The Bomag 05850540 Hydraulic Cylinder is a genuine OEM component designed for Bomag BM 1000/35, BM 1200/35, BM 1200/35 T4f, BM 1300/35, and BM 1300/35 T4f cold milling machines. Sourced directly from Bomag, this hydraulic cylinder delivers an exact match to the original part in dimensions, pressure ratings, and sealing interfaces — no guesswork on fitment. It replaces part number 05850540 directly, making it a straightforward swap for field technicians and shop crews keeping cold milling equipment in service.
Key Features
- Genuine OEM Hydraulic Integrity — manufactured to Bomag's original pressure and stroke specifications, ensuring the cylinder operates within the hydraulic system's designed parameters without compromising circuit performance
- Direct-Swap Replacement — matches the original mounting interfaces, port sizes, and rod geometry so it installs into the machine's hydraulic circuit exactly as the factory part did
- Broad Cold Milling Machine Coverage — confirmed fit across the BM 1000/35, BM 1200/35, BM 1200/35 T4f, BM 1300/35, and BM 1300/35 T4f, covering both standard and Tier 4 Final engine variants in the BM 35-series line
- Sustained Cutter Head and Height Control Performance — a properly functioning hydraulic cylinder maintains consistent cutting depth and raise/lower response; a worn or leaking cylinder causes erratic depth control and hydraulic fluid loss that can damage adjacent components
- Seal and Material Quality — OEM seals and cylinder bore finish are matched to the hydraulic fluid spec and operating pressures found in Bomag cold milling machines, resisting wear and internal bypass over extended service cycles
A hydraulic cylinder converts hydraulic pressure into controlled linear movement, and on a cold milling machine it is fundamental to functions such as raising and lowering the cutting drum, adjusting cutting depth, and managing the machine's height relative to the road surface. When a hydraulic cylinder develops internal leakage or seal failure, the operator loses precise control over cutting depth, which directly affects milling quality and surface consistency. Replacing a worn cylinder with a genuine Bomag part restores full hydraulic force and positioning accuracy, allowing the cold milling machine to perform to its rated specification.
Part Details
| Part Number | 05850540 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Hydraulic Cylinder |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cold Milling Machine | BM 1000/35 | 00824229, 00824569, 00824795 |
| Cold Milling Machine | BM 1200/35 | 00824533, 00824631, 00824797 |
| Cold Milling Machine | BM 1300/35 | 00824535, 00824633, 00824799 |
| Cold Milling Machine | BM 1200/35 T4f | 00825167 |
| Cold Milling Machine | BM 1300/35 T4f | 00825169 |
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.