The Bomag 05850351 Steering Cylinder is a genuine OEM component designed for Bomag BW-series tandem rollers and BM-series cold milling machines. Sourced directly from Bomag, this steering cylinder matches the original unit in every dimensional and hydraulic specification, ensuring a true drop-in replacement. Compatible fitment spans a wide range of machines including the BW 141 AD-5, BW 151 AD-5, BW 154 AP-4, BW 161 AD-5, BW 174 AP-5, BM 500/15, and BM 600/15, among others. When your steering response feels sluggish, uneven, or the machine drifts, replacing the steering cylinder with an authentic Bomag part restores precise hydraulic-assisted directional control.
Key Features
- Genuine OEM Hydraulic Tolerancing — manufactured to Bomag's original bore, stroke, and seal-groove specifications so hydraulic pressure is delivered consistently without bypass or lag
- Direct Replacement Fit — matches the original mounting points and port configuration on both tandem roller and cold milling machine steering circuits, requiring no rework to the hydraulic lines or chassis brackets
- Broad Fitment Coverage — serves an extensive range of Bomag tandem rollers, including BW 141 AD-5, BW 151 AD-5, BW 154 AP-4, BW 161 AD-5, BW 174 AP-5, and BM 500/15 and BM 600/15 cold milling machines
- Restored Steering Precision — a failed or leaking steering cylinder causes erratic articulation and loss of directional authority; replacing it with this cylinder returns the machine to full, responsive steering control
- Safety-Critical Component — accurate, fully functional steering is essential for operator safety and proper machine positioning on grade; using a genuine OEM cylinder ensures the hydraulic system performs within the design envelope Bomag engineered for these machines
The steering cylinder is the primary hydraulic actuator responsible for articulating the machine's frame or front axle, translating hydraulic pressure from the steering circuit into controlled directional movement. On tandem rollers, precise articulation is critical for achieving uniform compaction passes and maneuvering in tight spaces; on cold milling machines, it governs accurate tracking along the milling line. When the cylinder develops internal leakage or seal failure, the operator experiences reduced steering authority, inconsistent tracking, or complete loss of directional control — conditions that can compromise both work quality and site safety.
Part Details
| Part Number | 05850351 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Steering Cylinder |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cold Milling Machine | BM 600/15 | 00818099, 00818175 |
| Cold Milling Machine | BM 500/15 | 00818173, 00818873, 00824553 |
| Tandem Roller | BW 154 AP-4 AM | 00818299, 00824177, 00824715 |
| Tandem Roller | BW 154 AP-4 | 00818301, 00824179, 00824717 |
| Tandem Roller | BW 154 ACP-4 AM | 00818303, 00824719 |
| Tandem Roller | BW 154 ACP-4 | 00818305, 00824721 |
| Tandem Roller | BW 174 AP-4 AM | 00818845, 00824543 |
| Tandem Roller | BW 174 AP-4 | 00818847, 00824545 |
| Tandem Roller | BW 174 AP-4 AM PB | 00818971 |
| Tandem Roller | BW 174 AP-4 PB | 00818973 |
| Tandem Roller | BW 141 AD-5 | 00824049, 00825593 |
| Tandem Roller | BW 151 AD-5 | 00824051, 00825595 |
| Tandem Roller | BW 154 AD-5 | 00824053, 00825597 |
| Tandem Roller | BW 151 AD-5 AM | 00824055 |
| Tandem Roller | BW 151 AC-5 | 00824057 |
| Tandem Roller | BW 174 AP-4i AM | 00824093, 00824627, 00825051 |
| Tandem Roller | BW 174 AP-4i | 00824095, 00824629, 00825053 |
| Tandem Roller | BW 161 AD-5 | 00824103, 00824647, 00824945 |
| Tandem Roller | BW 161 AC-5 | 00824109, 00824655 |
| Tandem Roller | BW 161 ADO-5 | 00824359, 00824657, 00824947 |
| Tandem Roller | BW 154 AP-4i AM | 00824385 |
| Cold Milling Machine | BM 500/15 EU-Flex | 00824539 |
| Tandem Roller | BW 154 AP-4i | 00824587 |
| Tandem Roller | BW 154 ACP-4i AM | 00824589, 00825383 |
| Cold Milling Machine | BM 500 15 P8 | 00824743 |
| Cold Milling Machine | BM600 /15 | 00824745 |
| Tandem Roller | BW 174 AP-4f AM | 00824909 |
| Tandem Roller | BW 174 AP-4f | 00824911 |
| Cold Milling Machine | BM 600/15 EU-Flex | 00824943 |
| Cold Milling Machine | BM 600/15 EU-Flex T4i | 00825065 |
| Tandem Roller | BW 174 APO-4i | 00825099 |
| Tandem Roller | BW 174 ACP 4I AM | 00825103 |
| Tandem Roller | BW161AD 5 | 00825627 |
| Tandem Roller | BW 174 AP-4v AM | 00825819 |
| Cold Milling Machine | BM 500/15 Stage V | 00825885 |
| Cold Milling Machine | BM 600/15 Stage V | 00825887 |
| Tandem Roller | BW 174 APO-4f | 00826149 |
| Tandem Roller | BW 174 AP-5 | 00826323 |
| Tandem Roller | BW 174 ACP-5 AM | 00826325 |
| Cold Milling Machine | BM 500/15-2 | 00826459 |
| Cold Milling Machine | BM 600/15-2 | 00826479 |
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.
