59118600 PTO Clutch for Ariens Zenith Gravely Pro-Turn ZX
Overview
This 59118600 PTO clutch replacement is an aftermarket electric PTO clutch for select Ariens Zenith and Gravely Pro-Turn ZX zero-turn mowers.
It replaces the earlier Ariens and Gravely clutch number 05191600. This clutch path is commonly used on heavier-duty Zenith and Pro-Turn ZX applications requiring a 1-1/8-inch crankshaft bore and approximately 7.20-inch pulley.
Built with CCW rotation, a 125 ft-lb torque rating, high-temperature sealed bearings, and an encapsulated electromagnetic coil, this clutch is designed for reliable blade engagement in demanding commercial mowing applications.
Fitment varies by model, serial number, deck configuration, and engine package. Match the original clutch number to 59118600 or 05191600 before ordering.
Key Features
- Aftermarket electric PTO clutch replacement
- Primary Ariens / Gravely Number: 59118600
- Replaces: 05191600
- Pulley Diameter: Approximately 7.20 inches
- Crankshaft Bore: 1-1/8 inch / 1.125 inch
- Rotation: CCW from the pulley side
- Operating Speed: Up to 3600 RPM
- Torque Rating: 125 ft-lbs
- Encapsulated electromagnetic coil for reliable engagement
- High-temperature sealed bearings
- Designed for heavy-duty zero-turn mower applications
- Fully assembled and ready to install
Compatible Ariens & Gravely Model Series
This PTO clutch fits select Ariens and Gravely zero-turn mower configurations whose official parts diagram calls for 59118600 or 05191600.
- Ariens Zenith 52: Select side-discharge and rear-discharge configurations
- Ariens Zenith 60: Select side-discharge and rear-discharge configurations
- Gravely Pro-Turn ZX 48: Select configurations
- Gravely Pro-Turn ZX 52: Select configurations
- Gravely Pro-Turn ZX 60: Select configurations
Fitment warning: Do not order by the Zenith or Pro-Turn ZX series name alone. Production year, serial range, engine package, deck configuration, and previous repairs can change the required clutch. Confirm part number from original clutch or use model specific parts manual.
Replaces Ariens & Gravely Part Numbers
- Ariens: 59118600
- Ariens: 05191600
- Gravely: 59118600
- Gravely: 05191600
Ariens and Gravely identify 59118600 as the replacement for the earlier 05191600 clutch.
For the complete Zenith and Pro-Turn ZX fitment breakdown, see the 59118600 PTO clutch fitment guide.
Related Cross-Reference Numbers
- Warner: 5219-201, 5219201
Important Fitment Check
- Match the original clutch number to 59118600 or 05191600
- Confirm the mower’s complete model and serial number
- Verify the crankshaft bore is 1-1/8 inches
- Confirm the pulley diameter is approximately 7.20 inches
- Compare pulley offset and deck-belt alignment
- Compare the electrical connector and wire-lead orientation
- Confirm the anti-rotation bracket or clutch-anchor position
- Compare the original and replacement clutch before installation
- Do not install or test-mount the clutch until fitment is confirmed
What’s Included
- Complete electric PTO clutch assembly
- Factory-balanced 7.20-inch pulley
- Pre-installed high-temperature bearings
- Encapsulated electromagnetic coil
- Electrical connector as shown in the product photos
Mounting bolts, washers, crankshaft keys, spacers, wiring adapters, and other mower-specific hardware are not included unless shown or stated with the product.
FAQ
What PTO clutch replaces Ariens or Gravely 05191600?
59118600 is the current replacement for the earlier Ariens and Gravely 05191600 electric PTO clutch.
Does this fit the Ariens Zenith 52 or Zenith 60?
It fits select Zenith 52-inch and 60-inch configurations whose parts diagram calls for 59118600 or 05191600. Confirm the complete model and serial number before ordering.
Does this fit the Gravely Pro-Turn ZX?
It fits select Pro-Turn ZX 48, 52, and 60 models using the 59118600 / 05191600 clutch path. It does not fit every Pro-Turn mower.
What specifications should I confirm before ordering?
Confirm the 1-1/8-inch crankshaft bore, approximately 7.20-inch pulley, CCW rotation, pulley offset, electrical connector, anti-rotation bracket position, and original clutch number.
Can a bad deck belt mimic PTO clutch failure?
Yes. A loose, glazed, stretched, misrouted, or damaged deck belt can make the clutch appear to be slipping or failing. Inspect the belt, idlers, spindles, wiring, and pulley alignment before replacing the clutch.