Upgraded PTO Extender Adapter For Tractor 1 3/8 6 Spline Female Male 1 3/8

This PTO Extender Adapter is a durable tractor driveline extension with 1-3/8 inch 6-spline female and male ends, rated for up to 70HP applications.

Product Overview

This PTO extender adapter spaces the tractor power take-off shaft rearward to clear implement hitches, guards, or front-mounted attachments. Built for 1-3/8 inch 6-spline connections, the PTO extender adapter transmits power from the tractor to PTO-driven implements without altering shaft engagement. Operators using compact and utility tractors rely on this PTO extender adapter to maintain safe driveline clearance during demanding fieldwork.

Key Features & Performance

• 1-3/8 inch 6-spline female input and male output ends
• Rated for tractors and implements up to 70 horsepower
• Heavy-duty steel construction withstands high torque and continuous use
• Extends PTO shaft length to prevent coupling interference
• Sherardized or corrosion-resistant finish for long outdoor service life
• Maintains standard 540 RPM PTO speed without modification

Fitment & Compatibility

• Fits tractors and implements with 1-3/8 inch 6-spline PTO shafts
• Compatible with most Category 1 and Category 2 PTO drivelines up to 70HP
• Works with brush mowers, rotary cutters, tillers, post hole diggers, and other PTO-driven attachments

Common Uses

• Extending the tractor PTO stub to clear mounted implement frames or quick hitches
• Preventing U-joint binding on short drivelines with front-end attachments
• Adding clearance for safety shields and guards on modern implements
• Adapting standard PTO shafts when implement connection points are recessed

Technical Specifications

• Spline Size: 1-3/8 inch, 6 spline
• Ends: 1-3/8" 6-spline female x 1-3/8" 6-spline male
• Maximum HP Rating: 70HP

Frequently Asked Questions

Q: Will this extender work with a 1-3/8 inch 6-spline PTO shaft? A: Yes, both ends are 1-3/8 inch 6-spline, designed to connect standard 540 RPM PTO shafts.

Q: What is the maximum tractor horsepower this adapter can handle? A: It is rated for up to 70HP, making it suitable for compact and mid-sized tractors used with mowers and tillers.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.