Multiquip 300061C Woodruff Key HHN-31, HTN-27/28

The Multiquip 300061C Woodruff Key HHN-31, HTN-27/28 is a genuine OEM component designed for HTN27K and HTN28K Whiteman ride-on mechanical power trowels. This OEM part is sourced directly through Multiquip's authorized parts program, ensuring an exact dimensional match to the original component installed at the factory. Verified fitment for HTN27K and HTN28K models means no guesswork when ordering a critical drivetrain hardware component.

Key Features

• Genuine OEM Dimensional Accuracy — Manufactured to the original specification for the HTN27K and HTN28K trowel drivetrain, ensuring the key seats correctly in both the shaft keyway and the mating hub without play or misalignment.
• Direct Shaft Fitment — The semi-circular Woodruff profile seats flush into the shaft slot, aligning the hub or sprocket to the shaft centerline exactly as designed for these mechanical trowel models.
• Confirmed Compatibility — Fits HTN27K and HTN28K Whiteman ride-on mechanical power trowels; use part number 300061C when ordering to confirm the correct key profile.
• Drivetrain Torque Transmission — A correctly fitted Woodruff key locks rotational components to the shaft so torque transfers cleanly to the trowel blades; a worn or sheared key causes slippage, erratic blade response, or complete loss of drive.
• Precision Hardware Grade — Cut to close tolerances so the key fills the keyway without rocking, protecting both the shaft and the hub bore from fretting wear over extended service cycles.

A Woodruff key is a small, curved shaft key that fits into a matching semi-circular slot milled into a rotating shaft, locking a gear, sprocket, or pulley hub in place so the two components turn together as a single unit. On a ride-on power trowel, this key is critical to transferring engine torque through the drivetrain to the finishing blades reliably and consistently. When a Woodruff key shears or wears, the driven component can slip or spin freely on the shaft, resulting in loss of blade control and potential damage to the shaft or hub bore if operation continues.

For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment parts team directly.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.