The Wacker Neuson Washer 12 Flat is a genuine OEM component designed for a broad range of Wacker Neuson equipment including RS800 series single drum vibratory rollers, ML440 light towers, P35A and P35 wet screed power units, HP50 and HP100 vibratory truss screed power sections, and the PV35A pole vibrator. As a direct OEM replacement, this washer is manufactured to the exact material and dimensional standards specified by Wacker Neuson, ensuring a correct fit every time. Sourcing the genuine from an authorized parts supplier is the most straightforward way to maintain your equipment's integrity and keep it performing as designed.
Key Features
- Genuine OEM Material Specification — Manufactured to Wacker Neuson's exact hardness and dimensional tolerances, ensuring the washer seats and distributes load correctly under operational stress.
- Drop-In Hardware Replacement — Matches the original hole diameter and outer profile of the factory-installed washer, fitting directly onto the fastener stack without modification.
- Wide Equipment Compatibility — Fits RS800 and RS800A single drum vibratory rollers, ML440 light towers, P35 and P35A wet screed power units, HP50 and HP100 vibratory truss screed power sections, and the PV35A pole vibrator.
- Correct Load Distribution — A properly sized flat washer spreads fastener clamping force evenly across mating surfaces, preventing surface damage, fastener loosening, and joint failure over time.
- Cross-Application Stocking Value — A single part number covers multiple machine families, making it a practical addition to a field service or workshop parts inventory.
A flat washer is a thin, disc-shaped hardware component placed under a bolt head or nut to distribute clamping load over a wider surface area. By spreading that force, it protects the mating surface from being deformed or damaged as the fastener is tightened, and it helps maintain consistent clamp load over the service life of the joint. When a washer is missing, undersized, or worn, the fastener can work loose or bite into the surrounding material, leading to joint failures, vibration-related loosening, and potential damage to more costly components.
Part Details
| Part Number | 5000010666 |
|---|---|
| Old Part Number | 0010666 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer 12 Flat |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single Drum Vibratory Roller | RS800A | 5000006581, 5000630011 |
| Single Drum Vibratory Roller | RSS800A | 5000006582, 5000630012 |
| P35A Power Unit | P35A | 5000620364, 5000620616 |
| Wet Screed, Power Unit | P35A-X | 5000620417 |
| Power Unit for Wet Screed | P35A EU | 5000620851 |
| Single Drum Vibratory Roller | RS800H | 5000006583 |
| Single Drum Vibratory Roller ( without engine) | RS800 | 5000006585 |
| HP50A | HP50A | 5000009508 |
| Light Towers | ML440 | 5000630117, 5000630204, 5000630323, 5000630324, 5000630325, 5000630327 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| Light Towers | ML440(RAW) | 5000630333, 5000630181 |
| Single Drum Vibratory Roller | RS800V | 5000007187 |
| Power Unit for Wet Screed | P31A | 5000009365 |
| Vibratory Truss Screed, Power Section | HP100 | 5000008291 |
| Vibratory Truss Screed, Power Section | HP50 | 5000008292 |
| Wet Screed Power Unit | P35 | 5000620006 |
| Pole Vibrator | PV35A | 5000620618 |
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.
