The Wacker Neuson Injection Pump is a genuine OEM injection pump designed for the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders. As a factory-sourced component, this injection pump is built to the exact tolerances and flow specifications required by Wacker Neuson for proper engine fuel delivery. Whether you're performing a scheduled service or replacing a failed unit, part installs as a direct fit with no modification to existing fuel system connections. Confirm your model against the fitment list before ordering to ensure this is the correct pump for your machine.
Key Features
- OEM Fuel Delivery Precision — Manufactured to Wacker Neuson's exact injection pressure and flow rate specifications, ensuring the engine receives the precise fuel charge needed for consistent combustion and full power output.
- Direct-Fit Replacement — Engineered to match the original mounting configuration and fuel line connections on supported BL-series backhoe loaders, allowing a straightforward swap without adapting fittings or brackets.
- Broad BL-Series Compatibility — Fits the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders, covering multiple variants across the BL744 and BL742 model families.
- Sustained Engine Performance — A correctly functioning injection pump maintains proper fuel atomization and timing, preserving rated horsepower, fuel efficiency, and smooth operation under load. A worn or failing pump causes hard starts, power loss, and excessive smoke.
- Fuel System Safety Compliance — As a genuine OEM part, this injection pump meets the original design standards for fuel containment and pressure management, reducing the risk of leaks or uncontrolled fuel delivery that could create a fire hazard or engine damage.
The injection pump is responsible for pressurizing diesel fuel and delivering metered charges to each injector at precisely the right moment in the engine's firing cycle. It is the heart of the fuel system — without accurate pressure and timing, combustion becomes uneven, power drops, and fuel consumption rises. When an injection pump wears out or fails, symptoms typically include difficult cold starting, rough idling, black or white exhaust smoke, and a significant loss of pulling or digging force, all of which point to inconsistent or insufficient fuel delivery to the engine.
Part Details
| Part Number | 5100044659 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BL744ch Backhoe Loader | BL744ch | 5100031800 |
| BL744h Backhoe Loader | BL744h | 5100031801 |
| BL742h Backhoe Loader | BL742h | 5100031802 |
| BL744c Backhoe Loader | BL744c EX | 5100031803 |
| BL744 EX Backhoe Loader | BL744 EX | 5100031804 |
| Backhoe Loader | BL742 EX | 5100031805 |
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.
