PTO Clutch 717-04183 717-04622 Fits for Craftsman Cub Cadet MTD RZT42(2006) RZT50 917-04622 917-04183 5219-99 917-04183

What It Is

This is an electric PTO (power take-off) clutch that engages and disengages the mower blades via a 12V electrical signal. It’s designed for zero-turn and lawn tractors, primarily Craftsman, Cub Cadet, and MTD models with 42-50 inch decks.

Fitment & Compatibility

Check your OEM part number – this clutch replaces 717-04183, 717-04622, 917-04183, 917-04622, and 5219-99. It fits specific models including the Cub Cadet RZT42 (2006) and RZT50.
Measure before buying – verify the shaft diameter (typically 1-inch), bolt pattern, and overall clutch thickness. Even if the part number matches, slight variations exist between aftermarket batches.
Deck size matters – this clutch is rated for 42-50 inch decks. Using it on a larger deck may cause premature wear or slip under load.
OEM vs aftermarket – this is an aftermarket replacement, not genuine Cub Cadet. It should bolt on, but wiring colors may differ slightly (usually black/ground, red/hot).

Key Things to Know

• Installation difficulty – moderate. You’ll need basic tools (socket set, multimeter) and likely a puller to remove the old clutch. Expect 1-2 hours.
• Air gap adjustment – after mounting, set the air gap between rotor and armature to 0.010-0.015 inches using a feeler gauge. Too tight = drag; too loose = no engagement.
• Common gotchas – the wiring connector may not match your harness. You may need to splice or use a universal plug. Also, check the pulley bearing for play before installing – some aftermarket units arrive with loose bearings.
• Reviews note inconsistency – the 3.6 rating reflects occasional units failing within a season. Buy from a seller with a return policy.

Should You Buy It

If you need a budget-friendly replacement for a 42-50 inch Craftsman, Cub Cadet, or MTD zero-turn and are comfortable with basic wiring and air gap adjustment, this clutch can work. But if you want guaranteed longevity or have a larger deck, spend more on an OEM or higher-rated aftermarket unit.