The Wacker Neuson Water Pump is a genuine OEM component designed for the RD27-100 and RD27-120 Hydrostatic Vibratory Rollers. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original unit installed at the factory. The is confirmed compatible across multiple machine configurations within the RD27 series, making it the correct choice for operators maintaining these tandem rollers.
Key Features
- Genuine OEM Cooling Circuit Integrity — Built to the same flow rate and pressure tolerances as the original, ensuring the engine cooling system performs as engineered.
- Direct Drop-In Replacement — Mounts to the same ports and brackets as the factory unit, allowing straightforward installation without custom adapters or modifications.
- RD27 Series Fitment — Verified for RD27-100 and RD27-120 Hydrostatic Vibratory Rollers across multiple machine configurations.
- Sustained Engine Temperature Control — A properly functioning water pump keeps coolant circulating at the correct rate; a failing pump leads to overheating, unplanned shutdowns, and potential engine damage during compaction runs.
- Fuel and Cooling System Safety — An overheating engine on a vibratory roller creates real risk on active job sites; replacing a worn pump promptly keeps operating temperatures within safe limits.
The water pump circulates coolant through the engine and radiator to regulate operating temperature during machine use. On a vibratory roller like the RD27 series, which runs hard during continuous asphalt and soil compaction passes, consistent coolant flow is critical to protecting the engine from heat buildup. When the water pump wears or fails — through seal degradation, impeller damage, or bearing failure — coolant flow drops, temperatures spike, and the machine is forced out of service to prevent engine damage.
Part Details
| Part Number | 5000161421 |
|---|---|
| Old Part Number | 0161421 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000009469, 5000620038 |
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.
