The Bomag 05559571 Reducing Nipple is a genuine OEM fitting designed for Bomag MPH 122-2 recyclers/stabilizers and the BM 2000/75, BM 2200/75, BM 2000/75 TE, BM 2500/75, BM2000/65 Stage V, and BM2200/65 Stage V cold milling machines. Sourced directly from Bomag, this reducing nipple matches the original component in thread size, taper, and material, ensuring a leak-free hydraulic or fluid connection from the first installation. When fitting compatibility is critical on high-output milling and stabilizing equipment, using part number 05559571 eliminates the guesswork and keeps fluid systems operating at the correct pressure and flow rate.
Key Features
- OEM Thread and Taper Accuracy — machined to Bomag's exact thread specification, ensuring a metal-to-metal seal without the risk of cross-threading or pressure leaks common with imprecise fittings
- Drop-In Installation — this reducing nipple threads directly into the original port without modification, connecting two different-diameter lines as the factory design requires
- Broad Coverage Across Milling and Stabilizing Families — fits the MPH 122-2 recycler/stabilizer and BM 2000/75, BM 2200/75, BM 2000/75 TE, BM 2500/75, BM2000/65 Stage V, and BM2200/65 Stage V cold milling machines
- Fluid System Integrity — a correctly seated reducing nipple maintains the designed pressure differential between fluid lines; a failed or mismatched fitting can cause fluid loss, pressure drop, and downstream component damage on high-demand milling circuits
- Genuine Bomag OEM Component — supplied under the original Bomag part number 05559571, meeting the same material and dimensional standards as the part it replaces
A reducing nipple is a threaded hydraulic or fluid fitting that transitions a connection from one pipe or hose diameter to a smaller one within a machine's fluid circuit. On large cold milling machines and recyclers/stabilizers, these fittings play a critical role in maintaining proper flow routing between components such as pumps, valves, and actuators. When a reducing nipple fails — through thread wear, corrosion, or cracking — fluid can leak at the joint, causing pressure loss that degrades the performance of the entire circuit and can lead to costly secondary damage if left unaddressed.
Part Details
| Part Number | 05559571 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Reducing Nipple |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Recycler / Stabilizer | MPH 122-2 | 00818177, 00818727, 00818911, 00824987 |
| Cold Milling Machine | BM 2000/75 | 00824741 |
| Cold Milling Machine | BM 2200/75 | 00824801 |
| Cold Milling Machine | BM 2000/75 TE | 00825881 |
| Cold Milling Machine | BM 2500/75 | 00826375 |
| Cold Milling Machine | BM2000/65 Stage V | 00826467 |
| Cold Milling Machine | BM2200/65 Stage V | 00826469 |
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.
