The Wacker Neuson 5100012972 is a genuine OEM Locking Washer designed for the RD series tandem rollers and RC series single-drum soil compactors. This fastener hardware component serves across a broad range of Wacker Neuson compaction equipment, including RD18, RD24, RD27, RD28, RD40, and RD45 tandem rollers as well as RC50, RC70, and RC110 single-drum soil compactors. As a genuine OEM part, the 5100012972 is sourced directly through Wacker Neuson's authorized parts network, ensuring it meets the exact specifications of the original hardware used in production. Confirming the part number against your machine's serial number and model designation before ordering is always recommended given the wide fitment range this washer covers.
Key Features
- Genuine OEM Hardware Grade — Manufactured to the same hardness and dimensional tolerances as the original production fastener, ensuring consistent clamping force and thread protection in service.
- Drop-In Installation — Matches the original locking washer position exactly, seating flush against mating fastener hardware without modification to surrounding components.
- Wide Compaction Equipment Coverage — Fits RD18, RD24, RD27, RD28, RD40, and RD45 tandem rollers and RC50, RC70, and RC110 single-drum soil compactors across multiple production runs and configurations.
- Maintains Fastener Integrity — A correctly functioning locking washer prevents fastener back-out under vibration — critical on compaction equipment where constant dynamic loading is standard operating conditions.
- Broad Configuration Support — Covers standard, combination drum, cab, ROPS, DPF, and US-spec variants across the RD and RC families, making it a high-utility stocking part for mixed fleets.
A locking washer is a small but essential fastener component that sits between a bolt or nut and the mating surface to resist loosening caused by vibration and dynamic loads. On compaction equipment like tandem rollers and single-drum soil compactors, the entire machine operates under continuous vibration, which places fastener joints under constant cyclic stress. When a locking washer wears, deforms, or goes missing, the fastener it supports can gradually back out, leading to loose assemblies, accelerated wear on surrounding components, and potential structural failures if left unaddressed. Replacing a worn or damaged locking washer promptly with the correct OEM part is a straightforward step that protects the integrity of the broader assembly.
Part Details
| Part Number | 5100012972 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Locking Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RC110p ROPS | RC110p ROPS | 5100067706 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RC50 | RC50 | 5100047388, 5100021295 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD40-130 | RD40-130 | 5100047382, 5100011391 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| Compactor RC110 US CAB | RC110 US CAB | 5100064270 |
| RC70 | RC70 DPF CAB | 5100064259 |
| RD24-100c | RD24-100c | 5100047376 |
| RC110p CAB | RC110p CAB | 5100067707 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
| RC70vo | RC70vo | 5100047412 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD24-100 | RD24-100 | 5100047374, 5100011385 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RC70 | RC70 | 5100047410, 5100021297 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RC70p | RC70p | 5100047411 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RC70 | RC70 DPF ROPS | 5100064260 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
| RD40-130c | RD40-130c | 5100047384 |
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RC50p | RC50p | 5100047389 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD28-120c | RD28-120c | 5100047377 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RC50 Single Drum Soil Compactor | RC50 US | 5100027575, 5100047413 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RC110 | RC110 | 5100030674 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD40-130o | RD40-130o | 5100047386 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RC50p US | RC50p US | 5100047414, 5100027576 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD18-80 | RD18-80 | 5100055774, 5100011382, 5100047360 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD28-120 | RD28-120 | 5100047375 |
| RD18-100c | RD18-100c | 5100055776, 5100047362 |
| RD45-140 | RD45-140 | 5100047383, 5100011392 |
| RC70p | RC70p DPF CAB | 5100064261 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RD28-120o | RD28-120o | 5100047379 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RC70 US | RC70 US | 5100047415, 5100027577 |
| RC110P | RC110P | 5100030675 |
| Compactor RC110p US CAB | RC110p US CAB | 5100064271 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD24-100o DPF | RD24-100o DPF | 5100047393 |
| RC50p | RC50p DPF ROPS | 5100064258 |
| Single drum soil compactor RC70P | RC70P | 5100021298 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| Single drum soil compactor RC50P | RC50P | 5100021296 |
| RD24-100o | RD24-100o | 5100047378 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| Single drum soil compactor RC70VO | RC70VO | 5100021299 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD45-140c | RD45-140c | 5100047385 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
| RC70p Single Drum Soil Compactor | RC70p US | 5100027579, 5100047416 |
| Compactor RC110 US Rops | RC110 US Rops | 5100056461 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RC110 ROPS | RC110 ROPS | 5100067704 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100055775, 5100047361 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| Compactor RC110p US Rops | RC110p US Rops | 5100056462 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD45-140o | RD45-140o | 5100047387 |
| RC110 CAB | RC110 CAB | 5100067705 |
| RD24-100 DPF | RD24-100 DPF | 5100047380 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RC50p | RC50p DPF CAB | 5100064257 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RC70vo | RC70vo DPF CAB | 5100064263 |
| RC50 | RC50 DPF CAB | 5100064255 |
| RD18 | RD18-100.3 | 5100055947 |
| RC70p | RC70p DPF ROPS | 5100064262 |
| Vibration Roller | RC70 VO US | 5100027578 |
| RC50 | RC50 DPF ROPS | 5100064256 |
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.
