The Multiquip 57439 Hydraulic Fitting RW-3015 P54/KA/KA4B is a genuine OEM hydraulic fitting designed for KA4B and RW-3015 series RAMMAX ride-on rollers. This OEM component is sourced directly through Multiquip to ensure it meets the exact specifications required for these machines. Sourced through DHS Equipment, the part is the correct replacement fitting to restore a secure, leak-free hydraulic connection on compatible roller models. If your machine is showing signs of hydraulic fluid loss or reduced system pressure, replacing this fitting with the correct OEM part is the right first step.
Key Features
- OEM-Grade Hydraulic Sealing — Manufactured to the precise thread form, taper, and material spec required to hold system pressure without seepage or drip-back in demanding roller applications.
- Direct-Connect Replacement — Threads directly into the existing hydraulic port on KA4B and RW-3015 roller hydraulic circuits with no modification to lines or fittings required.
- Confirmed Fitment for KA4B and RW-3015 — Verified for use on Multiquip RAMMAX KA4B and RW-3015 ride-on roller models within the P54 platform.
- Maintains Hydraulic System Integrity — A correctly seated hydraulic fitting keeps operating pressure consistent, ensuring the roller's drive and vibration circuits perform as intended across the full compaction cycle.
- Hydraulic Safety Compliance — Using the correct rated fitting prevents pressure bleed-off and reduces the risk of hydraulic line failure under load — a critical consideration on any hydraulic-driven roller.
A hydraulic fitting is a threaded connector that joins hydraulic hoses, lines, or ports within a machine's hydraulic circuit, allowing pressurized fluid to flow between components such as pumps, motors, and control valves. On ride-on rollers like the KA4B and RW-3015, the hydraulic system powers both the drive and the drum vibration functions — so a damaged or leaking fitting can cause loss of drive response, inconsistent compaction force, or complete hydraulic failure. Replacing a worn or cross-threaded fitting promptly with the correct OEM part keeps the hydraulic circuit sealed and the machine operating at full capacity.
For fitment questions or help confirming this part is right for your machine, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 57439 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Hydraulic Fitting RW-3015 P54/KA/KA4B |
Compatibility & Fitment
| Name | Model |
|---|---|
| KA4B | KA4B |
| RW-3015 | RW-3015 |
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.
