3 Series PTO Shaft – Replacement of Bondioli & Pavesi PTO Shaft

3 Series PTO Shaft - Replacement of Bondioli & Pavesi PTO Shaft

A 3 Series PTO shaft is a type of drive shaft that is used to transfer power from the tractor's power take-off (PTO) to an implement. It is characterized by its three-splined end, which mates with the PTO on the tractor. 3 Series PTO shafts are typically made of steel or aluminum, and they are available in a variety of lengths and styles.

3 Series PTO shafts are used with a variety of implements, including mowers, balers, and cultivators. They are also used with some types of trailers. When choosing a 3 Series PTO shaft, it is important to select one that is the correct length and style for the implement that it will be used with. It is also important to make sure that the shaft is made of a strong material that can withstand the forces that will be applied to it during use.

3 Series PTO shafts are an important part of any tractor's power take-off system. They allow the tractor to power a variety of implements, which makes it a more versatile machine. 3 Series PTO shafts are also relatively inexpensive, which makes them a cost-effective way to add additional functionality to a tractor. If you are looking for a way to add additional functionality to your tractor, a 3 Series PTO shaft is a great option. They are strong, durable, and affordable, and they are available in a variety of lengths and styles to fit your needs.

▍3 Series PTO Shaft Parts

▍3 Series PTO Shaft Tractor Yoke

	Dim. “A” mm	Dim. “B” mm	in.
Safety Slide Lock	1 3/8” x 6 Spl.	120.0	4.72”
	1 3/8” x 21 Spl.	120.0	4.72”
Quick Disconnect Yoke	1 3/8” x 6 Spl.	102.0	4.02”
	1 3/8” x 21 Spl.	102.0	4.02”

▍3 Series PTO Shaft Cross & Bearing Kit

	Dim. “A” mm	in.	Dim. “B” mm	in.
	27	1.06”	70	2.76”

*Cross & Bearing Kit and Outboard Yoke interchange with Walterscheid 2100 Series PTO Shaft.

▍3 Series PTO Shaft Inner Profile Yoke

	Dim. “A” mm	in.	Dim. “B” mm	in.
With Bearing Groove	36.8	1.45”	80	3.15”

▍3 Series PTO Shaft Outer Profile Yoke

	Dim. “A” mm	in.	Dim. “B” mm	in.
With Bearing Groove	44	1.73”	80.0	3.15”

▍3 Series PTO Shaft Inner Tube

	Length mm	in.
	1.5	59.06”
	1.0	39.37”

▍3 Series PTO Shaft Roll Pin

	Dim. “A”		Dim. “B”
	mm	in.	mm	in.
	8.0	.31”	60.0	2.36”

▍3 Series PTO Shaft Outer Tube

	Length mm	in.
	1.5	59.06”
	1.0	39.37”

▍3 Series PTO Shaft Implement Yoke

	Dim. “A”		Dim. “B”		Standard Keyway
	mm	in.	mm	in.	mm	in.
Round Bore With Keyway & Set Screw	31.8	1.25”	92.0	3.62”	6.4	.25”
	34.9	1.38”	92.0	3.62”	8.0	.31”
	25.0	.98”	92.0	3.62”	8.0	.31”
	30.0	1.18”	92.0	3.62”	8.0	.31”
	Dim. “A”		Dim. “B”		Pinhole
	mm	in.	mm	in.	mm	in.
Shear Pin With PinHole	31.8	1.25”	92.0	3.62”	6.35	.25”
	25.0	.98”	92.0	3.62”	8.00	.315”
	30.0	1.18”	92.0	3.62”	10.00	.394”
	34.9	1.38”	92.0	3.62”	12.90	.50”

▍3 Series PTO Shaft Guard

Fits Overall Driveline Length	Bearing Kit (2 per kit)
48”	961-2534
60”	961-2534
Easy Lock Replacement Kit
Guard Chain Kit

*Assembly instructions included with guard bearing kit
NOTE: Guards must rotate freely on yokes

▍3 Series PTO Shaft Driveline

*Drivelines are furnished without Cross & Bearing Kit and Implement Yoke. Select kit and yoke as required.

▍Benefits of Using a 3 Series PTO Shaft

There are several benefits to using a 3 Series PTO Shaft for your agricultural equipment or machinery:

(1) Increased versatility: A 3 Series PTO shaft allows you to use a variety of implements with your tractor, which increases its versatility. For example, you can use a mower, baler, cultivator, or trailer with a 3 Series PTO shaft.

(2) Improved efficiency: A 3 Series PTO shaft can help you to improve the efficiency of your tractor. By using a 3 Series PTO shaft, you can power your implements more efficiently, which can save you time and money.

(3) Reduced wear and tear: A 3 Series PTO shaft can help to reduce wear and tear on your tractor. By using a 3 Series PTO shaft, you can protect your tractor's gears and other components from damage.

