787366 PTO Clutch for Hustler Super Z & Hustler Z | Warner 5218-219
787366 PTO Clutch for Hustler Super Z & Hustler Z | Warner 5218-219
Overview
This aftermarket 787366 electric PTO clutch is a replacement for select Hustler Super Z, Hustler Z, Mini Z, Super Mini Z, TrimStar, and related Big Dog mower applications using the 787366, 787366K, Warner 5218-110, or Warner 5218-219 clutch path.
Warner identifies 5218-219 as the current replacement for the earlier 5218-110 clutch and includes 787366 in the manufacturer part-number route. This replacement uses a 1-1/8-inch crankshaft bore, approximately 6.31-inch pulley, CW rotation from the pulley side, reverse-mount configuration, and an integral 12 VDC electrical connection.
This is a part-number-first replacement. Hustler model-family names cover multiple engines, deck sizes, serial ranges, wiring arrangements, and PTO clutch paths. Confirm that the original clutch or model-specific Hustler parts manual identifies 787366 before ordering.
Key Features
- Aftermarket electric PTO clutch assembly
- Primary Hustler Part Number: 787366
- Hustler Clutch-Kit Path: 787366K
- Earlier Warner Number: 5218-110, 5218110
- Current Warner Replacement: 5218-219, 5218219
- OEM Warner Rated Torque: 200 ft-lbs
- Voltage: 12 VDC
- Crankshaft Bore: 1-1/8 inch / 1.125 inch
- Pulley Diameter: approximately 6.31 inch / 6-5/16 inch
- Rotation: CW from pulley side
- Mounting Style: reverse mount
- Connection Type: integral electrical connection
- Belt Groove: A/B combination replacement path
- Clutch Type: electric PTO clutch with integrated brake
- Complete assembled replacement clutch
Torque warning: The 200 ft-lb figure is the Warner clutch’s rated torque capacity. It is not the crankshaft mounting-bolt torque. Use the mower or engine service manual for the correct installation-bolt specification.
Compatible Brands & Model Series
This PTO clutch is intended for select Hustler, Big Dog, and Excel Industries mower configurations using the confirmed 787366 clutch path.
Hustler Applications
- Hustler Super Z: select legacy applications using 787366 or 787366K
- Hustler Super Z XR-7: select applications using the confirmed 787366 clutch path
- Hustler Z: select legacy commercial mower applications using 787366
- Hustler Z XR-7: select applications using the confirmed 787366 clutch path
- Hustler Mini Z: select older configurations using 787366
- Hustler Super Mini Z: select older configurations using 787366 and the corresponding mower-side harness arrangement
- Hustler TrimStar 48: select model 927129 configurations with the applicable Kawasaki engine and 787366 clutch path
- Hustler TrimStar 54: select model 927137 configurations with the applicable Kawasaki engine and 787366 clutch path
- Hustler ATZ, Z4 and X-ONE: select applications only when the original clutch or model-specific parts manual identifies 787366
Big Dog and Excel Industries Applications
- Big Dog Mowers: select Excel-built mower applications using 787366 or 787366K
- Excel Industries Platforms: only when the original clutch or model-specific parts diagram identifies the 787366 path
Model-family warning: Super Z, Hustler Z, Mini Z, Super Mini Z, TrimStar, X-ONE, and other Hustler family names cover multiple clutch configurations. Do not order from the mower-family name, engine horsepower, or deck size alone.
Replaces OEM Part Numbers
- Hustler: 787366, 787366K
- Big Dog: 787366, 787366K
- Excel Industries: 787366, 787366K
Kit-number note: The 787366K number represents the related Hustler and Excel clutch-kit path. Do not assume that every wiring lead, diode harness, mounting bolt, washer, crankshaft key, spacer, anchor bracket, or anti-rotation component supplied in an OEM kit is included with an aftermarket clutch assembly.
Aftermarket Cross-Reference Numbers
- Earlier Warner Number: 5218-110, 5218110
- Current Warner Replacement: 5218-219, 5218219
- Xtreme: X0246
- Stens: 255-553
- Rotary / Raw Power: 19-246
Warner replacement note: Warner identifies 5218-219 as the replacement for the earlier 5218-110 clutch and directly includes Hustler 787366 in the 5218-219 manufacturer-number route.
Common Symptoms of a Failing PTO Clutch
- Blades will not engage when the PTO switch is activated
- The clutch clicks but the deck belt does not begin turning
- Blades engage when cold but stop after the mower heats up
- The clutch slips during heavy or wet cutting conditions
- The deck belt squeals, smokes, or overheats during engagement
- Burning smell near the engine crankshaft or PTO clutch
- Grinding, rumbling, or excessive pulley-bearing noise
- Intermittent blade engagement under load
- Visible heat damage around the coil housing, pigtail, or connector
- Blown PTO fuse or damaged diode-harness wiring
- Excessive looseness or roughness at the pulley bearing
What’s Included
- 1 complete aftermarket electric PTO clutch assembly
- Integrated approximately 6.31-inch pulley
- Integrated electromagnetic coil and brake assembly
- Bushing, Washer, and Integral clutch-side electrical connection or lead as pictured
Included-item warning: Do not assume the mower-side diode harness, crankshaft bolt, key, clutch anchor, anti-rotation bracket, or other OEM kit hardware is included unless it is clearly shown in the product photos.
