605827K / 127340 PTO Clutch Replacement for Hustler Raptor 52" 934794 & BigDog Alpha 42" 933416 | Warner 5219-193

Overview

This 605827K PTO clutch replacement is an aftermarket electric PTO clutch for select Hustler, Big Dog, and Excel zero-turn mower applications on the 605827K / 605827 / Warner 5219-193 path (also commonly ordered under service kit 127340).

Confirmed fits include the Hustler Raptor 52-inch model 934794 and the BigDog Alpha 42-inch model 933416 (Kawasaki FR651 / 21.5 hp).

It replaces Hustler / Big Dog / Excel 605827K and 605827, plus Warner 5219-193 and 5219-194. Hustler 127340 is the updated service kit number frequently listed for this clutch path.

Specs: 1-1/8 inch crankshaft bore, 5.70-inch / 5-3/4 inch pulley, CCW rotation from the pulley side, 125 ft-lb class. Fully assembled with T-style plug on the wire lead and D-spacer bushing.

Key Features

• Direct replacement electric PTO clutch for the 605827K / Warner 5219-193 path
• Confirmed Fits: Hustler Raptor 52" model 934794; BigDog Alpha 42" model 933416 (Kawasaki FR651 21.5 hp)
• Replaces OEM: 605827K, 605827
• Service Kit Reference: 127340
• Warner Numbers: 5219-193, 5219193, 5219-194, 5219194
• Crankshaft Bore: 1-1/8 inch
• Pulley Diameter: 5.70 inches / 5-3/4 inches
• Rotation: CCW from pulley side
• Voltage: 12V
• Torque Class: 125 ft-lb replacement path
• Belt: commonly 1/2" or 5/8" V-belt
• Includes D-spacer bushing for crankshaft hold while torquing
• Ready to install after fitment verification

Compatible Brands & Model Series

Intended for select Hustler Raptor, Raptor Limited, Dash XD, and Big Dog Alpha applications on the 605827K / Warner 5219-193 clutch path.

Confirmed Fits

• Hustler Raptor 52-inch model 934794
• BigDog Alpha 42-inch model 933416 (Kawasaki FR651 / 21.5 hp)

Hustler Raptor Applications

Hustler Raptor Limited

• 934802, 934893, 936492, 936500, 937771, 937862, 938613, 938977

Hustler Dash XD

• 34-inch: 940742
• 42-inch: 940759
• 48-inch: 940767

Big Dog Alpha

• 36-inch: 939132
• 42-inch: 933416, 939140, 939140EX
• 52-inch: 936575, 939124, 939124EX

Important: Always match the OEM or Warner number on your original clutch when possible. If unavailable, verify by model, serial, engine, and physical specs, or contact PTO Direct USA support with photos of the clutch label, connector, pulley, and mower ID tag.

Replaces OEM Part Numbers

• Hustler / Big Dog / Excel: 605827K, 605827
• Service Kit Reference: 127340
• Warner: 5219-193, 5219193, 5219-194, 5219194

Service kit note: 127340 is the common updated service kit path for the earlier 605827K. The full OEM kit may include extra wiring or hardware. This listing is the complete clutch assembly as pictured (T-style plug + D-spacer bushing).

Aftermarket Cross-Reference Numbers

• Stens: 255-976
• Rotary: 17679
• Xtreme: X0921, X0921A

Before Ordering

Confirm the following before purchase:

• Original clutch number is 605827K, 605827, Warner 5219-193, or 5219-194 (or diagram lists 127340)
• Crankshaft bore is 1-1/8 inch
• Pulley is approximately 5.70 / 5-3/4 inches
• Rotation is CCW from the pulley side
• Torque class aligns with the 125 ft-lb path
• Belt width/profile, connector, and anti-rotation setup match
• Mower model, serial, deck size, and engine support this clutch

Do not install or test-mount until fitment is confirmed. Installation marks can affect returns.

Common Symptoms of a Failing PTO Clutch

• Blades will not engage
• Clutch clicks but deck does not spin
• Slips under load
• Engages cold then fails when hot
• Fuse blows on engagement
• Burning smell, grinding, rattling, or bearing noise
• Visible heat damage, wobble, or play

Also check the PTO switch, battery voltage, fuse, ground, connector, pigtail, deck belt routing, spindles, idlers, and belt condition before replacing the clutch.

Installation and Burnishing Note

New electric PTO clutches often need a proper burnishing procedure to seat the friction surfaces and develop full holding power. After installation, cycle the clutch on and off at moderate engine speed with no cutting load. Avoid full-throttle heavy grass engagement until properly seated.

See the PTO Clutch Installation Guide for removal tips, wiring checks, torque, and burnishing steps.

What’s Included

• Complete electric PTO clutch assembly
• Pre-installed 5.70-inch pulley
• Encapsulated electromagnetic coil
• Pre-installed bearings
• Wiring connector as shown (T-style plug)
• D-spacer bushing

Why Buy From PTO Direct USA?

• Fast USA shipping
• Fitment guarantee
• 1-year warranty
• Fitment-first descriptions and part-number routing
• Real support for homeowners, shops, and commercial owners

Need Help Confirming Fitment?

Send your mower model, serial number, original clutch number, and clear photos of the clutch label, wiring connector, pulley, anti-rotation setup, crankshaft area, and mower ID tag.

FAQ

Does this fit Hustler Raptor 52 model 934794?

Yes — confirmed fit when the original clutch number and physical specs match the 605827K / Warner 5219-193 path.

Does this fit BigDog Alpha 42" model 933416 (Kawasaki FR651 / 21.5 hp)?

Yes — confirmed fit for model 933416 on the 605827K path when bore, pulley, rotation, and connector match.

What is Hustler 127340?

127340 is the common updated service kit number related to the earlier 605827K clutch. Confirm whether you need the full kit or just the clutch assembly shown here.

What bore and pulley size does this use?

1-1/8 inch bore and approximately 5.70-inch / 5-3/4 inch pulley. Do not use on 1-inch bore applications or different pulley diameters unless the original number confirms it.

Does this fit every Hustler Raptor or BigDog Alpha?

No. Fitment varies by model, serial, engine, and original clutch number. Always match the OEM or Warner number when possible.

What should I check before replacing the clutch?

Original clutch number, bore, pulley diameter, rotation, connector, pigtail, anti-rotation setup, mounting hardware, deck belt, PTO switch, voltage, fuse, and ground.

Need a different fitment? Browse the full electric PTO clutch catalog.