The Wacker Neuson 5000226588 Injection Pump is a genuine OEM component designed for the RD7 series tandem rollers and DPU 4045H, DPU 4545H, DPU 5045H, and DPU 5545H series diesel reversible vibratory plate compactors. As a direct Wacker Neuson OEM part, the part is sourced and manufactured to the same specification as the original unit fitted at the factory, ensuring a correct installation with no adaptation. This injection pump serves a wide range of RD7H-S, RD7He, and RD7H roller configurations alongside a broad family of diesel-powered DPU reversible plates, making it a high-demand service part across multiple machine lines.
Key Features
- Genuine OEM Fuel Delivery Accuracy — Manufactured to Wacker Neuson's original injection timing and output specification, maintaining correct fuel metering for consistent diesel combustion across all covered models.
- Direct-Fit Replacement — Engineered to connect directly to the existing fuel system mounting points on RD7 rollers and DPU compactors, with matching port sizing and mounting geometry.
- Broad Fitment Coverage — Compatible with the RD7H-S, RD7He, and RD7H tandem roller series, plus DPU 4045H, DPU 4545H, DPU 5045H, and DPU 5545H reversible vibratory plate compactors.
- Sustained Engine Output — A properly functioning injection pump maintains the fuel pressure and delivery rate the diesel engine requires to produce full compaction force; a worn or failing pump leads to hard starting, rough running, and loss of working power.
- Fuel System Integrity — Correct injection pump sealing and calibration prevents uncontrolled fuel delivery that can damage injectors, increase emissions, and cause premature engine wear.
The injection pump is the heart of a diesel fuel system. Its job is to pressurize fuel and deliver precisely metered quantities to the injectors at the correct moment in the engine's firing cycle. On diesel-powered compaction equipment like the RD7 tandem roller and DPU reversible plate series, accurate fuel delivery directly determines engine torque, smooth operation, and cold-start reliability. When an injection pump wears internally or fails, symptoms typically include difficulty starting, excessive smoke, uneven running, and a noticeable drop in compaction performance — all signs that the pump can no longer sustain the pressure and timing the engine demands.
Part Details
| Part Number | 5000226588 |
|---|---|
| Old Part Number | 0226588 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Pump |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| DPU 5045He-VIBROPLATE | DPU 5045He US | 5000610367 |
| DPU4545H | DPU 4545H | 5100009661, 5000610348 |
| DPU4545He | DPU4545He | 5100016951 |
| DPU4545He-VIBROPLATE | DPU 4545He | 5000610347 |
| DPU4545Hec | DPU4545Hec | 5100016953 |
| DPU4545Hech | DPU4545Hech | 5100015429 |
| DPU4545Hechzf | DPU4545Hechzf | 5100022112 |
| DPU4545Heh | DPU4545Heh | 5100009659 |
| DPU4545HEH US | DPU4545Heh US | 5100009660 |
| DPU5045H-VIBROPLATE,DIESEL | DPU 5045H | 5000610052, 5000610046, 5000610047 |
| DPU5545H | DPU 5545H | 5100009656, 5000610352 |
| DPU5545He | DPU5545He | 5100016947 |
| DPU5545He-VIBROPLATE | DPU 5545He US | 5000610402 |
| DPU5545Heap | DPU5545Heap | 5100016949 |
| DPU5545Hec | DPU5545Hec | 5100016950 |
| DPU5545Hech | DPU5545Hech | 5100009655 |
| DPU5545Heh | DPU5545Heh | 5100009652 |
| DPU5545HEH US | DPU5545Heh US | 5100009653 |
| DPU5545Hehap | DPU5545Hehap | 5100009654 |
| RD 7S | RD7H-S EU | 5000620795 |
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| RD7 Tandem Roller | RD7H | 5100017195, 5100017338, 5200015242, 5200015245 |
| RD7H-S ROLLER,DOUBLE DRUM | RD7H-S | 5000009487 |
| V.Plate DPU 4045Hap | DPU 4045H | 5000610044, 5000610051, 5000610064 |
| Vibratory Plate | DPU 5545Hec | 5100005859 |
| Vibratory Plate DPU 4545Hap | DPU 4545Hap | 5000610349 |
| Vibratory Plate DPU 4545He US | DPU 4545He US | 5100000679 |
| Vibratory Plate DPU 5545He | DPU 5545He | 5000610351 |
| Vibratory Plate DPU 5545Heap | DPU 5545Heap | 5000610353 |
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.
