917-1773 / 717-1773 PTO Clutch for Cub Cadet 1515 & 1525 | Warner 5215-145

Overview

This 917-1773 / 717-1773 PTO clutch replacement is an aftermarket electric clutch for select Cub Cadet lawn tractor applications, including 1515 and 1525 configurations using these clutch numbers. It also replaces Warner 5215-145, commonly searched as 5215145.

Built with a 1-inch shaft bore, 6-inch pulley and CCW rotation, this assembly replaces the clutch that engages the mower deck drive belt. Compare the original clutch number, connector, pulley alignment and mounting arrangement before ordering.

Part-number update: Cub Cadet identifies 917-1773 as the replacement for 717-1773. Either number may appear in your tractor's parts manual or on the original clutch.

Key Features & Specifications

• Product Type: aftermarket electric PTO clutch assembly
• Cub Cadet / MTD References: 917-1773, 717-1773
• Warner Reference: 5215-145 / 5215145
• Shaft Bore: 1 inch
• Pulley Diameter: approximately 6 inches
• Belt Applications: 1/2-inch or 5/8-inch; match the original belt and pulley configuration
• Rotation: CCW, viewed from the pulley side
• Electrical System: 12V DC
• Configuration: standard black pulley with wiring lead and connector as pictured
• Assembled clutch, pulley, bearing and brake components

Cub Cadet Model Fitment & Parts Diagrams

The following model-specific parts references list 717-1773 in the PTO system. Use the reference that matches your tractor, then compare the installed clutch and electrical connection.

• Cub Cadet 1515: see the 1515 PTO diagram and parts list, pages 43–44, item 20.
• Cub Cadet 1525: see the 1525 PTO diagram and parts list, pages 47–48, item 7.

Checking a Cub Cadet 1517? Some aftermarket catalogs include this model, but an older shared 1515/1517 parts reference specifies 717-1708 for the 1517. Confirm the original clutch number or your tractor's current service parts reference before choosing this 917-1773 / 717-1773 replacement.

Do not order by the 1500 Series name alone. Engine, shaft, wiring and clutch configurations can differ between models.

Replaces OEM Part Numbers

• Cub Cadet / MTD: 917-1773, 717-1773
• Unhyphenated Search References: 9171773, 7171773

Manufacturer & Aftermarket Cross-References

• Warner: 5215-145, 5215145
• Xtreme Replacement References: X0186, X0186-K

This is an aftermarket replacement, not an original Cub Cadet, Warner or Xtreme-branded clutch.

Related Replacement Applications

The broader aftermarket replacement family also includes Toro 94-2514 and Ariens / Gravely 04915400. View those dedicated listings for their model and part-number information. A shared replacement family does not make every mower from those brands compatible.

What's Included

• One complete electric PTO clutch assembly
• Pulley, bearings and brake components assembled with the clutch
• Wiring lead and connector as shown in the product photos

Compare the shaft key arrangement, pulley offset, connector and anti-rotation mounting with your original assembly. Install with the spacers and mounting hardware required by your tractor's service instructions.

Why Buy From PTO Direct USA?

• Fast USA shipping
• Fitment guarantee
• 1-year limited warranty
• Clear product photos for easier clutch identification
• Fitment support before and after purchase

FAQ

Does 917-1773 replace 717-1773?

Yes. Cub Cadet lists 917-1773 as the service replacement for 717-1773. This aftermarket assembly covers that replacement application when the physical configuration matches.

Does this replace Warner 5215-145?

Yes. Warner 5215-145 is the manufacturer cross-reference for this application. The no-dash format 5215145 refers to the same number.

Will this fit my Cub Cadet 1515 or 1525?

It replaces the 917-1773 / 717-1773 application listed in the model references above. Check your complete model number, original clutch and connector before ordering, especially if the engine or clutch has previously been changed.

What shaft size does this clutch fit?

This clutch has a 1-inch bore. It will not fit a 1-1/8-inch shaft. Check the shaft size along with the clutch number and pulley alignment.

Can you help confirm my replacement?

Yes. Email support@ptodirectusa.com with your tractor model, serial number and clear photos of the clutch label, connector, pulley and anti-rotation mounting.

Need installation help? Read our PTO clutch installation guide.

Need a different clutch? Browse the Cub Cadet PTO clutch collection or the full electric PTO clutch catalog.