Multiquip 1489 Spider Plate Assembly 16 1/2" Arm

The Multiquip 1489 Spider Plate Assembly 16 1/2" Arm is a genuine OEM component designed for B Series walk-behind power trowels. This is a direct OEM replacement sourced through Multiquip's authorized parts program, ensuring the assembly matches the original design specifications of the B-3 model configuration. Verified fitment for B Series China international walk-behind power trowels makes this the correct choice when restoring blade pitch control to factory-matching performance.

Key Features

• Genuine OEM Construction — Manufactured to the same material grade and geometry as the original spider plate, ensuring consistent blade arm engagement across all pitch positions.
• 16 1/2" Arm Dimension — Matches the specific arm length required for the B-3 model configuration, connecting directly to the existing blade arm mounts without modification.
• B Series Trowel Fitment — Confirmed for B Series China international walk-behind power trowels; always verify your model and configuration before ordering.
• Blade Pitch Integrity — A correctly functioning spider plate assembly maintains uniform blade angle across all arms, delivering consistent surface finishing passes and even concrete consolidation.
• Complete Assembly — Supplied as a full spider plate assembly, simplifying the service process by replacing the entire unit rather than individual worn components.

The spider plate assembly is the central hub component in a walk-behind power trowel's pitch control system. It connects the gearbox output to each individual blade arm, transmitting the mechanical input that adjusts blade angle during operation. When the spider plate assembly wears, cracks, or becomes damaged, blade pitch becomes uneven or unresponsive — resulting in poor surface finish quality and increased operator effort. Replacing the assembly with a correct OEM unit like the Multiquip 1489 restores full pitch control and consistent blade performance across the trowel's working diameter.

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.