116-1620 PTO Clutch Cross Reference and Replacement Guide

The 116-1620 PTO clutch is the primary replacement for a large cross-reference group used across Toro, Exmark, Ferris, Cub Cadet, and other commercial mower platforms.

This group includes multiple OEM and aftermarket part numbers that share the same clutch specification.

If your original PTO clutch matches any of the part numbers listed below, the correct replacement is the 116-1620 PTO clutch.

Related OEM Cross Reference Numbers

The following OEM part numbers belong to the same PTO clutch cross-reference group and use the same replacement:

Toro / Exmark:
116-1620, 116-1604, 109-9282, 116-1947, 116-4477, 109-9275, 116-4172, 130-1848, 94-2190

Cub Cadet / MTD / Craftsman / White / Huskee:
717-04967, 917-04967

Ferris / Massey Ferguson / McCulloch:
5100875, 5100875S, 5100875SM

Warner:
5218-54, 5218-158, 5218-207, 5218-218, 5218-23, 5218-248, 5218-334, 5218-107, 5218-140, 5218-210, 5218-253, 5218-288, 5218-300, 5218-357, 5218-323, 5218-173

Additional OEM Cross References:
C3440, 500012, E-6444, 523434, 71410024, K3811-10130, K3811-10132, X0224, X0239, X0242

Replacement: 116-1620 PTO clutch

Compatible Mower Applications

This clutch group is commonly used across commercial zero-turn mower platforms including:

  • Toro Z Master Series: 3000, 4000, 5000, 6000, G3 (48"–72" Turbo Force decks)
  • Exmark Lazer Z Series: E-Series, S-Series, X-Series (48"–72")
  • Exmark Pioneer Series: E-Series and S-Series models
  • Exmark Vertex Stand-On Series
  • Ferris IS Series: IS2000Z, IS3100Z
  • Cub Cadet Pro Z and Tank Series

Fitment can vary by engine configuration, deck size, and production year. Always confirm your OEM part number before ordering.

Common PTO Clutch Failure Symptoms

  • Blades will not engage when PTO switch is activated
  • Clutch slips under load
  • Burning smell from clutch area
  • Squealing or grinding noise
  • Blades stop in thick grass

If your mower shows these symptoms, replacing the PTO clutch restores proper blade engagement and cutting performance.

How to Confirm Fitment

The most reliable way to confirm compatibility is to match the OEM part number stamped on your original PTO clutch.

If your clutch matches any of the OEM numbers listed above, this clutch group applies and the correct replacement is the 116-1620 PTO clutch.

If the OEM number is unreadable, use your mower model and specifications to verify fitment, or contact us for fitment assistance.

Shop 116-1620 PTO Clutch Replacement

If your clutch matches any part number in this cross-reference group, the correct replacement is:

116-1620 PTO Clutch Replacement

You can also browse the full electric PTO clutch catalog for additional applications.