The Wacker Neuson 5100012804 Circuit Board is a genuine OEM component designed for the RD-series tandem rollers, covering a wide range of walk-behind and ride-on articulated models across the RD18, RD24, RD27, RD28, RD40, and RD45 families. Sourced directly from Wacker Neuson, this board is manufactured to the exact specifications of the original part it replaces. Fitment spans standard, combination, open-ROPS, canopy, DPF, and regional US variants, making 5100012804 one of the most broadly compatible control components in the RD-series lineup. Always cross-reference your machine's model number and serial number before ordering to confirm this is the correct board for your specific configuration.
Key Features
- Genuine OEM Circuitry: — Manufactured to Wacker Neuson's original electrical specifications, ensuring correct signal output, voltage tolerance, and component layout for proper machine control.
- Direct Drop-In Replacement: — Matches the original board's connector positions and mounting points, allowing straightforward installation without modification to the wiring harness.
- Broad RD-Series Compatibility: — Fits RD18, RD24, RD27, RD28, RD40, and RD45 tandem rollers across standard, canopy, open-ROPS, DPF, and US-market configurations.
- Restores Full Machine Control: — A failed or damaged circuit board can cause erratic operation, loss of drum vibration control, or complete machine shutdown; replacing it restores normal function across all operator-controlled systems.
- Electrical System Integrity: — Using the correct OEM board prevents mismatched resistance or incorrect switching logic that can damage downstream electrical components in the roller's control system.
The circuit board in a Wacker Neuson RD-series tandem roller acts as the central electronic control hub for key machine functions, processing operator inputs and distributing signals to systems such as drum vibration, propulsion, and safety interlocks. When the board functions correctly, the operator has precise, responsive control over compaction settings and travel speed. A faulty or failed board typically presents as unresponsive controls, loss of vibration function, warning indicator faults, or a machine that will not start or operate normally — all of which bring compaction work to a halt until the board is replaced.
Part Details
| Part Number | 5100012804 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Circuit Board |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD24-100 | RD24-100 | 5100047374, 5100011385 |
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RD28-120o | RD28-120o | 5100047379 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
| RD40-130o | RD40-130o | 5100047386 |
| RD24-100c | RD24-100c | 5100047376 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD18-80 | RD18-80 | 5100055774, 5100047360, 5100011382 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD45-140c | RD45-140c | 5100047385 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100047361, 5100055775 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD28-120c | RD28-120c | 5100047377 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| RD40-130 | RD40-130 | 5100047382, 5100011391 |
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RD 18-100 C | RD18-100c | 5100047362, 5100055776 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD18 | RD18-100.3 | 5100055947 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD24-100o DPF | RD24-100o DPF | 5100047393 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RD28-120 | RD28-120 | 5100047375 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD24-100 DPF | RD24-100 DPF | 5100047380 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD24-100o | RD24-100o | 5100047378 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD40-130c | RD40-130c | 5100047384 |
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.
