917-05209 PTO Clutch Replacement for Cub Cadet XT1, XT2, RZT | Replaces 717-05209, Warner 5219-177

Overview

This 917-05209 PTO clutch replacement is an aftermarket electric PTO clutch for select Cub Cadet, MTD, Troy-Bilt, Craftsman, and Yard Machines mower applications.

This clutch replaces MTD / Cub Cadet 917-05209 and 717-05209, and cross-references Warner 5219-177, Xtreme X0726, Xtreme X0736, Rotary 16173, Sunbelt B1XT0726, and Stens 255-668X.

Built with a 1-inch crankshaft bore, 6-inch pulley diameter, and counter-clockwise rotation, this clutch is designed to restore reliable mower deck engagement when matched to the correct mower model, original clutch number, connector style, and physical specs.

Key Features

• Aftermarket electric PTO clutch replacement for listed MTD-built mower applications
• Crankshaft Bore: 1"
• Pulley Diameter: 6"
• Belt Width: accepts 1/2" or 5/8" belt
• Rotation: CCW from pulley side
• Voltage: 12V DC
• Integrated brake assembly for controlled blade stopping
• Fully assembled and ready to install

Compatible Brands & Models

This PTO clutch fits select Cub Cadet, MTD, Troy-Bilt, Craftsman, and Yard Machines applications that use the 917-05209, 717-05209, or Warner 5219-177 clutch path. Fitment depends on original clutch number, crankshaft bore, pulley diameter, rotation, connector style, and anti-rotation alignment.

Cub Cadet XT1 / XT2 Applications

• Cub Cadet XT1-GT50
• Cub Cadet XT1-GT54 FAB
• Cub Cadet XT1-LT46 FAB
• Cub Cadet XT1-LT50
• Cub Cadet XT1-LT50 FAB
• Cub Cadet XT1-LT54
• Cub Cadet XT1-LT54 FAB
• Cub Cadet XT2-LX46
• Cub Cadet XT2-LX50
• Cub Cadet XT2-SLX50
• Cub Cadet XT2-LX54
• Cub Cadet XT2-GX54 FAB

Cub Cadet RZT / ZT Applications

• Cub Cadet RZT-L46
• Cub Cadet RZT-L50
• Cub Cadet RZT-L54
• Cub Cadet RZT-S46
• Cub Cadet RZT-S50
• Cub Cadet RZT-S54
• Cub Cadet ZT1-46
• Cub Cadet ZT1-50
• Cub Cadet ZT1-54
• Cub Cadet ZT2-50
• Cub Cadet ZT2-54

Troy-Bilt Applications

• Troy-Bilt Mustang XP 46
• Troy-Bilt Mustang XP 50
• Troy-Bilt Mustang XP 54
• Troy-Bilt Mustang Pivot 46
• Troy-Bilt Mustang Pivot S 54
• Troy-Bilt Super Bronco 50XP
• Troy-Bilt Super Bronco 54XP

Craftsman / Yard Machines Applications

• Craftsman Z6400
• Craftsman Z6600
• Craftsman ZS6700
• Craftsman T8200
• Craftsman T8400
• Craftsman T8600
• Craftsman G8300
• Yard Machines 46" zero-turn mower: verify original clutch number before ordering

Fitment note: If your original clutch is marked 917-05209, 717-05209, Warner 5219-177, Xtreme X0726, Xtreme X0736, Rotary 16173, Sunbelt B1XT0726, or Stens 255-668X, this is the correct replacement path. However, carefully match specs if relying on model information alone.

Replaces OEM Part Numbers

• MTD: 917-05209, 717-05209
• Cub Cadet: 917-05209, 717-05209
• Troy-Bilt: 917-05209, 717-05209
• Craftsman: 917-05209, 717-05209
• Yard Machines: 917-05209, 717-05209

Cross-Reference Aftermarket Numbers

• Warner: 5219-177, 5219177
• Xtreme: X0726, X0736
• Rotary: 16173
• Sunbelt: B1XT0726
• Stens: 255-668X, 255668X

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 6" pulley
• Pre-installed bearing assembly
• Encapsulated electromagnetic coil
• Integrated brake assembly
• Integral connector as shown in product photos

Why Buy From PTO Direct USA?

