The Bomag 05804421 Pump Unit is a genuine OEM component designed for BW 124 and C 815 C series single drum rollers. Sourced directly from Bomag, this pump unit is manufactured to the same specifications as the original, ensuring a correct, direct-replacement fit across the full range of compatible machines. This unit is confirmed to fit the BW 124 DH-3, BW 124 PDH-3, BW 124 DH-4, BW 124 PDH, BW 124 DH-40, BW 124 PDH-40, C 815 C, and C815D single drum rollers. When your hydraulic system depends on consistent output and pressure, trusting a genuine OEM part is the straightforward choice.
Key Features
- Genuine OEM Hydraulic Precision — built to exact Bomag output and pressure specifications for this pump application, with no guesswork on flow rates or porting
- Direct Drop-In Replacement — matches the original mounting configuration and port orientation on BW 124 and C 815 C single drum rollers for a straightforward swap
- Broad Single Drum Roller Coverage — fits BW 124 DH-3, BW 124 PDH-3, BW 124 DH-4, BW 124 PDH, BW 124 DH-40, BW 124 PDH-40, C 815 C, and C815D machines
- Sustained Drive and Vibration Performance — a correctly functioning pump unit maintains consistent hydraulic flow to propulsion and vibration circuits, keeping compaction output where it needs to be
- Authentic Bomag Part Number — ordering by part number 05804421 confirms you are receiving the correct assembly for your specific machine variant, not a generic substitute
The pump unit is a core component of the hydraulic system on these single drum rollers, responsible for generating and delivering the pressurized fluid flow that powers both the drive and vibratory drum circuits. Without consistent pump output, the machine loses propulsion force, drum vibration amplitude, or both — directly compromising compaction effectiveness and potentially causing uneven or incomplete soil consolidation. A worn or failing pump unit typically shows up as sluggish travel, reduced drum frequency, or hydraulic overheating, making timely replacement critical to keeping the roller performing at full capacity.
Part Details
| Part Number | 05804421 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Pump Unit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single Drum Roller | BW 124 DH-3 | 00817464, 00817634 |
| Single Drum Roller | BW 124 PDH-3 | 00817465 |
| Single Drum Roller | BW124PDH 3 | 00817574, 00818025 |
| Single Drum Roller | C 815 C | 00817575 |
| Single Drum Roller | BW 124 DH-4 | 00818295 |
| Single Drum Roller | BW 124 PDH | 00818297 |
| Single Drum Roller | BW124DH 4 | 00818311 |
| Single Drum Roller | BW 124 DH-40 | 00818521 |
| Single Drum Roller | BW 124 PDH-40 | 00818523 |
| Single Drum Roller | C815D | 00818569 |
| Single Drum Roller | BW124PDH-40 | 00818571 |
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.
