The Bomag 05902178 Steering Unit is a genuine OEM component designed for MPH 121, MPH 122, and MPH 122-2 recycler/stabilizers. Sourced directly from Bomag, this steering unit matches the original specification and installs directly in place of the factory unit without modification. This part is confirmed compatible across the MPH 121, MPH 122, and MPH 122-2 — giving operators confidence that they are installing the correct component the first time.
Key Features
- Genuine OEM Hydraulic Precision — manufactured to Bomag's exact hydraulic flow and pressure specifications for steering units, ensuring consistent, responsive steering feel and full directional authority
- Direct Replacement Fit — engineered to the same port configuration and mounting interface as the original, allowing a straightforward swap on MPH-series recycler/stabilizers
- Confirmed Fitment — verified for Bomag MPH 121, MPH 122, and MPH 122-2 recycler/stabilizers, covering this complete equipment family
- Restored Steering Control — a worn or failed steering unit causes sluggish, unpredictable, or lost directional response; replacing with this OEM unit restores full operator control of the machine
- Operator Safety Assurance — steering system integrity is critical on large stabilizers working in high-inertia conditions; an OEM-spec unit maintains the hydraulic response needed for safe maneuvering
The steering unit is the hydraulic heart of the machine's directional control system. It translates input from the steering wheel into pressurized hydraulic flow that actuates the steering cylinders, directing the machine left or right with proportional precision. When a steering unit begins to fail — through internal wear, seal degradation, or fluid bypass — operators will notice increased steering effort, slow or drifting response, and ultimately a loss of directional control that can make operating a large recycler/stabilizer hazardous. Replacing the unit with a genuine Bomag part, such as part number 05902178, restores the hydraulic output characteristics the machine was designed around.
Part Details
| Part Number | 05902178 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Steering Unit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Recycler / Stabilizer | MPH 121 | 00817587 |
| Recycler / Stabilizer | MPH 122 | 00817595 |
| Recycler / Stabilizer | MPH 122-2 | 00818177, 00818727, 00818911, 00824987 |
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.
