Exmark 116-8517 PTO Clutch for Vantage | Xtreme X0553
Overview
This page covers the Xtreme X0553 electric PTO clutch replacement for select Exmark Vantage and Vantage X stand-on mower applications using OEM part number 116-8517 or Warner number 5218-323.
The linked product is a premium aftermarket Xtreme PTO clutch sold on eBay. It is not presented as a genuine Exmark or Warner OEM clutch.
Exmark Vantage model names can include more than one PTO clutch path. Match the original clutch number or confirm 116-8517 through the mower’s complete model and serial information before ordering.
Premium Xtreme Clutch Features
- Heavy-duty FatBoy Series design
- Billet-machined pulley
- Replaceable pulley bearing
- High-performance bearing system
- Cool Coil technology
- Stainless-steel straps and braking rivets
- Integrated water-resistant wire-harness protection
- Electric PTO clutch with brake
Specifications
- Xtreme Part Number: X0553
- Crankshaft Bore: 1-1/8 inch
- Pulley Diameter: 7.22 inches
- Rotation: Counterclockwise
- Belt Type: A/B belt
- Xtreme Torque Rating: 205 ft-lbs
- Clutch Type: Electric PTO clutch with brake
Replaces Part Numbers
- Exmark 116-8517
- Exmark 1168517
- Warner 5218-323
- Warner 5218323
- Rotary 15171
- Xtreme X0553
Compatible Mower Paths
| Brand | Mower Series | Required Clutch Path |
|---|---|---|
| Exmark | Select Vantage Series applications | 116-8517 / 5218-323 / X0553 |
| Exmark | Select Vantage X Series applications | 116-8517 / 5218-323 / X0553 |
Seller fitment references include select Vantage S and Vantage X configurations such as VTS691, VTS730, VTS740, VTX651, VTX730, and VTX740. Confirm the complete mower model and OEM clutch number because this replacement does not fit every mower within those families.
Important Fitment Check
- Match OEM part number 116-8517 or Warner 5218-323
- Confirm the 1-1/8-inch crankshaft bore
- Confirm the approximately 7.22-inch pulley diameter
- Confirm counterclockwise rotation
- Confirm the A/B belt pulley profile
- Compare the wire lead and electrical connector with the original
- Compare the anti-rotation setup and overall clutch height
- Do not install or test-mount the clutch until fitment is confirmed
Common Symptoms of a Failing PTO Clutch
- Mower blades will not engage
- Clutch clicks but does not turn the deck belt
- Blades engage when cold but stop after warming up
- Clutch slips under mowing load
- Grinding, rattling, or bearing noise near the clutch
- Damaged wiring or intermittent electrical connection
- Burning smell or excessive heat around the clutch
FAQ
What PTO clutch replaces Exmark 116-8517?
The Xtreme X0553 is a premium aftermarket electric PTO clutch replacement for Exmark OEM part number 116-8517.
What Warner clutch cross-references Exmark 116-8517?
The Exmark 116-8517 clutch path cross-references Warner 5218-323.
Does Xtreme X0553 fit Exmark Vantage mowers?
Xtreme lists X0553 for select Exmark Vantage and Vantage X applications using OEM clutch number 116-8517. It does not necessarily fit every Vantage model or production configuration.
What size bore does Xtreme X0553 use?
The Xtreme X0553 uses a 1-1/8-inch crankshaft bore.
What size pulley does Xtreme X0553 use?
The Xtreme X0553 is specified with an approximately 7.22-inch pulley.
Which direction does Xtreme X0553 rotate?
Xtreme specifies the X0553 PTO clutch with counterclockwise rotation.
What is the Xtreme torque rating?
Xtreme lists the X0553 with a 205 ft-lb torque rating.
Does this clutch fit every Exmark Vantage mower?
No. Confirm the mower’s complete model and serial information and verify that its parts path calls for Exmark 116-8517 before ordering.
Need Help Confirming Fitment?
Use the PTO Clutch Fitment Help page before ordering. It explains which part numbers, mower details, measurements, and photos are needed to confirm the correct clutch path.