The Wacker Neuson 5100011450 is a genuine OEM O-Ring Seal designed for the RD series tandem rollers, covering a wide range of walk-behind and ride-on articulated models including the RD18, RD24, RD27, RD28, RD40, and RD45 families. Sourced directly from Wacker Neuson, this part meets the exact material and dimensional specifications of the original seal used in production. It is a direct-fit replacement that installs in the same position as the factory seal with no modification needed to mating components. Confirm your machine's model and serial number against the fitment list to ensure correct application before ordering.
Key Features
- Genuine OEM Material Specification — Manufactured to Wacker Neuson's original compound and durometer rating, ensuring the seal compresses and seats correctly under operating pressure and temperature conditions specific to RD series tandem rollers.
- Direct-Fit Replacement — Dimensionally identical to the original, this O-Ring Seal drops into the same groove or port interface without reworking the housing or mating surface.
- Broad RD Series Coverage — Compatible across RD18, RD24, RD27, RD28, RD40, and RD45 tandem roller variants, including standard, combo, open-drum, closed-drum, DPF, US, and SE configurations.
- Leak Prevention at Critical Interfaces — A correctly seated O-Ring Seal maintains fluid containment in hydraulic or fluid circuits; a cracked, compressed, or extruded seal allows fluid to escape, leading to pressure loss and potential system damage.
- Fluid System Integrity — Using the correct OEM seal material prevents chemical incompatibility with hydraulic fluid or coolant, which can cause premature seal degradation and recurring leaks if the wrong compound is substituted.
An O-Ring Seal creates a pressure-tight barrier at the junction between two components — typically within hydraulic circuits, coolant passages, or fluid-carrying ports. It works by compressing into a precision-machined groove, filling any gap between mating surfaces and preventing fluid from bypassing that interface. When an O-Ring Seal ages, hardens, or is damaged during service, it loses its ability to hold that seal, resulting in fluid leaks that can reduce system pressure, cause overheating, or contaminate surrounding components. Replacing a worn seal promptly restores proper system function and prevents more costly damage downstream.
Part Details
| Part Number | 5100011450 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
| RD18-80 | RD18-80 | 5100047360, 5100011382, 5100055774 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD24-100 DPF | RD24-100 DPF | 5100047380 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
| RD40-130c | RD40-130c | 5100047384 |
| RD18 | RD18-100.3 | 5100055947 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD45-140 | RD45-140 | 5100047383, 5100011392 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD18-100 | RD18-100 | 5100055775, 5100011383, 5100047361 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD 18-100 C | RD18-100c | 5100047362, 5100055776 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD40-130o | RD40-130o | 5100047386 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD24-100o DPF | RD24-100o DPF | 5100047393 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD24-100 Tandem Roller | RD24-100 | 5100011385 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD45-140c | RD45-140c | 5100047385 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
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.