(4) Increased safety: A 3 Series PTO shaft can help to increase the safety of your tractor operation. By using a 3 Series PTO shaft, you can reduce the risk of accidents, such as the implement coming loose from the tractor.

▍How Does the 3 Series PTO Shaft Work?

The 3 Series PTO shaft transfers power from the tractor to an attached piece of equipment using a rotating shaft that connects to the tractor's PTO stub shaft. The PTO shaft is made up of several components including two yokes, an inner and outer tube, and splined universal joints.

The PTO shaft yokes are attached to the tractor and the implement and connect the inner and outer tubes. The inner tube is splined and connects directly to the tractor's PTO stub shaft, while the PTO shaft outer tube is designed to slide over the inner tube and houses the splined universal joints.

As the tractor's engine turns the PTO shaft, the rotational energy is transmitted along the shaft and through the universal joints to the implement. The PTO shaft universal joints allow for flexibility in the shaft as it moves, ensuring a smooth transfer of power between the tractor and the implement.

It is important to choose the right size and torque rating of the PTO shaft for your specific equipment to ensure it can handle the power requirements of your implements. Regular maintenance and lubrication of the PTO shaft are also essential to ensure safe and reliable operation.

▍How to Choose the Right 3 Series PTO Shaft?

Choosing the right 3 Series PTO shaft depends on a few different factors. Here are some require careful consideration of a few key factors:

1. The rated horsepower of the equipment: Ensure that the PTO shaft is rated for the horsepower of your equipment. The 3 Series PTO shaft is rated for 35-60 horsepower.

2. The length of the PTO shaft: The PTO shaft needs to be long enough to reach from the tractor to the implement, but not so long that it creates unnecessary stress on the shaft. Measure the distance between the PTO connection on your tractor and the connection on your implement to determine the correct length of the PTO shaft.

3. The rotational speed of the implement: Ensure that the PTO shaft's maximum rotational speed is suitable for the speed required by your implement. The 3 Series PTO shaft has a maximum rotational speed of 540 rpm.

4. The type of implement: Choose a 3 Series PTO shaft compatible with your implement's connection type, such as a 6-spline or 21-spline connection.

5. Weight and balance of the implement: Consider the weight and balance of your implement, ensuring that the 3 Series PTO shaft's size is adequate for the load.

6. Quality and durability: Look for a high-quality 3 Series PTO shaft that is strong and durable so you avoid breakdowns and failures.

▍3 Series PTO Shaft Installation and Maintenance

Installing and maintaining a 3 Series PTO shaft is essential for the safe and reliable operation of agricultural equipment. Here are some important tips for PTO shaft installation and maintenance:

3 Series PTO Shaft Installation:

1. Choose the right size and torque rating for your specific equipment.
2. Attach the inner yoke of the PTO shaft to the tractor's PTO stub shaft, making sure the splines match up.
3. Connect the outer yoke to the implement, again making sure the splines match up.
4. Slide the outer tube over the inner tube, allowing for full extension when necessary.
5. Secure the PTO shaft in place with locking pins or other appropriate fasteners.

3 Series PTO Shaft Maintenance:

1. Inspect the PTO shaft regularly for signs of wear and damage, including worn splines, bent shafts, and other issues.
2. Clean and lubricate the PTO shaft according to manufacturer recommendations to ensure smooth and safe operation.
3. Check the torque on all fasteners regularly to ensure they remain secure.
4. Replace any damaged or worn parts as soon as possible to prevent accidents and increase the lifespan of the equipment.
5. Store the PTO shaft properly when not in use to prevent damage or corrosion.

By following these tips, you can help ensure that your 3 Series PTO shaft and agricultural equipment operate safely and effectively, leading to increased productivity and reduced risk of accidents.

▍PTO Shafts and Agricultural Gearboxes

PTO shafts and agricultural gearboxes are two important components of modern agricultural equipment. A PTO (Power Take-Off) shaft is used to transfer power from a tractor or other source of power to an implement, while an agricultural gearbox is used to adjust the speed and torque of the power transmitted to the implement. Together, they enable agricultural machinery to perform a variety of tasks including plowing, tilling, planting, and harvesting.

Agricultural gearboxes are typically classified by their gear ratios, which determine the output speed and torque that are delivered to the implement. They come in a variety of sizes and configurations to match the different requirements of various types of machinery and their attachments. Some agricultural gearboxes may also include multiple speeds or reverse-cut capabilities, allowing for greater versatility in different field conditions.

PTO shafts come in different sizes and configurations as well, with many different options depending on the equipment being used. The most common types of PTO shafts are the 1, 2, and 3 series PTO shafts, which have different torque ratings and splines to match different equipment requirements. Proper maintenance of PTO shafts is important to ensure safe and reliable operation, including regularly checking for wear on the splines, metal fatigue, and other signs of damage.

By combining agricultural gearbox and PTO shaft, farmers and other agricultural professionals can create a range of high-powered, flexible machinery that can handle the toughest tasks in the field.