The Wacker Neuson Locknut is a genuine OEM fastener designed for a wide range of Wacker Neuson equipment, including CT36 and CT48 concrete trowels, VP and WP series single-direction vibratory plate compactors, PT2 and PT3 centrifugal trash pumps, BFS floor saws, and several diaphragm and dewatering pump models. As a factory-sourced component, the meets the exact dimensional and material standards set by Wacker Neuson for the assemblies it secures. With coverage spanning trowels, compaction equipment, pumps, and saws, this locknut is a high-utility fastener stocked for a broad range of service and repair applications. Always verify your machine's model number before ordering to confirm compatibility.
Key Features
- Genuine OEM Fastener Grade — Manufactured to Wacker Neuson's exact thread specification and material hardness, ensuring the locking action holds under operational vibration and load cycling.
- Direct-Fit Replacement — Matches the original thread pitch and dimensions of the hardware it replaces, installing directly into existing assemblies without reworking mounting points.
- Broad Equipment Coverage — A single part number that spans CT36 and CT48 trowels, VP/WP vibratory plates, PT2/PT3 trash pumps, PDT/PDI diaphragm pumps, PG dewatering pumps, and BFS floor saws.
- Vibration-Resistant Locking Design — The locknut format resists self-loosening in high-vibration applications, which is critical on compaction plates and concrete trowels where fastener movement can lead to misalignment or component damage.
- Fastener Integrity Matters — A worn or incorrect locknut can back off under load, causing the secured assembly to shift or fail. Using the correct OEM specification fastener maintains the integrity of the joint and the components it holds.
A locknut is a threaded fastener engineered to resist loosening when subjected to vibration, torque, or cyclical loading — conditions common across compaction equipment, concrete trowels, pumps, and saws. Unlike a standard nut, it incorporates a locking feature that maintains clamping force even as the machine operates under stress. When a locknut wears, strips, or is replaced with an incorrect substitute, the joint it secures can loosen over time, leading to component movement, accelerated wear on surrounding parts, or outright fastener failure. Using the correct OEM-specification locknut is a straightforward but critical step in any service or reassembly procedure.
Part Details
| Part Number | 5000156520 |
|---|---|
| Old Part Number | 0156520 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Locknut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| PT3 Pump | PT3 | 5000009321, 5000009322, 5000009323 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| PT2 Pump | PT2 | 5000009318, 5000009319, 5000009320 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000620770 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000620774 |
| PG2 Dewatering Pump | PG2 | 5000009496, 5000009497 |
| PG3 Dewatering Pump | PG3 | 5000009498, 5000009499 |
| Value Vibratory Plate, 11kN, 3 50mm/13.8in | VP1135R | 5000008709, 5000009071, 5000630061 |
| Value Vibratory Plate, 11 kN, 356mm/14in | VP1135RW | 5000009251, 5000009512 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340RW | 5000009034 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550RW | 5000009030 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340R | 5000009033 |
| VP1340W VIBROPLATE | VP1340W | 5000008706, 5000630051 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550R | 5000009029, 5000630056 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050R | 5000009088, 5000630063 |
| VP1550W VIBROPLATE | VP1550W | 5000008708, 5000630013, 5000630053 |
| Vibratory Soil Plate, 60 kN | VP60X | 5000009533 |
| VP1340 Single Direction Vibratory Plate | VP1340 | 5000008705, 5000630050 |
| Vibratory Soil Plate, 50 kN | VP50X | 5000009531 |
| Single Direction Plate | VPR70 | 5000006909 |
| WP1540W VIBROPLATE | WP1540W | 5000009326, 5000630018, 5000009547, 5000630066 |
| VP1550 VIBROPLATE | VP1550 | 5000008707, 5000630052 |
| WP1550W VIBROPLATE | WP1550W | 5000009324, 5000009548, 5000630020, 5000630064 |
| WP1550 VIBROPLATE | WP1550 | 5000009325, 5000630065 |
| WP1540 VIBROPLATE | WP1540 | 5000009327, 5000630067 |
| Value Vibratory Plate | VP2050I | 5000009541 |
| VP50Xw-VIBROPLATE | VP50Xw | 5000630094 |
| VP60Xw-VIBROPLATE | VP60Xw | 5000630095 |
| BFS12 FLOOR SAW | BFS12 | 5000630000 |
| WP 2050W | WP2050W | 5000630023 |
| WPP 1540W | WPP1540W | 5000630027 |
| WPP 1550W | WPP1550W | 5000630031 |
| WPP 1550Ww | WPP1550Ww | 5000630032 |
| Single Direction Plate | AP1135R | 5000009518 |
| WPP 1540Ww | WPP1540Ww | 5000630028 |
| BFS 935 SAW,BASIC | BFS 935B | 5000008911 |
| Single Direction Asphalt Plate | VP2050RW | 5000009511 |
| VP2050W VIBROPLATE | VP2050W | 5000009537 |
| Floor Saw | BFS20D | 5000630008 |
| BFS20 | BFS20 | 5000630129 |
| Walk-behind Rollers | RS600 | 5000630194, 5000630136 |
| Modular Internal Vibrators | RD 3.7 | 5000006908 |
| 500mm/50in, 20kN Value Vibrato ry Plate | VP2050 | 5000009530 |
| Floor Saw | BFS16 | 5000630098 |
| Value Vibratory Plate, 11kN 356mm/14in | VP1135R-AU | 5000630102 |
| Floor Saw | BFS18D | 5000630132 |
| Single Direction Plates | VP1340W-L | 5000630001 |
| Single Direction Plates | VP1340W-LL | 5000630002 |
| Single Direction Plates | VP1340W-LF | 5000630003 |
| Floor Saws | BFS1214 | 5000630004, 5000630093 |
| BFS18 | BFS 18 | 5000630099 |
| Single Direction Plate | WP1550Ww | 5000630113 |
| Single Direction Plate | WP2050Ww | 5000630116 |
| VP1340W VIBROPLATE, W/WHEEL KIT | VP1340W w/WH | 5000630121 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| BFS 914B SAW | BFS 914B | 5000610093 |
| Floor Saw | BFS 12 | 5000630092 |
| Single Direction Plate | WP1540Ww | 5000630111 |
| Floor Saws | BFSX20D | 5000630134 |
| Gas Reversible Vibratory Plate ,25 kN,40cm/16in | BPU 2540 | 5000008954 |
| Floor Saw | BFSX1214 | 5000630101 |
| Floor Saws | BFSX18D | 5000630133 |
| Floor Saw | BFSX18 | 5000630249 |
| Floor Saw | BFSX20 | 5000630250 |
| Floor Saws | BFS 614B | 5000009526 |
| Petrol Floor Saw BFS 940W | BFS 940W | 5000610328, 5100004005 |
| Floor Saw | BFSX16 | 5000630248 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
| Generator GH 3500 | GH3500 | 5000610079 |
| High Frequency Demolitionset | TEH 1 | 5000610241 |
| Petrol Floor Saw BFS 1350B | BFS 1350W | 5100000090, 5100004013 |
| Petrol Floor Saw BFS 1350BZ | BFS 1350Wz | 5100000092, 5100004014 |
| Petrol Floor Saw BFS 1345B | BFS 1345W | 5100001158, 5100004009 |
| Petrol Floor Saw BFS 1345BZ | BFS 1345Wz | 5100001159, 5100004010 |
| Floor Saw | BFS 914W | 5100004003 |
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.
