PTO Adapter 1 3/4″ 20 Splines Female and 1 3/8″ 21 Splines Male

About this part

A 1 3/8 21 spline PTO adapter is a specialized component designed to connect PTO shafts with a 1 3/8-inch diameter and 21 splines to implements or machinery that require a different type of PTO connection. This size and configuration are often used in tractors and farm equipment.

Key Features of a 1 3/8 21-Spline PTO Adapter

1. Compatibility:

Commonly fits tractors with a 1 3/8-inch, 21-spline PTO output.

Adapts to different shaft types, such as 6-spline or 20-spline inputs.

2. Material:

Usually made from heavy-duty hardened steel to withstand high torque and wear.

3. Applications:

Connecting mismatched PTO shafts between tractors and implements.

Used in farming, landscaping, and industrial machinery.

Common Uses:

Attaching implements like rotary cutters, hay balers, or tillers to a tractor.

Modifying PTO output to match equipment input.

Providing flexibility when swapping between implements with different PTO configurations.