The Bomag 05818121 Vibration Motor is a genuine OEM component designed for the BMP 851 trench compactor. Sourced directly through Bomag's authorized parts network, this vibration motor meets the exact hydraulic and mechanical specifications of the original unit. This motor installs directly into the BMP 851's compaction system, ensuring the machine delivers the high-impact vibratory force it was engineered to produce. When you need to restore your trench compactor to full working capacity, this is the correct OEM part for the job.
Key Features
- Genuine OEM Hydraulic Motor — matched to the precise displacement, pressure rating, and port configuration of the original Bomag vibration motor, ensuring correct rotational output for the BMP 851's eccentric weight assembly
- Direct Replacement for the BMP 851 — engineered to the same dimensional and hydraulic interface specs as the factory unit, fitting the existing mounting points and hydraulic connections without rework
- Restores Full Compaction Force — a worn or failed vibration motor causes reduced amplitude and inconsistent compaction; replacing it with part number 05818121 brings the machine back to rated performance
- Confirmed Fitment for the BMP 851 Trench Compactor — verified compatibility with the BMP 851, Bomag's remote-controlled articulated trench compactor, so there is no guesswork on application
- Hydraulic System Integrity — using the correct OEM motor protects seals, fittings, and connected hydraulic circuits from pressure mismatches that an incorrectly spec'd unit can cause
The vibration motor is the hydraulic drive unit that spins the eccentric weight inside the compaction drum, generating the oscillating force that packs soil and backfill material in confined trench environments. Without a properly functioning vibration motor, the BMP 851 loses its compaction amplitude and becomes ineffective at achieving required soil density. A failing unit typically presents as reduced vibration, unusual hydraulic noise, or a complete loss of drum oscillation — all signs that the motor needs immediate replacement to get the machine back on the job.
Part Details
| Part Number | 05818121 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Vibration Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Trench Compactor | BMP 851 | 00815200, 00817959, 00818499 |
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.
