388750 High-Torque PTO Clutch for Grasshopper & Woods | Replaces Warner 5219-23, 521923
388750 High-Torque PTO Clutch for Grasshopper & Woods | Replaces Warner 5219-23, 521923
Overview
This aftermarket 388750 electric PTO clutch is a high-torque replacement for select Grasshopper, Woods, Dixon, Husqvarna, AYP-built, and related commercial mower applications using the 388750, 105804, 539105804, or Warner 5219-23 clutch path.
Common applications include select Grasshopper MidMount mowers, including Model 120, 120K, 124, 125, 126, 127, 225V-G4, 226V-G4, 227V-G4, and related configurations. The same physical clutch path also appears under Woods 388750 and select Husqvarna, Dixon, AYP, and Yazoo/Kees part numbers.
This upgraded replacement features a 130 ft-lb torque rating, larger pulley bearing, solid-steel billet pulley, replaceable pulley-bearing design, and heat-dissipating coil construction. The original Warner 5219-23 clutch path is rated at 125 ft-lbs.
Important fitment warning: Mowers within the same model family may use different PTO clutches based on engine package, deck configuration, production date, connector style, pulley offset, and anti-rotation setup. Match the complete original clutch number before ordering.
Key Features
- Aftermarket high-torque electric PTO clutch assembly
- Primary Replacement Number: Grasshopper / Woods 388750
- Warner Cross-Reference: 5219-23, 521923
- Additional OEM Paths: 105804, 539105804
- Replacement Torque Rating: 130 ft-lbs
- Original Warner Torque Rating: 125 ft-lbs
- Voltage: 12 VDC
- Crankshaft Bore: 1 inch
- Pulley Diameter: approximately 6.31 inch
- Rotation: CCW from pulley side
- Connection Type: integral electrical connection
- Belt Groove: A/B combination replacement path
- Clutch Type: electric PTO clutch with integrated brake
- Larger pulley bearing designed for extended service life
- Solid-steel billet pulley construction
- Replaceable pulley bearing retained by a snap ring
- Heat-dissipating electromagnetic coil construction
- Complete clutch assembly ready for installation
Compatible Brands & Model Series
This clutch should be treated as a part-number-first replacement. Match the original clutch number or serial-specific mower parts diagram before relying on the mower model alone.
Grasshopper MidMount Applications
Grasshopper 388750 is associated with select configurations in the following model families:
- Grasshopper 120
- Grasshopper 120K
- Grasshopper 124/41
- Grasshopper 124/41-48
- Grasshopper 124/48 Deep Deck
- Grasshopper 124/52
- Grasshopper 125
- Grasshopper 125VB/41
- Grasshopper 125VB/48
- Grasshopper 126 Deep Deck
- Grasshopper 127
- Grasshopper 225V-G4
- Grasshopper 226V-G4
- Grasshopper 227V-G4
- Grasshopper 524V / 526V
- Grasshopper 525V
Grasshopper fitment warning: These model families span multiple deck sizes, engine packages, and production revisions. Confirm that the original clutch or Grasshopper parts lookup specifically identifies 388750.
Woods Applications
- Select Woods commercial mower applications using Woods 388750
- Select Wood Brothers mower applications using 388750 or Warner 5219-23
A verified Woods part-number match is more reliable than deck size, engine horsepower, or visual similarity.
Husqvarna, Dixon & AYP-Built Applications
- Husqvarna WHF5218ETS: model 968999130 using clutch 539105804
- Dixon: select applications using 105804, 105854, 539105804, 539118768, or 12035
- Husqvarna: select commercial mower applications using 105804 or 539105804
- AYP / Roper / Sears Craftsman: select applications using 105804 or 539105804
- Yazoo/Kees: select applications using 105804 or 539105804
- Electrolux: select applications using 105804 or 539105804
- Massey Ferguson: select applications using 105804 or 539105804
- McCulloch and Poulan: select applications using 105804 or 539105804
Compatibility warning: These brands used several different PTO clutch configurations. Confirm the original clutch number, pulley dimensions, connector, and anti-rotation setup before ordering.
Replaces OEM Part Numbers
- Grasshopper: 388750
- Woods: 388750
- Wood Brothers: 388750
- AYP: 105804, 539105804
- Dixon: 105804, 105854, 539105804, 539118768, 12035
- Electrolux: 105804, 539105804
- Husqvarna: 105804, 539105804
- Massey Ferguson: 105804, 539105804
- McCulloch: 105804, 539105804
- Poulan: 105804, 539105804
- Roper: 105804, 539105804
- Sears / Craftsman: 105804, 539105804
- Yazoo/Kees: 105804, 539105804
- Bad Boy: 070-2050-00
Part-number warning: Confirm secondary OEM numbers against the original clutch and mower-specific parts diagram. Do not assume compatibility from the brand name alone.
Aftermarket Cross-Reference Numbers
- Warner Electric: 5219-23, 521923
- Xtreme: X0348
- Xtreme Kit Path: X0348-K
- Prime Line: 7-06210
Clutch Specifications
- Product Type: electric PTO clutch with integrated brake
- Voltage: 12 VDC
- Replacement Torque Rating: 130 ft-lbs
- Original Warner Rating: 125 ft-lbs
- Crankshaft Bore: 1 inch
- Pulley Diameter: approximately 6.31 inch
- Rotation: CCW from pulley side
- Connection: integral
- Belt Groove: A/B combination path
- Mounting Type: standard
- Warner D-Drive Reference: 807-0144
The Warner information above is provided as a physical reference for the 5219-23 replacement path. Compare the replacement clutch with the original clutch before installation.
