ASIN B00827B3QSImage via Amazon
Koch Industries 4045223 PTO 21 Sp 1000 RPM to 6 Sp 540 RPM Quick Release Spline Adapter with 1-3/8 by 6-Inch Male Spline and 1-3/8 by 21-Inch Female Spline
$40.88
Price as of Oct 16, 2026, 7:48 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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Key features
Connect implements to a tractor's PTO shaft
Allows for power to be transferred from the tractor to the implement
Male Spline 1-3/8 by 6 and Female Spline 1-3/8 by 21
Adapter 21 Sp 1000 RPM to 6 Sp 540 RPM
Yellow zinc plated finish
Koch Industries 4045223 PTO 21 Sp 1000 RPM to 6 Sp 540 RPM Quick Release Spline Adapter with 1-3/8 by 6-Inch Male Spline and 1-3/8 by 21-Inch Female Spline
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