Multiquip 9179 Main Output HD 48 Shaft

The Multiquip 9179 Main Output HD 48 Shaft is a genuine OEM component designed for HTN-series ride-on power trowels and HDA-series walk-behind power trowels. As a direct Multiquip OEM part, 9179 is manufactured to the same standards as the original shaft installed at the factory, ensuring consistent fit and function across compatible machines. This shaft is confirmed for use on HTN Kohler, Onan, and Honda-powered ride-on trowel models as well as the HDA walk-behind heavy-duty series.

Key Features

• Genuine OEM Construction — Machined to the original dimensional tolerances required for a power trowel main output shaft, delivering the torque handling and rotational accuracy the drivetrain demands.
• Direct Drop-In Replacement — Engineered to seat and connect exactly as the original shaft did, with no reworking of mounts or adjacent drivetrain components.
• Broad Trowel Compatibility — Fits HTN-series ride-on power trowels (Kohler, Onan, and Honda engine variants) and HDA-series walk-behind heavy-duty trowels.
• Drivetrain Integrity Under Load — A worn or damaged main output shaft causes blade speed inconsistency, vibration, and accelerated wear on connected components; replacing with OEM part 9179 restores smooth, controlled blade rotation.
• Heavy-Duty Rating — The HD designation reflects an upgraded durability specification suited to the sustained high-torque demands of professional concrete finishing operations.

The main output shaft is the central rotating component that transfers engine power to the trowel blade assembly. It carries the full rotational load from the drive system and must maintain precise alignment to keep the blades operating at consistent speed and pitch. When this shaft wears, bends, or fails, operators will notice irregular blade rotation, increased vibration through the machine, and uneven concrete finishing results — all of which signal an immediate need for replacement.

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.