The Wacker Neuson Screw is a genuine OEM Screw used across a wide range of Wacker Neuson equipment, including PT3A and PDT/PDI series trash pumps and diaphragm pumps, CT24 and CT30 walk-behind trowels, RD7 tandem rollers, VP and WP series single-direction vibratory plates, BPU reversible vibratory plates, G and GS series portable generators, BFS floor saws, and WB16 power buggies. As a genuine OEM part, is manufactured to the exact tolerances and material specifications set by Wacker Neuson, ensuring a direct, correct-fit replacement every time. With fitment spanning more than a dozen distinct machine families, verifying your model number before ordering is recommended — cross-reference your machine's serial tag against the fitment list to confirm compatibility.
Key Features
- Genuine OEM Manufacturing Tolerances — Produced to Wacker Neuson's exact thread pitch, head type, and material grade specifications, so the fastener engages and seats correctly without stripping or over-torquing.
- Direct Drop-In Replacement — Matches the original mounting configuration across all listed machine families, allowing straightforward installation without reworking surrounding hardware.
- Broad Cross-Family Fitment — Compatible with PT3A and PDT/PDI diaphragm pumps, CT24 and CT30 trowels, RD7 tandem rollers, VP/WP/BPU vibratory compaction plates, G/GS portable generators, BFS floor saws, and WB16 power buggies.
- Structural Integrity Where It Counts — A correctly torqued screw keeps covers, guards, and key assemblies securely fixed; a failed or missing fastener can lead to component separation, vibration damage, or unsafe operating conditions on powered equipment.
- Fastener-Grade Material — OEM-specified material and finish resist the vibration, heat cycling, and exposure conditions common to compaction, pumping, and concrete finishing applications.
A screw may be the smallest component on a machine, but it plays a critical role in holding panels, guards, housings, and operational assemblies firmly in place. On high-vibration equipment such as vibratory plates and rammers — or on pumps and trowels subjected to continuous cyclic loads — a worn, stripped, or missing fastener can allow components to shift, loosen, or separate entirely, affecting both machine performance and operator safety. Replacing a damaged screw with the correct OEM part restores the clamping force and thread engagement the original design relies on, keeping every connected assembly operating as intended.
Part Details
| Part Number | 5000078550 |
|---|---|
| Old Part Number | 0078550 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3A | PT3A | 5000009101, 5000009240, 5000009098, 5000620800 |
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| CT24-4A Trowel | CT24-4A | 5000620105 |
| 610mm/24 inch Walk-behind Trow el | CT24-4A EU | 5000620849 |
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| 50Hz Portable Generator with E lectric Start | GS5.7AE | 5000008285, 5000008279, 5000008281, 5000008283 |
| Portable Generator with Electr ic Start | GS5.6A | 5000007191, 5000008046 |
| 50Hz Portable Generator | G4.6A | 5000008266, 5000008262, 5000008264, 5000008260 |
| 50Hz Portable Generator | G4.6AE | 5000008267, 5000008261, 5000008263, 5000008265, 5000008268 |
| 50Hz Portable Generator with E lectric Start | GS4.6A | 5000008275, 5000008271, 5000008273, 5000008269 |
| 50Hz Portable Generator with E lectric Start | GS4.6AE | 5000008276, 5000008270, 5000008272, 5000008274, 5000008277 |
| 50Hz Portable Generator with E lectric Start | GS5.7A | 5000008284, 5000008278, 5000008280, 5000008282 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054 |
| Portable Generator | G5.6A | 5000007190, 5000008045, 5000009431, 5000620008 |
| 50Hz Portable Generator | G5.7AE | 5000009015, 5000009019, 5000009017 |
| 50Hz Portable Generator | G5.7A | 5000009012, 5000009014, 5000009018, 5000009016 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062 |
| WPU1550A | WPU1550A | 5000630033 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT-E | 5000007587, 5000008002 |
| BFS 935A SAW,BASIC | BFS 935AB | 5000008910 |
| Power Buggy | WB16AE | 5000009284, 5000009042, 5000009266 |
| Power Buggy | WB16AEF | 5000009290, 5000009046, 5000009272 |
| Power Buggy | WB16AES | 5000009291, 5000009047, 5000009273 |
| Power Buggy | WB16AEFS | 5000009296, 5000009052, 5000009278 |
| Single Direction Plates | AP1550AW | 5000009540 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| Reversible Vibratory Plate, 50 kN, 45cm/18in | BPU 5045A | 5000008545 |
| Reversible Vibratory Plate, 35 kN, 45cm/18in | BPU 3545A | 5000008783 |
| WP 1540A | WP1540A | 5000630017 |
| WP 1550A | WP1550A | 5000630019 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| Single Direction Plates | AP1550A | 5000009539 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| Single Direction Plates | WP1550Aw | 5000630112 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| Single Direction Plates | WP1540Aw | 5000630106 |
| BPU 3050A | BPU 3050A | 5000008763 |
| Portable Generator with Electr ic Start, 50Hz | GS5.7AI | 5000009039 |
| Portable Generator, 50Hz | G5.7AI | 5000009040 |
| Power Buggy | WB16ADE | 5000009287, 5000009044 |
| Power Buggy | WB16ADEF | 5000009293, 5000009049 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single direction vibratory plate VP1340A | VP1340A | 5000630057 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935A | 5000008694 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935AL | 5000008695 |
| Portable Generator, 50Hz | G4.6AI | 5000009037 |
| 50Hz Portable Generator with E lectric Start | GS4.6AI | 5000009038 |
| Power Buggy | WB16ADES | 5000009050 |
| Power Buggy | WB16ADEFS | 5000009053 |
| Portable Generator | G4.6AIT | 5000009461 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327 |
| Single direction vibratory plate WP1235A | WP1235A | 5000630016 |
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.
