1" Coupler x 1-3/8" x 6" To 1-3/8" x 6 Spline
This splined adapter can be used for a wide range of pumps. There are 6 splines and dimensions of the spline shaft coupling measures 1-3/8 in. x 6 in., with a 1/4 in. keyway inside of the shaft. The coupler has a 1 in. bore and measures 4-1/8 in.
Specifications- Detach spline adapter: 1-3/8 in. x 6 spline
- Length: 4-1/8 in.
- Keyway: 1/4 in.
- Round bore: 1 in.
- 6 spline
- Spring lock attachment
This was a perfect replacement for the worn-out coupler on the pump of my PTO log splitter. You might need a bit of fine emery paper to remove the paint on the inside of the shaft bore and/or a small file to debur/widen the keyway, but otherwise it was a easy install. My old coupler used a thumb screw to secure it to the PTO shaft, so the spring-loaded lock on this one will make life easier. This appears to be a well-made item that will give me years of good service. — Eugene in Michigan from MI
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