Multiquip 22578-001 Spider STX Service Kit Tapered Spider Eaton

The Multiquip 22578-001 Spider STX Service Kit Tapered Spider Eaton is a genuine OEM service kit designed for the STX55J6 and STX55Y6 super-sized hydrostatic ride-on power trowels. This kit supplies the tapered spider components sourced through Eaton, delivering the exact geometry and material specification required by the STX55 platform's blade pitch system. Confirmed fitment for both the STX55J6 and STX55Y6 means you can order with confidence and get the machine back to work without compatibility guesswork.

Key Features

• Genuine OEM Eaton-Sourced Components — Tapered spider components are manufactured to the precise taper angle and surface finish required by the STX55 hydraulic blade pitch system, ensuring correct load transfer and minimal wear on mating surfaces.
• Complete Service Kit Format — Supplied as a full service kit so all wear-related spider components are replaced in one service event, eliminating the need to source individual pieces separately.
• Direct-Fit for STX55 Hydrostatic Trowels — Engineered specifically for the STX55J6 and STX55Y6 super-sized hydrostatic ride-on trowels, with no rework or adaptation needed during installation.
• Maintains Blade Pitch Accuracy — A correctly functioning spider assembly allows the blade pitch mechanism to respond accurately to operator input, keeping finish quality consistent across the full working pass.
• Prevents Accelerated Drivetrain Wear — A worn or damaged tapered spider introduces slop into the pitch control linkage, causing uneven blade loading and accelerated wear on adjacent hydraulic and mechanical components.

The spider assembly is the mechanical interface between the trowel's pitch control mechanism and its rotating blades. On hydrostatic ride-on trowels like the STX55 series, the spider translates hydraulic input into precise blade angle changes, which directly controls the machine's finishing action and forward or reverse movement. When the spider or its tapered contact surfaces wear beyond tolerance, blade response becomes imprecise, finishing quality deteriorates, and stress is transferred unevenly to surrounding drivetrain components — making timely spider service critical to both output quality and machine longevity.

Part Number 22578-001 is sold by DHS Equipment as an authorized Multiquip dealer. Contact our parts team to confirm fitment for your specific serial number or to ask about availability.

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.