with a 1-1/4 inch shaft diameter yoke, offering a complete assembly with retaining clips. Best for: Comer 4 Series owners seeking a direct, easy install to restore PTO functionality. Limitation: it’s specialized for Comer 4 Series; not a universal fit for all brands.
Buying Guide
What to consider when choosing a universal joint PTO shaft:
- Compatibility: Confirm bearing cap diameter, overall length, and spline or end-Type with your tractor and implement.
- Length adjustability: Telescoping shafts offer flexibility for different implement heights and PTO geometry.
- Torque and horsepower: Match the shaft’s torque rating to your mowing, tilling, or cutting equipment to avoid premature wear.
- Serviceability: Grease points and replaceable cross bearings can extend life in dusty, dirty farms.
- Ease of installation: Direct replacements reduce fabrication time; welded-cut-to-length kits require proper tools and safety.
- Brand compatibility: Some kits emphasize broad cross-compatibility; others target specific brands—choose accordingly.
FAQs
- What is a universal joint PTO shaft used for?
- How do I know if a U-joint fits my PTO shaft?
- Should I choose a telescoping shaft?
- Are greaseable U-joints better?
- What is the risk of choosing the wrong replacement?
- Can I install a non-OEM cross bearing?
It connects tractors to implements, allowing spline and cross-bearing movement to transmit power while accommodating misalignment and motion.
Check bearing cap diameter, overall length, spline size, and end type on your existing shaft and compare to the replacement’s specifications.
Yes, if your equipment requires adjustable length to maintain proper PTO geometry and reduce vibration during operation.
Greaseable joints allow contaminants to be flushed and bearings to be repacked, extending service life in dusty environments.
Using an incompatible joint can cause misalignment, binding, accelerated wear, and potential drive system failure.
Yes, provided the cross, bearing caps, and yokes match the shaft’s dimensions and are compatible with the implement’s power load.