Multiquip 20279-001 Support Block Pin

The Multiquip 20279-001 Support Block Pin is a genuine OEM replacement designed for a wide range of Whiteman and Multiquip walk-behind power trowel models, including the BH11C, BH90C, BS90C, JH55C, JH90C, J36, B46, BA Series, JA Series, and HDA Series. As an authorized Multiquip OEM component, the part is manufactured to the exact dimensions required for a correct, trouble-free installation. This pin serves critical positioning and support functions within the trowel assembly, making accurate fitment essential for safe machine operation. DHS Equipment stocks genuine Multiquip parts so you can get the right component the first time.

Key Features

• Genuine OEM Dimensional Accuracy — Manufactured to the precise 3/8 x 1.59 specification required by the support block assembly, ensuring correct engagement without adjustment.
• Direct-Fit Installation — Drops into the original support block location on compatible trowel models with no reworking of the mounting hardware.
• Broad Trowel Compatibility — Fits an extensive range of walk-behind power trowels including BH11C, BH90C, BS90C, J36, B46, JA Series, BA Series, HDA Series, PRO36, PRO46, and more.
• Structural Integrity Under Load — A correctly fitted support block pin keeps the trowel assembly properly aligned during operation; a worn or missing pin can allow unwanted movement that affects blade pitch consistency and surface finish quality.
• Backed by Multiquip OEM Standards — Supplied as a genuine Multiquip part, held to the same material and dimensional standards as the original component installed at the factory.

The support block pin is a structural locating component within the walk-behind power trowel's blade pitch and support assembly. It holds the support block securely in position, allowing the operator to maintain consistent blade angle and downward pressure across the finishing pass. When this pin wears, bends, or goes missing, the support block can shift unpredictably, leading to uneven blade pitch, inconsistent concrete surface finishing, and accelerated wear on surrounding hardware. Replacing a damaged pin promptly restores the mechanical integrity of the assembly and keeps the trowel performing as intended.

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.