917-05123A PTO Clutch Replacement for Cub Cadet RZT-L54, LGT1054, GT1054 | Replaces Warner 5219-148
Overview
This aftermarket 917-05123A electric PTO clutch is a replacement PTO clutch for select Cub Cadet, MTD-built, and related 54-inch mower applications using the 917-05123 / 917-05123A clutch path.
This clutch replaces 717-05123, 717-05123A, and 917-05123. It also cross-references Warner 5219-148, Xtreme X0342, and Stens 255-857 / 255-857X.
Common confirmed model paths include select Cub Cadet RZT-L54 KH, LGT1054, and GT1054 54-inch applications. Use the model and part-number notes below to keep this clutch path separate from similar 917-05001, 917-04552A, and 917-05209 applications.
Key Features
- Aftermarket replacement electric PTO clutch assembly
- Primary Part Number: 917-05123A
- Replaces: 717-05123, 717-05123A, 917-05123
- Warner Cross-Reference: 5219-148
- Pulley Diameter: 6 inch
- Crankshaft Bore: 1 inch
- Rotation: CCW from pulley side
- Torque Rating: 125 ft-lbs
- Voltage: 12 VDC
- Clutch Type: electric PTO clutch with integrated brake
- Fully assembled and ready to install
Compatible Brands & Model Series
This PTO clutch fits select Cub Cadet and MTD-built 54-inch mower applications using the 917-05123A replacement clutch path.
Common confirmed model families include:
- Cub Cadet RZT-L54 KH: select 2013 54-inch zero-turn mower applications
- Cub Cadet LGT1054 / LGT 1054: select 2013–2014 54-inch lawn tractor applications
- Cub Cadet GT1054 / GT 1054: select 2013–2014 54-inch garden tractor applications
- MTD-built 54-inch platforms: select applications using the 717-05123 / 917-05123 / 917-05123A clutch path
Replaces OEM Part Numbers
- 717-05123
- 717-05123A
- 917-05123
- 917-05123A
Aftermarket Cross-Reference Numbers
- Warner: 5219-148
- Xtreme: X0342
- Stens: 255-857, 255-857X
Common Symptoms of a Failing PTO Clutch
- Blades will not engage when the PTO switch is pulled
- PTO clutch clicks but the deck belt does not spin
- Blades engage cold, then stop after mowing for 10 to 30 minutes
- Deck belt slips, squeals, or smokes during engagement
- Burning smell near the clutch or mower deck belt area
- Intermittent blade engagement under load
- Grinding, bearing noise, or visible heat damage at the clutch
What’s Included
- 1 complete aftermarket electric PTO clutch assembly
- Factory-balanced 6-inch pulley
- Integrated electromagnetic coil and brake assembly
- Wire connector lead
Related 54-Inch Deck Parts
If your mower is in the matching RZT-L54 KH deck path, these related parts may help complete the deck repair:
- 954-04329A Deck Belt
- 918-05137 / 618-05137 Spindle Assembly
- 742-0677 / 942-0677B Mower Blades
- 54-Inch Deck Rebuild Kit for Cub Cadet RZT-L54 KH, RZT-S54 & Mustang 54 XP
Why Buy From PTO Direct USA?
- Fast USA shipping
- Fitment-first product descriptions
- Clear part-number routing for PTO clutch replacement
- Related belts, blades, spindles, and deck kits available
- Helpful support for homeowners, repair shops, and mower owners
FAQ
What does the 917-05123A PTO clutch replace?
The 917-05123A PTO clutch replaces 717-05123, 717-05123A, and 917-05123 on compatible Cub Cadet and MTD-built mower applications.
Is 917-05123 the same replacement path as 917-05123A?
Yes. For this clutch family, 917-05123 supersedes to 917-05123A.
What Warner number crosses to 917-05123A?
The confirmed Warner cross-reference for this clutch path is Warner 5219-148.
What are the main specs for this PTO clutch?
This clutch uses a 1-inch crankshaft bore, 6-inch pulley diameter, CCW rotation from pulley side, and a 125 ft-lb torque rating.
Does this fit Cub Cadet RZT-L54 KH?
Yes, this clutch is used on select Cub Cadet RZT-L54 KH 54-inch zero-turn mower applications using the 917-05123 / 917-05123A clutch path.
Does this fit Cub Cadet LGT1054?
Yes, this clutch is used on select Cub Cadet LGT1054 / LGT 1054 54-inch lawn tractor applications using the 917-05123 / 917-05123A clutch path. Some earlier LGT1054 paths use a different clutch, so confirm the original clutch number or model-specific diagram.
Does this fit Cub Cadet GT1054?
Yes, this clutch is used on select Cub Cadet GT1054 / GT 1054 54-inch garden tractor applications using the 917-05123 / 917-05123A clutch path.
Is this the same clutch as 917-05001?
No. 917-05123A and 917-05001 are separate clutch paths. Do not merge these listings. Use the part number shown on your original clutch or model-specific parts diagram.
Is this the same clutch as 917-05209?
No. 917-05209 is a separate PTO clutch path used on different Cub Cadet applications. Use this page only for the 917-05123A clutch path.
Need help confirming fitment? Send PTO Direct USA your mower model number, deck size, and original PTO clutch number before ordering.
Need a different clutch? Browse the full electric PTO clutch catalog or shop Cub Cadet PTO clutches.