The Bomag 05850472 Steering Cylinder is a genuine OEM component designed for Bomag BW-series tandem rollers, including the BW 80 AD-5, BW 90 AD-5, BW 90 SC-5, BW 100 AD-5, BW 100 AC-5, BW 100 ACM-5, BW 100 ADM-5, BW 100 SC-5, BW 100 SCC-5, BW 120 AC-5, BW 120 AD-5, BW 120 SL-5, BW 135 AD-5, BW 138 AC-5, and BW 138 AD-5 tandem rollers. Sourced directly from Bomag, this steering cylinder meets the exact specifications of the original component it replaces. Verified compatibility with part number 05850472 ensures a straight-to-installation fit across the full range of supported machines.
Key Features
- Genuine OEM Hydraulic Integrity — manufactured to Bomag's original pressure ratings and bore tolerances, ensuring the steering circuit delivers consistent force and response on every pass
- Direct-Swap Installation — matches the original mounting points, port locations, and stroke length of the factory steering cylinder so this part drops into place without machining or adaptation
- Broad Tandem Roller Coverage — fits 15 BW-series tandem roller models, including the BW 80 AD-5, BW 100 AD-5, BW 120 AD-5, BW 135 AD-5, BW 138 AD-5, and additional AC, SC, ACM, ADM, and SL variants
- Restored Steering Precision — a healthy steering cylinder keeps articulation smooth and predictable; a worn or leaking cylinder causes sluggish response, hydraulic drift, and uneven compaction lines
- Operational Safety — the steering cylinder is a safety-critical hydraulic component; using a genuine OEM part maintains the correct pressure containment and seal ratings required for safe machine control
The steering cylinder is the hydraulic actuator that controls the articulation joint on a tandem roller, translating operator input into precise left-right movement of the front drum. When the operator turns the steering wheel or joystick, pressurized hydraulic fluid extends or retracts this cylinder, pivoting the machine through its turns. A failing steering cylinder — whether from internal seal wear, piston scoring, or end-cap leakage — results in slow or unresponsive steering, hydraulic fluid loss, and a machine that becomes difficult and potentially unsafe to control on the compaction pass. Replacing the cylinder promptly with a correct OEM unit restores full steering authority and protects the integrity of the surrounding hydraulic circuit.
Part Details
| Part Number | 05850472 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Steering Cylinder |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 100 SCC-5 | 00818505, 00824127 |
| Tandem Roller | BW 80 AD-5 | 00818707, 00824117 |
| Tandem Roller | BW 90 AD-5 | 00818709, 00824119 |
| Tandem Roller | BW 100 ADM-5 | 00818711, 00824121 |
| Tandem Roller | BW 90 SC-5 | 00818713, 00824125 |
| Tandem Roller | BW 100 ACM-5 | 00818717, 00824123 |
| Tandem Roller | BW 138 AC-5 | 00818719 |
| Tandem Roller | BW 138 AD-5 | 00818721, 00824175 |
| Tandem Roller | BW 135 AD-5 | 00818723 |
| Tandem Roller | BW 100 AD-5 | 00824029 |
| Tandem Roller | BW 120 AC-5 | 00824031 |
| Tandem Roller | BW 120 AD-5 | 00824033 |
| Tandem Roller | BW 100 SC-5 | 00824129 |
| Tandem Roller | BW 100 AC-5 | 00824275 |
| Tandem Roller | BW 120 SL-5 | 00824537 |
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.
