Wacker Neuson 5000153565 Hex Lock Nut 5/16-24

The Wacker Neuson is a genuine OEM Hex Lock Nut 5/16-24 designed for the CRT36 and CRT48 series ride-on concrete power trowels. As a direct OEM replacement, part is manufactured to the exact thread specification and locking torque retention required by the original design. This nut fits 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 CRT48-57K variants, covering standard, Power Steer, dual-fuel, and EU-spec configurations. Sourcing a genuine Wacker Neuson part ensures the correct 5/16-24 thread form and locking feature are preserved, keeping fastened assemblies secure under the vibration and load cycles typical of ride-on trowel operation.

Key Features

• Correct Thread Specification: — Cut to the 5/16-24 UNF thread standard, ensuring full thread engagement and proper torque loading on mating fasteners without the risk of cross-threading or premature loosening.
• Locking Retention Under Vibration: — The locking feature resists self-loosening caused by the continuous vibration and rotational forces generated during trowel blade operation — a critical attribute for hardware in this application.
• Genuine OEM Part: — Supplied as a genuine Wacker Neuson OEM component, matching the original hardware specification for thread pitch, hex dimensions, and locking mechanism type.
• Broad CRT Series Coverage: — Fits CRT36 and CRT48 family machines across multiple model generations, including standard, Power Steer, dual-fuel, and EU-spec variants of both 36-inch and 48-inch ride-on trowels.
• Drop-In Hardware Replacement: — Installs directly onto existing studs or bolts without modification, maintaining the correct clamp load and preload characteristics of the original assembly.

A hex lock nut is a standard fastener fitted with an integrated locking feature — typically a nylon insert or a distorted thread profile — that prevents the nut from backing off under vibration or dynamic loading. On a ride-on concrete trowel, rotating blade assemblies, gearboxes, and frame-mounted components are all subject to sustained vibration and mechanical stress during finishing operations, making locking hardware essential for maintaining structural integrity. When a lock nut fails or is replaced with a standard non-locking nut, fastened joints can loosen progressively during use, leading to component misalignment, accelerated wear on mating parts, or fastener loss — any of which can interrupt a pour and require unplanned service attention.

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.