• Fast USA shipping
• fitment guarantee
• 1-year warranty
• Fitment-first product support
• Clear product images for easier clutch identification
• Trusted replacement supplier for homeowners, repair shops, and mower service professionals

FAQ

Does this PTO clutch replace 917-05209?

Yes, this clutch replaces 917-05209 on compatible MTD-built mower applications. Confirm the original clutch number, 1-inch bore, 6-inch pulley, counter-clockwise rotation, and integral connector before ordering.

Is 717-05209 the same fitment as 917-05209?

Yes. 717-05209 is the factory-installed number and 917-05209 is the service replacement number for the same clutch path.

Is Warner 5219-177 the same fitment as 917-05209?

Warner 5219-177 is the Warner reference associated with the 917-05209 / 717-05209 clutch path.

Is Xtreme X0726 the same fitment?

Xtreme X0726 is an aftermarket cross-reference for the 917-05209 / Warner 5219-177 PTO clutch family.

Is Xtreme X0736 the same fitment?

Xtreme X0736 is also commonly associated with the Warner 5219-177 clutch path. Match your original clutch number and physical specs before ordering.

Does this clutch fit Cub Cadet XT1 and XT2 mowers?

Yes, this clutch is listed for select Cub Cadet XT1 and XT2 Enduro Series mower applications using the 917-05209 clutch path. Verify the original clutch number before ordering.

Does this clutch fit Cub Cadet RZT and ZT mowers?

Yes, this clutch is listed for select Cub Cadet RZT-L, RZT-S, ZT1, and ZT2 mower applications. Confirm deck size, original clutch number, connector style, and specs before ordering.

Does this clutch fit Troy-Bilt Mustang XP mowers?

Yes, this clutch is listed for select Troy-Bilt Mustang XP, Mustang Pivot, and Super Bronco applications that use the 917-05209 / 717-05209 clutch path.

Is 917-05209 the same as 917-04552A?

No. 917-05209 and 917-04552A are separate clutch paths. Do not interchange them unless your original part number and physical specs confirm the same replacement.

Is 917-05209 the same as 917-05188 or 917-05192?

No. 917-05188 and 917-05192 are different MTD clutch paths with different Warner references and fitment details. Do not merge them with 917-05209.

What bore size does this clutch use?

This clutch uses a 1-inch bore. Confirm your crankshaft size before ordering.

What pulley diameter does this clutch use?

This clutch uses a 6-inch pulley diameter. Confirm against your original clutch and product photos before ordering.

What rotation does this clutch use?

This clutch uses counter-clockwise rotation, commonly written as CCW. Match rotation to your original clutch before installing a replacement.

What connector style does this clutch use?

This clutch uses an integral connector built into the clutch housing. It does not use a long wire pigtail. Compare your old clutch connector before ordering.

What are common signs of a failing PTO clutch?

Common symptoms include mower blades not engaging, the PTO clutch clicking but the blades not spinning, slipping under load, intermittent blade engagement, a blown PTO fuse, a burning smell, or blades slowing down after the mower heats up. A worn coil can work cold, then weaken after 10 to 30 minutes of mowing.

Can PTO Direct USA help me confirm fitment?

Yes. Email support@ptodirectusa.com with your mower model number, serial number, deck size, original clutch number, and clear photos of the old clutch. For the best fitment help, include photos of the clutch label or stamped number, wiring connector, pulley, anti-rotation bracket, and crankshaft area.

Need help comparing Warner numbers? Read the Warner 5219 PTO clutch cross-reference guide.

Need installation help? Read the PTO clutch installation guide.

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