The Wacker Neuson 5100012890 is a genuine OEM Countersunk Screw designed for the RD-series tandem rollers, spanning the RD18, RD24, RD27, RD28, RD40, and RD45 model families. Sourced directly from Wacker Neuson, this fastener meets the exact material and dimensional specifications used in original production. Fitment covers an extensive range of RD-series configurations including open-ROPS, canopy, DPF, electric, and combination variants, making 5100012890 the correct replacement across virtually the entire walk-behind and ride-on tandem roller lineup.
Key Features
- Genuine OEM Fastener Grade — Manufactured to the exact hardness, thread pitch, and head geometry specified for the RD-series tandem roller assembly, ensuring proper torque retention without stripping or backing out under vibration.
- Flush-Mount Countersunk Head — The countersunk profile seats fully flush with the mating surface, maintaining panel clearances and preventing snagging or interference with adjacent components during operation.
- Broad RD-Series Compatibility — A single part number covers RD18, RD24, RD27, RD28, RD40, and RD45 variants — including open-ROPS, canopy, DPF, and electric configurations — simplifying parts ordering across a mixed fleet.
- Vibration-Resistant Retention — Tandem rollers generate continuous compaction vibration; a correctly spec'd OEM screw maintains clamping force and structural integrity where an incorrect substitute may work loose over time.
- Direct OEM Replacement — Part number 5100012890 cross-references directly to the original build record, so it installs exactly as the factory-fitted fastener did with no rework to the mounting location.
A countersunk screw is a threaded fastener with a tapered, flat-angled head designed to sit flush with or below the surface of the material it secures. In the context of Wacker Neuson RD-series tandem rollers — machines that subject every fastened joint to sustained vibration during asphalt and soil compaction passes — maintaining proper clamping torque is critical to keeping panels, guards, and structural assemblies securely located. When a countersunk screw strips, shears, or works loose, the component it retains can shift, rattle, or detach entirely, creating both an operational hazard and potential damage to surrounding parts. Replacing a worn or damaged screw with the correct OEM specification restores the designed clamping load and protects the integrity of the assembly it secures.
Part Details
| Part Number | 5100012890 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Countersunk Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RD28e-120 | RD28-120e | 5100066732 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100055775, 5100047361 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD45-140 | RD45-140 | 5100047383, 5100011392 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RD45-140c | RD45-140c | 5100047385 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD24-100o | RD24-100o | 5100047378 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD18-80 | RD18-80 | 5100055774, 5100011382, 5100047360 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD45-140o | RD45-140o | 5100047387 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD40-130c | RD40-130c | 5100047384 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
| RD40-130o | RD40-130o | 5100047386 |
| RD24e-100 | RD24-100e | 5100066731 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD28-120o | RD28-120o | 5100047379 |
| RD24-100o DPF | RD24-100o DPF | 5100047393 |
| RD24-100 | RD24-100 | 5100047374, 5100011385 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD28-120c | RD28-120c | 5100047377 |
| RD18-100c | RD18-100c | 5100055776, 5100047362 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD28e-120o | RD28-120oe | 5100066736 |
| RD28-120 | RD28-120 | 5100047375 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
| RD24e-100c | RD24-100ce | 5100066733 |
| RD28e-120c | RD28-120ce | 5100066734 |
| RD24-100c | RD24-100c | 5100047376 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD18 | RD18-100.3 | 5100055947 |
| RD24e-100o | RD24-100oe | 5100066735 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD24-100 DPF | RD24-100 DPF | 5100047380 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
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.
