The Wacker Neuson Lock Nut M3 is a genuine OEM fastener designed for ARFU 36/6 and AR 3/2 series external concrete vibrators. As a direct-source OEM component, it meets the same dimensional and material standards as the hardware installed at the factory, ensuring a consistent, secure fit within the vibrator assembly. This Lock Nut M3 is confirmed to fit a broad range of ARFU 36/6 and AR 3/2 models across multiple voltage configurations, including 115V, 230V, 400V, and 460V variants. When you need to restore a vibrator to proper operating condition, sourcing the correct OEM fastener like the removes any guesswork from the repair.
Key Features
- Genuine OEM Fastener Integrity — Manufactured to exact M3 thread specification, ensuring correct torque retention and thread engagement within the vibrator housing.
- Drop-In Hardware Replacement — Threads directly into the existing M3 position on AR and ARFU series external vibrators with no reworking of the mounting point required.
- Broad Voltage-Series Compatibility — Fits ARFU 36/6/115, ARFU 36/6/230, and AR 3/2 variants rated for 115V, 230V, 400V, and 460V/60Hz operation.
- Secure Vibration-Resistant Locking — The lock nut design resists self-loosening under the continuous high-frequency vibration loads that external concrete vibrators generate during operation.
- Electrical Safety Relevance — Proper fastener torque on an electric external vibrator is critical to maintaining housing integrity and protecting internal electrical components from moisture and debris ingress.
A lock nut is a threaded fastener engineered to resist loosening when subjected to vibration or dynamic loads. On an external concrete vibrator like the AR and ARFU series, internal rotating eccentric weights generate powerful, continuous vibration that can gradually work conventional nuts loose over time. The lock nut's locking feature — whether through a nylon insert, prevailing torque thread form, or deformed thread profile — creates additional resistance that keeps the fastener secure through extended operation. A missing or damaged lock nut in this environment can allow fastened components to shift, creating mechanical noise, accelerated wear, or housing misalignment that compromises the vibrator's output and service life.
Part Details
| Part Number | 5000013177 |
|---|---|
| Old Part Number | 0013177 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut M3 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| External Vib. ARFU 36/6/230 | ARFU 36/6/230 | 5000610000 |
| ARFU 36/6/115/US EXT. VIBRATOR | ARFU 36/6/115 | 5000610002, 5000610003 |
| External Vibrator, 3000 rpm, 4 00V | AR 3/2 | 5000006119 |
| External Vibrator AR 3/2 W | AR 3/2 W | 5000006120 |
| AR3/2 460V,3 EXTERNAL VIBRATOR | AR 3/2 S | 5000006348, 5000006351, 5000006423, 5000006435, 5000006479, 5000006493, 5000006662, 5000006708, 5000006830, 5000006950, 5000007296, 5000007769, 5000007784 |
| External Vibrator AR 3/2 W/S | AR 3/2 W/S | 5000006366, 5000006429, 5000006430, 5000006436, 5000006494 |
| External Vibrator 230/460 V | AR 3/2 460V 60Hz | 5000008960 |
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.