Why Buy From PTO Direct USA?
- Part-number-first PTO clutch listings
- Separate buyer paths for commonly searched Hustler and Warner numbers
- Clear aftermarket cross-reference and OEM-supersession distinctions
- Fitment-focused product descriptions
- Fast USA shipping
- 1-year warranty
- Support for mower owners, repair shops, and commercial operators
Need Help Confirming Fitment?
Send PTO Direct USA the complete Hustler or Big Dog mower model, serial number, deck size, engine model, and original PTO clutch number before ordering.
For the best fitment help, include clear photos of the mower identification tag, original clutch label or stamped number, pulley, electrical connector, diode harness, clutch anchor, anti-rotation setup, and engine crankshaft area.
FAQ
What PTO clutch replaces Hustler 787366?
This aftermarket electric PTO clutch replaces Hustler 787366 on compatible mower applications. Warner identifies 5218-219 as the current Warner route associated with 787366.
Does this replace Hustler 787366K?
Yes. This clutch covers the 787366K clutch-kit path. Supporting wiring, mounting hardware, spacers, washers, and anti-rotation components supplied in an OEM kit may not be included with the aftermarket clutch assembly.
What Warner number crosses to Hustler 787366?
The current Warner clutch path is 5218-219. Warner identifies 5218-219 as the replacement for the earlier 5218-110 clutch.
Is Warner 5218-213 the correct primary cross-reference for Hustler 787366?
No. Warner’s current catalog directly associates Hustler 787366 with 5218-219. Some aftermarket catalogs group 787366 with the physically similar 5218-213 path, but customers should use the Hustler-specific 787366 / 5218-219 route and verify the supplied wiring and mounting components.
Is Hustler 787366 the same as Hustler 601311?
Warner lists these as separate part-number paths. Hustler 787366 is associated with Warner 5218-219, while Hustler 601311 is associated with Warner 5218-222. Some aftermarket suppliers may sell one physical replacement unit for both paths, but that does not establish an official Hustler or Warner supersession.
What are the main specifications for the 787366 clutch path?
This replacement uses a 1-1/8-inch crankshaft bore, approximately 6.31-inch pulley, CW rotation from the pulley side, reverse mounting, an integral 12 VDC electrical connection, and a 200 ft-lb Warner rated-torque class.
Is 200 ft-lbs the mounting-bolt torque?
No. The 200 ft-lb figure is the clutch’s rated torque capacity. It is not the crankshaft mounting-bolt specification. Follow the mower or engine service manual for the correct mounting-bolt torque.
Does this fit a Hustler Super Z?
It fits select Hustler Super Z and Super Z XR-7 applications using 787366 or 787366K. Other Super Z models and serial ranges use different PTO clutches, so confirm the complete mower model, serial number, and model-specific parts manual.
Does this fit a Hustler Z?
It fits select legacy Hustler Z and Hustler Z XR-7 applications using the confirmed 787366 clutch path. Do not rely on the mower-family name or deck size alone.
Does this fit a Hustler Mini Z or Super Mini Z?
It fits select older Mini Z and Super Mini Z configurations using 787366. These mower families also include other clutch routes, so confirm the complete model number, serial number, original clutch number, and separate diode-harness arrangement.
Does this fit a Hustler TrimStar?
It fits select TrimStar 48 model 927129 and TrimStar 54 model 927137 configurations using the 787366 clutch path. Confirm the engine package and model-specific parts diagram before ordering.
Can I order this clutch using only Warner 5218?
No. Warner 5218 is a clutch family containing many different configurations. Match the complete number 5218-110 or 5218-219.
Can I order this clutch by appearance or pulley diameter?
No. Several PTO clutches use a 1-1/8-inch bore and approximately 6.31-inch pulley. Match the original part number first, then verify rotation, mounting orientation, connector, diode harness, pulley offset, belt groove, and anti-rotation setup.
Is the diode harness included?
Do not assume a mower-side diode harness is included. Certain Hustler applications use a separate harness, including the 791251 path shown in some legacy parts diagrams. Confirm the included components in the product photos before ordering.
Is the mounting bolt included?
Do not assume the crankshaft bolt, washer, key, spacer, clutch anchor, anti-rotation bracket, or mower-side wiring harness is included. Reuse or replace the mower-specific hardware as required by the applicable service manual.