The Wacker Neuson Valve Block is a genuine OEM component designed for the RD24-100, RD27-120, RD28-120, and related C, O, and DPF variant Tandem Roller series. As a direct OEM replacement, this part is manufactured to the same specifications as the original unit installed at the factory, ensuring correct hydraulic circuit behavior across all covered machines. The covers an extensive range of RD-series Tandem Rollers, including US-market and generation 3 (.3) variants, making it a widely applicable part for fleets running multiple configurations of these machines.
Key Features
- Genuine OEM Hydraulic Precision — Manufactured by Wacker Neuson to exact internal porting and pressure-rating specifications, ensuring correct flow routing and valve response in the hydraulic circuit.
- Direct-Mount Replacement — Matches the original mounting interface and hydraulic line connections of the factory-installed valve block, allowing straightforward removal and reinstallation without circuit modification.
- Broad RD-Series Coverage — Fits RD24-100, RD27-120, and RD28-120 Tandem Rollers across standard, C (cab), O (canopy), DPF, US-market, and generation 3 configurations.
- Consistent Hydraulic Control — A correctly functioning valve block maintains precise directional and pressure control across the roller's drive and vibration circuits; a failed or leaking block can cause erratic drum behavior or full loss of hydraulic function.
- Verified Part Number — Sourced as Wacker Neuson part 5100012390, cross-referenced against the full range of covered machine serial number groups to confirm application accuracy before purchase.
A valve block is a manifold-style hydraulic component that routes pressurized fluid to and from multiple circuits within the machine — in a tandem roller, this typically includes the propulsion drive and drum vibration systems. It houses internal valves and passages that control the direction, pressure, and flow of hydraulic oil based on operator input. When a valve block fails — through internal leakage, cracked porting, or stuck valves — the machine may lose drive response, exhibit inconsistent vibration output, or become inoperable, making prompt replacement critical to keeping the compaction work on schedule.
Part Details
| Part Number | 5100012390 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD24-100 Tandem Roller | RD24-100 | 5100011385, 5100047374 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD28-120 | RD28-120 | 5100047375 |
| RD24-100c | RD24-100c | 5100047376 |
| RD28-120c | RD28-120c | 5100047377 |
| RD24-100o | RD24-100o | 5100047378 |
| RD28-120o | RD28-120o | 5100047379 |
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
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.
