The Multiquip 05421 Manifold RW-1403FM is a genuine OEM manifold designed for RAMMAX walk-behind roller models including the RW1403HF, RW1404MR, and RW1504HF. As a direct OEM replacement, this part is built to the same specifications as the original component installed at the factory, ensuring correct porting alignment and sealing integrity within the hydraulic or fluid circuit. Fitment covers RW1404MR units at S/N 326075 and up, RW1504HF units up to S/N, and P33/24 HHMR-BD with blade configurations. Verify your serial number range before ordering to confirm compatibility with your specific machine.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original tolerances, ensuring correct port sizing and pressure ratings specific to the RW-series roller hydraulic circuit.
- Direct-Fit Replacement — Matches the original manifold mounting pattern and connection points, allowing straightforward installation without reworking surrounding components.
- Broad RAMMAX Roller Compatibility — Confirmed fitment across RW1403HF, RW1404MR (S/N 326075 and up), RW1504HF (up to S/N 1534188), and P33/24 HHMR-BD with blade configurations.
- Consistent Flow Distribution — A properly functioning manifold maintains balanced fluid distribution across circuits; a cracked or failing manifold leads to pressure loss, erratic roller behavior, and potential damage to downstream components.
- Serial Number Specific — Fitment is serial-number-dependent on select models; always cross-reference your machine's S/N to ensure this is the correct manifold for your unit.
A manifold in a walk-behind roller serves as the central routing block for hydraulic or fluid passages, directing flow between the pump, control valves, and drive or vibration circuits. It consolidates multiple fluid pathways into a single precision-machined component, which keeps plumbing clean and ensures each circuit receives the correct flow and pressure. When a manifold cracks, corrodes, or develops internal leakage, the roller can exhibit loss of drive power, inconsistent vibration output, or uncontrolled fluid loss — all of which affect compaction quality and can accelerate wear on connected hydraulic components.
Part Details
| Part Number | 05421 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Manifold RW-1403FM |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | RW1404MR S/N 326075 and up |
| Rollers | RW1404MR |
| Rollers | P33/24 HHMR-BD w/Blade |
| Rollers | RW1403HF |
| Rollers | RW1504HF up to S/N 1534188 |
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.
