New Belly Mower PTO Drive Pulley Insert.

Pulley insert is 1-3/8" inch with 6 spline which fits the standard 540 RPM tractor PTO.

Please note, this is a TAPERED INSERT for use with the new style tapered pulley / belt sheave.

The NEW style tapered insert measures:

2-1/2" inch at the top of the flange.
1-5/8" inch at top of tapered insert
1-9/16" inch at bottom of tapered insert. Length of tapered insert which goes inside pulley is 1-1/32" inch.
This tapered style insert is held in place by the two bolts, as shown.

The original old style pulley used a straight bore insert which has a keyway and is held in place by 3 bolts.

A original style straight bore insert is shown in the last image for reference.

If you need an original style insert please contact us for availability.