116-1620 PTO Clutch Replacement for Exmark Lazer Z, Quest SP & Toro Z Master | Replaces 116-1604, 109-9282

Overview

This 116-1620 PTO clutch replacement is an aftermarket electric PTO clutch for select Exmark Lazer Z, Exmark Quest SP, and Toro Z Master G3 commercial mower applications using the 116-1620 / 116-1604 / 109-9282 clutch path.

This clutch replaces Toro / Exmark 116-1620, 116-1604, and legacy 109-9282. It also cross-references Warner 5218-207, legacy Warner 5218-163, Stens 255-207, Xtreme X0239, and Rotary 15276 when matched to the same physical and electrical specification.

Built with a 1-1/8 inch crankshaft bore, 7.39-inch pulley diameter, CCW rotation, and a 200 lb-ft torque rating, this clutch is designed for heavy commercial deck engagement on supported Exmark and Toro applications.

Key Features

• Aftermarket electric PTO clutch replacement for select Exmark and Toro commercial zero-turn applications
• Crankshaft Bore: 1.125" / 1-1/8"
• Pulley Diameter: 7.39" / 7.4" class
• Rotation: CCW from pulley side
• Torque Rating: 200 lb-ft
• Voltage: 12V DC
• Current Draw: 6.53 amps
• Coil Resistance: 1.84 ohms
• Overall Height: approximately 3-1/4"
• Connector Style: integral molded hard-shell connector; compare with product images
• Belt Compatibility: 1/2" or 5/8" A/B combination V-belts on supported applications
• Encapsulated electromagnetic coil for reliable blade engagement
• Heavy-duty commercial clutch design for high-inertia mower decks
• Fully assembled and ready to install after fitment verification

Compatible Brands & Models

This PTO clutch fits select Exmark and Toro commercial mower applications using the 116-1620 / Warner 5218-207 specification. Fitment depends on original clutch number, mower model, serial range, crankshaft bore, pulley diameter, rotation, connector style, and anti-rotation setup.

Exmark Applications

• Exmark Lazer Z S-Series: serial 312,000 and higher
• Exmark Lazer Z E-Series: serial 312,000 and higher
• Exmark Lazer Z X-Series: serial 312,000 and higher
• Exmark Next Lazer Z Air Cooled: serial 790,000 and higher
• Exmark Next Lazer Z ASX: serial 850,000 and higher
• Exmark Quest SP: serial 850,000 and higher

Toro Applications

• Toro Z Master G3 Turbo Force 48": serial 290000001 to 312999999
• Toro Z Master G3 Turbo Force 52": serial 290000001 to 312999999
• Toro Z Master G3 Turbo Force 60": serial 290000001 to 312999999
• Toro Z Master G3 Turbo Force 72": serial 290000001 to 312999999

Exmark Quest warning: Not all Exmark Quest models use this clutch. Some Quest models use the separate 110-6766 clutch with a 1-inch bore and smaller pulley. This 116-1620 clutch uses a 1-1/8 inch bore and 7.39-inch pulley. Always verify your original clutch number and crankshaft bore before ordering.

Replaces OEM Part Numbers

• Toro / Exmark: 116-1620, 116-1604, 109-9282
• Warner: 5218-207, 5218-163

Cross-Reference Aftermarket Numbers

• Stens: 255-207
• Xtreme: X0239, X0239-K
• Rotary: 15276

Related Fitment Guide

Need more help confirming the 116-1620 replacement path? Read the Toro 116-1620 PTO Clutch Cross-Reference Guide for OEM replacement history, common Exmark and Toro applications, fitment differences, and replacement guidance.

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 7.39" pulley
• Pre-installed bearing assembly
• Encapsulated electromagnetic coil
• Integral molded connector style 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 Toro / Exmark 116-1620?

Yes. This clutch replaces 116-1620 on compatible Exmark Lazer Z, Exmark Quest SP, and Toro Z Master G3 applications using the 116-1620 / Warner 5218-207 clutch path.

Does this replace 116-1604 and 109-9282?

Yes. 109-9282 was superseded by 116-1604, which was superseded by 116-1620. These belong to the same exact Toro / Exmark replacement path.

Is Warner 5218-207 the correct cross-reference?

Yes. Warner 5218-207 is the confirmed Warner clutch path for this 116-1620 application. Legacy Warner 5218-163 is also part of this replacement chain.

Related Warner guide: Warner 5218-207 PTO Clutch Cross-Reference Guide

Is this the same as Exmark 110-6766?

No. Exmark 110-6766 is a separate clutch path with a 1-inch bore and smaller pulley. This 116-1620 clutch uses a 1-1/8 inch bore and 7.39-inch pulley.

Is this the same as Exmark 109-9275?

No. Exmark 109-9275 belongs to a separate clutch path and should not be merged with 116-1620.

Is this the same as 116-1947 or 116-4477?

No. 116-1947 and 116-4477 are separate Toro / Exmark clutch paths with a lower 175 lb-ft torque specification. This 116-1620 path is a 200 lb-ft clutch.

Does this replace Cub Cadet 917-04967 or MTD 717-04967?

Some catalogs may group Cub Cadet / MTD 917-04967 and 717-04967 near this clutch path because the broad specs are similar, but Cub Cadet and MTD applications are handled on a separate fitment page so buyers can verify the correct D-drive, cable, connector, and mounting setup. If you are shopping by Cub Cadet or MTD number, use the 917-04967 PTO clutch replacement page.

Does this replace Ferris 5100875?

Ferris 5100875 is handled as a separate Ferris / Snapper Pro / Simplicity fitment path because pulley geometry, connector style, and mower application can differ. See the 5100875 PTO clutch replacement page for Ferris IS2000Z, IS3100Z, Snapper Pro, and Simplicity applications.

Why does PTO Direct USA keep similar cross-references on separate pages?

Some aftermarket catalogs group similar PTO clutches together because they share broad specs like bore size, pulley class, and rotation. PTO Direct USA keeps major brand paths separate so buyers can confirm the correct original part number, pulley diameter, connector style, harness routing, mounting setup, and product photos before ordering.

What bore size does this clutch use?

This clutch uses a 1-1/8 inch crankshaft bore. Confirm your crankshaft size before ordering.

What pulley diameter does this clutch use?

This clutch uses a 7.39-inch pulley diameter, commonly treated as a 7.4-inch class pulley. Pulley size affects belt speed, deck torque, belt tension, and blade performance.

What rotation does this clutch use?

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

Can PTO Direct USA help me confirm Exmark or Toro 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. Include photos of the pulley, bore, wiring connector, and anti-rotation bracket area.

Need help checking crankshaft size? Read the PTO clutch bore size guide.

Need help with rotation? Read the PTO clutch rotation guide.

If your old clutch will not come off the crankshaft, read the PTO clutch stuck on crankshaft guide before prying or hammering.

Need a different fitment? Browse the Exmark PTO clutch collection, Toro PTO clutch collection, or the full electric PTO clutch catalog.