- U-joint cross 20x54.8 mm for overhauling the 4WD PTO drive shaft / drive shaft. Includes snap rings.
- U-joint cross 15x40 mm for overhauling a light drive shaft or steering shaft. Includes snap rings.
- U-joint cross 25x64 mm (external snap rings) for overhauling the drive shaft / propeller shaft. Includes snap rings.
- U-joint cross 25x65 mm for overhauling the PTO shaft / drive shaft. Includes snap rings and grease nipple.
- U-joint cross 20x57 mm for overhauling the drive shaft / PTO drive shaft / PTO shaft. Fits the Kubota B/F/G series and Iseki TU/TX, among others. Includes snap rings.
- U-joint cross 20x52.8 mm (GUN45) for the drive shaft of the Kubota BX series, among others. Includes snap rings.
- U-joint cross 25x63.8 mm for overhauling the drive shaft / propeller shaft (size GUM-81). Includes snap rings.
- U-joint cross 23.8x61.3 mm — standard size B&P S2 / Walterscheid W2200 for the PTO drive shaft of rotary tillers, among others. Includes snap rings and grease nipple.
- U-joint cross 26x67 mm for overhauling the drive shaft, including Yanmar and Hinomoto. Includes snap rings and grease nipple.
Universal Joints for Mini Tractors
What is a universal joint and why is it important?
A universal joint (also called a U-joint or cross joint) is a key component of your mini tractor’s drivetrain. It connects sections of the drive shaft, allowing them to flex and transmit power smoothly when the shaft is at an angle. This flexibility is crucial when your tractor operates on uneven ground or under heavy load, ensuring consistent power transfer from the engine to the wheels or PTO.
A worn or damaged universal joint can cause vibrations, knocking noises, uneven power delivery, or complete drive shaft failure. Replacing faulty universal joints on time prevents further damage to the drivetrain and avoids costly downtime.
How to choose the right universal joint
The right universal joint depends on the brand, model, and application (drive shaft, PTO, or axle) of your mini tractor. Each joint is engineered for specific dimensions and load capacities, so compatibility must be confirmed before purchase.
Not sure which universal joint fits your tractor? Contact our customer service – we will help you find the correct replacement part.
Replacing a universal joint
Replacing a universal joint requires precision but can be done with the right tools. General steps (always follow the service manual of your tractor):
- Preparation: Park the tractor securely, stop the engine, and disconnect the battery.
- Disassembly: Remove the drive shaft to access the universal joint.
- Remove the old joint: Take out the retaining clips and press or tap out the worn universal joint.
- Install the new joint: Insert the new universal joint carefully, align it precisely, and secure it with new retaining clips.
- Reassembly and testing: Reinstall the drive shaft, start the tractor, and check for smooth operation without vibrations or unusual noises.
Our universal joints are carefully manufactured for strength and precision, ensuring easy installation, reliable performance, and long service life.
Why choose Shop4trac for your universal joint?
At Shop4trac, we provide only high‑quality universal joints from trusted suppliers. All parts are thoroughly tested for durability, performance, and precise fit. With fast shipping and excellent customer support, you can count on us to keep your tractor operating smoothly.
Whether you need a universal joint for the drive shaft, PTO, or axle of your Iseki, Yanmar, Kubota, or Shibaura, Shop4trac delivers the quality and reliability you deserve.
