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Pto Adapters & Accessories
| Linkwell Part No. |
Popular Code |
Description | Male Spline |
Female Spline |
Extends PTO |
Overall Length |
Max H.P. |
Weight (lbs.) |
|---|---|---|---|---|---|---|---|---|
| ISCPTO1660 | SP1660 | Sleeve increaser; Ford 231082 | 1-3/8” x 6 | 1-1/8” x 6 | 0 | 2” | 75 | 0.2 |
| ISCPTO1662 | SP1662 | Sleeve increaser; all tractors except Ford | 1-3/8” x 6 | 1-1/8” x 6 | 0 | 2-1/4” | 75 | 0.2 |
| ISCPTO1663 | SP1663 | PTO spline adapter; converts 21 spline 1000 RPM to 6 spline 540 RPM | 1-3/8” x 6 | 1-3/8” x 21 | 3-1/4” | 5-7/8” | 75 | 2.0 |
| ISCPTO1664 | SP1664 | Universal reducer | 1-1/8” x 6 | 1-3/8” x 6 | 3-5/16” | 5-1/8” | 75 | 1.4 |
| ISCPTO1665 | SP1665 | PTO increaser | 1-3/8” x 6 | 1-1/8” x 6 | 3-5/8” | 5-1/2” | 75 | 1.3 |
| ISCPTO1666 | SP1666 | PTO short increaser | 1-3/8” x 6 | 1-1/8” x 6 | 1-1/8” | 3-1/4” | 75 | 0.6 |
| ISCPTO1667 | SP1667 | PTO spline adapter; 20 to 6 spline; set screw lock | 1-3/8” x 6 | 1-3/4” x 20 | 4-5/8” | 7-1/2” | 75 | 6.1 |
| ISCPTO1668 | SP1668 | PTO extender | 1-3/8” x 6 | 1-3/8” x 6 | 3-5/16” | 5-1/8” | 75 | 2.2 |
| ISCPTO16610 | SP16610 | PTO spline adapter with quick-release; converts 21 spline 1000 RPM to 6 spline 540 RPM | 1-3/8” x 6 | 1-3/8” x 21 | 3-7/8” | 6-1/2” | 75 | 2.5 |
| ISCPTO16611 | SP16611 | PTO spline adapter with quick-release: converts 6 spline 540 RPM to 21 spline 1000 RPM | 1-3/8” x 21 | 1-3/8” x 6 | 4-1/8” | 6-1/2” | 75 | 2.5 |
| ISCPTO16612 | SP16612 | PTO extender with quick-release | 1-3/8” x 6 | 1-3/8” x 6 | 4-3/8” | 6-1/2” | 75 | 2.8 |
| ISCPTO16613 | SP16613 | PTO extender with quick-release; 21 spline 1000 RPM | 1-3/8” x 21 | 1-3/8” x 21 | 4-1/8” | 5-7/8” | 75 | 3.2 |
| ISCPTO16615 | SP16615 | PTO spline adapter; 20 to 21 spline; set screw lock | 1-3/8” x 21 | 1-3/4” x 20 | 4-5/8” | 7” | 75 | 4.2 |
| ISCPTO16646 | SP16646 | Splined adapter; extended length for use with Gresen pump | 1-3/8” x 6 | 1-3/8” x 6 | 11-5/8” | 15” | 75 | 6.0 |
| ISCPTO16630 | SP16630 | Over-running clutch; maximum 1000 RPM operating speed | 1-3/8” x 6 | 1-3/8” x 6 | 3-13/16” | 6-1/2” | 75 | 5.0 |
| ISCPTO16631 | SP16631 | Over-running clutch; maximum 1000 RPM operating speed | 1-3/8” x 6 | 1-1/8” x 6 | 3-13/16” | 6-1/2” | 75 | 5.0 |
| ISCPTO16660 | SP16660 | Over-running clutch with quick-release; maximum 1000 RPM operating speed | 1-3/8” x 6 | 1-3/8” x 6 | 4-1/2” | 6-3/4” | 75 | 7.2 |
| ISCPTO16661 | SP16661 | Over-running clutch with quick-release; maximum 1000 RPM operating speed | 1-3/8” x 6 | 1-1/8” x 6 | 4-1/2” | 6-3/4” | 75 | 7.1 |
Across Continents, Beyond Limits
Compatible aftermarket agri parts
*We manufacture and supply spare parts for the aftermarket industry only. We are not an OEM manufacturer, nor affiliated with the brand owners mentioned above.*








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