The Wacker Neuson Sealing Washer is a genuine OEM component designed for the RD40-130 and RD45-140 series tandem rollers, including standard, C, O, DPF, and US variants. Sourced directly through Wacker Neuson's authorized parts program, this sealing washer meets the exact material and dimensional requirements of the original part. It covers an extensive range of RD40-130 and RD45-140 configurations, making it the correct choice whether you're servicing a base model, a canopy variant, or a DPF-equipped machine. Confirm your machine's model number before ordering to ensure a correct match.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original material grade and compression characteristics required for a sealing washer, ensuring a leak-free connection on first installation.
- Direct Drop-In Replacement — Dimensionally identical to the factory-installed washer, so it seats and torques correctly without rework or shimming.
- Broad RD Series Fitment — Compatible with a wide range of RD40-130 and RD45-140 tandem roller variants, including standard, C, O, US, .3, and DPF configurations.
- Prevents Fluid Loss at Connection Points — A correctly functioning sealing washer maintains a pressure-tight seal; a worn or damaged one leads to fluid seepage, contamination ingress, and accelerated wear of adjacent components.
- Verified Part Number — Listed under OEM part number 5100011831, cross-referenced across multiple RD series model numbers for confident ordering.
A sealing washer creates a fluid-tight barrier at threaded or bolted connection points within hydraulic, fuel, or lubrication circuits. It works by deforming slightly under torque to fill microscopic surface irregularities between mating components, preventing leaks under pressure. When a sealing washer deteriorates, cracks, or loses its compression, fluid can escape at the joint, leading to system pressure loss, external contamination, and potential damage to surrounding components if left unaddressed.
Part Details
| Part Number | 5100011831 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Sealing Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
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.