Common Symptoms of a Failing PTO Clutch
- Blades will not engage when the PTO switch is activated
- Clutch clicks but the deck belt does not begin turning
- Blades engage when cold but stop after the mower heats up
- Clutch slips during heavy or wet cutting conditions
- Deck belt squeals, smokes, or overheats during engagement
- Burning smell near the engine crankshaft or clutch
- Grinding, rumbling, or excessive pulley-bearing noise
- Intermittent blade engagement under load
- Visible heat damage around the clutch coil or connector
- Excessive looseness or roughness at the pulley bearing
A weak battery, low charging voltage, faulty PTO switch, damaged wiring, poor ground, slipping belt, seized spindle, worn idler, or incorrect belt tension can create similar symptoms. Diagnose the complete PTO and deck-drive systems before replacing the clutch.
What’s Included
- 1 complete aftermarket electric PTO clutch assembly
- High-torque electromagnetic coil and integrated brake assembly
- Solid-steel billet pulley
- Larger replaceable pulley bearing
- Integral electrical connection
Quick Ship Fulfillment
This item may ship directly from one of our trusted distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the product will match the replacement numbers, specifications, and package quantity shown in this listing.
Tracking information will be provided when the order ships. Separate items in the same order may arrive in different packages.
Why Buy From PTO Direct USA?
- Part-number-first PTO clutch listings
- Clear physical specifications and cross-reference information
- Practical fitment warnings designed to reduce incorrect orders
- Commercial and residential mower clutch coverage
- Support for mower owners, repair shops, and commercial operators
- Quick-ship fulfillment through trusted distribution partners
Need Help Confirming Fitment?
Send PTO Direct USA the mower brand, complete model number, serial number, deck size, engine model, original clutch number, and clear photos of the clutch label, pulley, connector, belt groove, D-drive, and anti-rotation bracket.
For Grasshopper applications, include the complete MidMount model and deck configuration. For Woods, Dixon, Husqvarna, or AYP-built applications, include the exact OEM clutch number from the mower’s parts diagram.
FAQ
What does this PTO clutch replace?
This clutch replaces Grasshopper and Woods 388750, Warner 5219-23, and select applications using 105804 or 539105804.
What are the main clutch specifications?
This replacement uses a 1-inch crankshaft bore, approximately 6.31-inch pulley, CCW rotation from pulley side, integral electrical connection, and a 130 ft-lb torque rating.
Does this fit Grasshopper Model 120?
Yes, Grasshopper 388750 is associated with select Model 120 applications. Confirm the original clutch number, pulley, wiring, and anti-rotation setup before ordering.
Does this fit Grasshopper 120K?
Grasshopper 388750 is associated with select 120K configurations. Verify the original clutch label and complete mower configuration.
Does this fit Grasshopper Model 124?
Yes, 388750 is associated with several Model 124 configurations, including 124/41, 124/41-48, 124/48 Deep Deck, and 124/52 paths. Confirm the exact deck and production configuration.
Does this fit Grasshopper 125 or 125VB?
Select 125, 125VB/41, and 125VB/48 configurations use the 388750 clutch path. Match the original clutch number before ordering.
Does this fit Grasshopper 225V-G4, 226V-G4, or 227V-G4?
These models are associated with Grasshopper 388750. Confirm the complete model and serial-specific parts lookup because production revisions may apply.
Does this fit Grasshopper 524V, 525V, or 526V?
Grasshopper 388750 is associated with select 524V, 525V, and 526V mower paths. Verify the original clutch number and deck configuration.
Does this fit every Woods mower?
No. Use this clutch only when the Woods parts diagram or original clutch identifies 388750 or Warner 5219-23.
Does this fit Husqvarna WHF5218ETS?
Husqvarna parts documentation lists 539105804 on WHF5218ETS model 968999130. Confirm the complete mower product number and original clutch before ordering.
Does this fit Dixon mowers?
It fits select Dixon applications using 105804, 105854, 539105804, 539118768, or 12035. Dixon used several different clutch paths, so confirm the original number.
Is Xtreme X0348 the same replacement path?
Yes. Xtreme X0348 is an aftermarket replacement path associated with 388750, 105804, 539105804, and Warner 5219-23.
Is Warner 5219-23 the same as Warner 5219-24?
No. Treat 5219-23 and 5219-24 as separate clutch configurations. Do not substitute them based on appearance or pulley dimensions.
Is Warner 5219-23 the same as Warner 5219-126?
No. Warner 5219-126 is a separate PTO clutch path used on different mower applications. Match the complete Warner number.
Is the D-drive included?
Do not assume the D-drive is included. The original Warner 5219-23 configuration references D-drive 807-0144, but package contents can vary. Reuse or replace the mower-specific component as required.
Can I order this clutch by appearance?
No. Match 388750, 105804, 539105804, or Warner 5219-23 first, then confirm bore size, pulley diameter, rotation, connector, belt groove, pulley offset, D-drive, anti-rotation setup, mower model, and serial number.