The Bomag 05717884 Reducing Union is a genuine OEM component designed for Bomag cold milling machines, recycler/stabilizers, refuse/landfill compactors, and soil compactors across multiple equipment families. Sourced directly from Bomag, this fitting delivers the exact thread specifications, port sizing, and material grade required to maintain system integrity. This reducing union fits the BM 2000/60 and BM 2000/60-2 cold milling machines, MPH 122-2, MPH 125, and MPH 600 recycler/stabilizers, BC 772 RB-2, BC 672 RB-2, BC 772 RS-2, BC 972 RB-2, and BC 1172 RB-2 refuse/landfill compactors, and BC 772 EB-2 and BC 672 EB-2 soil compactors. When a fluid line connection fails or leaks, replacing it with the correct OEM part number 05717884 ensures the hydraulic or fluid circuit is restored to its original specification without improvised adaptations.
Key Features
- OEM-Grade Sealing Integrity — manufactured to Bomag's exact port dimensions and thread tolerances, ensuring a leak-free connection in high-pressure hydraulic and fluid circuits
- Drop-In Replacement — matches the original union's thread form, taper, and port sizing so this reducing union installs directly into the existing line without modification
- Broad Equipment Coverage — fits BM 2000/60 and BM 2000/60-2 cold milling machines, MPH 122-2, MPH 125, and MPH 600 recycler/stabilizers, BC-series refuse/landfill and soil compactors including the BC 772 RB-2, BC 972 RB-2, and BC 1172 RB-2
- System Pressure Confidence — a correctly rated reducing union maintains proper fluid flow between different line sizes, preventing pressure loss, heat buildup, and circuit imbalance that can damage downstream components
- Genuine Bomag OEM Part — carrying part number 05717884, this component is produced to the same standard as the original fitting installed at the factory, with no substitutions in material or geometry
A reducing union is a threaded hydraulic or fluid-line fitting that connects two lines of different diameters, allowing fluid to transition between them without a drop in system integrity. In heavy equipment like cold milling machines and large compactors, these fittings are part of hydraulic, fuel, or coolant circuits where correct sizing and leak-free connections are critical to consistent machine output. When a reducing union corrodes, cracks, or strips at the threads, it can cause fluid leaks that lead to pressure loss, circuit contamination, and unplanned downtime — making timely replacement with a properly rated OEM fitting essential to keeping the machine operating as intended.
Part Details
| Part Number | 05717884 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Reducing Union |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cold Milling Machine | BM2000/60 | 00800623 |
| Cold Milling Machine | BM 2000/60-2 | 00800693, 00800695 |
| Recycler / Stabilizer | MPH 122-2 | 00818177, 00818727, 00818911, 00824987 |
| Refuse / Landfill Compactor | BC 772 RB-2 | 00818179, 00818885, 00818933, 00824639 |
| Refuse / Landfill Compactor | BC 672 RB-2 | 00818181, 00818887, 00818931, 00824641 |
| Refuse / Landfill Compactor | BC 772 RS-2 | 00818185, 00818895, 00824643 |
| Soil Compactor | BC 772 EB-2 | 00818187, 00818897 |
| Soil Compactor | BC 672 EB-2 | 00818189 |
| Refuse / Landfill Compactor | BC 972 RB-2 | 00818191, 00818701, 00818889 |
| Refuse / Landfill Compactor | BC 1172 RB-2 | 00818193, 00818703, 00818891 |
| Recycler / Stabilizer | MPH 125 | 00818273, 00818681, 00818909 |
| Recycler / Stabilizer | MPH 600 | 00824097 |
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.
