Wacker Neuson 5000165320 Extension Spring

The Wacker Neuson is a genuine OEM Extension Spring designed for the CRT36 and CRT48 series ride-on concrete power trowels. As a direct OEM replacement, this part is manufactured to the exact specifications required by Wacker Neuson for consistent performance across the CRT lineup. Fitment covers a wide range of CRT models including the CRT36-24A, CRT36-25, CRT36-26A, CRTv36-26A, CRT48-31V, CRT48-33K, CRT48-34V, CRT48-35L, CRT48-35V, CRT48-37V, and Power Steer variants. Ordering by the verified part number ensures you receive the correct spring for your machine without guesswork.

Key Features

• Genuine OEM Tension Rating — Manufactured to Wacker Neuson's exact load and extension specifications, ensuring the spring delivers the correct return force within the trowel's mechanical linkage.
• Drop-In Installation — Matches the original mounting points and hook geometry on CRT series trowels for a straightforward swap with standard hand tools.
• Broad CRT Series Coverage — Verified across both 36-inch and 48-inch ride-on trowel families, including standard, Power Steer, Dual-Fuel, and EU-spec variants.
• Sustained Linkage Response — A properly tensioned extension spring keeps mechanical controls responsive and consistent during finishing passes; a fatigued or broken spring leads to sluggish or uneven control feel.
• Corrosion-Resistant Construction — Built to withstand the wet, alkaline environment of a concrete finishing site where spring degradation from slurry exposure is a common failure point.

An extension spring stores and releases mechanical energy by resisting being pulled apart, creating a return force that holds linked components in their correct position or returns them to a neutral state. On a ride-on concrete trowel like the CRT series, extension springs are used within control linkages and guard or blade pitch mechanisms to maintain proper tension and ensure responsive operator input. When an extension spring fatigues, loses tension, or breaks, the affected linkage can become loose, unresponsive, or fail to return correctly — resulting in inconsistent blade angle, control lag, or components that no longer hold their set position during operation.

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.