Power Take Off (PTO) spline shaft is a crucial component in agricultural machinery. This particular component plays a key role in connecting the PTO drive engine to the tractor or implement. With various types available, it can be classified into 6, 8, 10, 15, 20, and 21 spline PTO shafts based on the number of splines. Let us delve deeper into some of the commonly used ones.
6 Spline PTO Shaft
A 6 spline PTO shaft is essential for many farm machines, providing a stable connection between different types of machinery. This shaft transfers power from the tractor to the attachment, enabling the machinery to function. It can be adjusted from 53 inches to the recommended 77 inches, making it ideal for heavy-duty applications.

21 Spline PTO Shaft
Another popular type is the 21 spline PTO shaft. It is used in a variety of machinery such as mowers, wood chippers, rotary tillers, brush cutters, and fertilizer spreaders. Made of premium-quality steel, it is designed for a flexible and versatile design that fits all PTO-powered equipment.

540 to 1000 PTO Spline Shaft
PTO spline shafts typically operate between 540 and 1000 rpm. A PTO spline shaft is designed for both general purpose and robust uses, and it connects to almost all types of tractors and implements.

Benefits of Tractor PTO Spline Shaft
Installing a spline PTO shaft on a tractor comes with several benefits. For instance, the length of a tractor PTO spline shaft can be adjusted to accommodate different sizes of implements. Additionally, a spline PTO shaft is crucial for the tractor’s power takeoff, transferring power from the engine to an attachment.

Cutting the PTO Shaft to the Appropriate Length
It is important to cut the PTO shaft to the appropriate length for optimal performance. Here is a helpful guide on how to do it.

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Common Questions About Tractor PTO Spline Shaft
- What is a PTO spline shaft?
- How does a PTO spline shaft work?
- What are the different types of PTO spline shafts?
- How to maintain a PTO spline shaft?
- Where can I purchase a high-quality PTO spline shaft?