The Bomag 05728781 Piston is a genuine OEM component designed for the BMP 851 trench compactor. Sourced directly from Bomag, this piston meets the exact dimensional and material specifications of the original part. As an OEM replacement, it installs directly into the compaction system without rework or adaptation, restoring the machine to correct operating condition. If you're servicing a BMP 851, this is the piston built to fit it.
Key Features
- OEM-Grade Material and Tolerancing — manufactured to Bomag's original dimensional and hardness specifications, ensuring the correct compression characteristics for the BMP 851 compaction system
- Direct Replacement Fit — engineered to match the original piston geometry for a drop-in installation on the BMP 851 trench compactor
- Confirmed BMP 851 Fitment — verified for the BMP 851 trench compactor, so you order with confidence and avoid costly compatibility errors
- Sustained Compaction Output — a correctly sized piston maintains consistent hydraulic or mechanical force transfer, keeping the compactor delivering full output stroke after stroke
- Pressure and Wear Resistance — built to endure the high-cycle stress environment of a remote-controlled trench compactor, resisting deformation and surface wear over extended service intervals
The piston is a core reciprocating component within the compaction or hydraulic drive system of the BMP 851 trench compactor. It converts hydraulic pressure into mechanical force, driving the compaction cycle that allows the machine to densify soil in confined trench environments. When a piston wears, becomes scored, or loses dimensional integrity, the machine suffers reduced compaction force, inefficient hydraulic operation, or outright loss of drive — replacing it promptly with a correctly specified part restores full performance and prevents downstream damage to cylinders and seals.
Part Details
| Part Number | 05728781 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Trench Compactor | BMP 851 | 00815200, 00817959 |
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.