Multiquip 58428 Lock Washer 6mm

The Multiquip 58428 is a genuine OEM Lock Washer 6mm designed for Multiquip RAMMAX roller equipment, including the RW1404, RW1504HF (up to S/N ), RW3010, and P33/24 FR/FC/FCR and P33/24 HHMR-BD w/Blade series. As a factory-sourced component, part 58428 matches the original hardware specification exactly, ensuring correct clamping load and thread engagement across all compatible assemblies. DHS Equipment supplies this part direct, so you can be confident you are getting the right washer the first time. Whether you are performing routine maintenance or a full mechanical rebuild, having the correct locking hardware keeps every fastened joint secure and torque-rated.

Key Features

• Genuine OEM Hardness Rating — Sourced directly from Multiquip, this 6mm lock washer meets the exact metallurgical hardness required to hold torque under the vibration loads produced by roller equipment.
• Drop-In Hardware Match — Sized and formed to the original 6mm spec, this washer seats flush against mating fastener heads and mounting surfaces without shimming or adjustment.
• Broad Roller Fitment — Confirmed for RW1404, RW1504HF (up to S/N 1534188), RW3010, P33/24 FR/FC/FCR, and P33/24 HHMR-BD w/Blade models.
• Vibration Resistance — Lock washers are a critical anti-loosening component; using the correctly rated washer prevents fastener back-out during compaction cycles, protecting surrounding components from damage.
• Cost-Effective Preventive Hardware — Replacing worn or deformed lock washers at each service interval is one of the lowest-cost ways to prevent joint failure and unplanned mechanical repairs on roller equipment.

A lock washer is a small but essential fastening component that sits between a bolt or nut and the mating surface to resist loosening caused by vibration, shock, and dynamic loading. On compaction rollers, where continuous vibration is the operating norm, lock washers play a direct role in keeping critical fastener joints secure throughout the machine's service life. When a lock washer is deformed, corroded, or missing, the fastener it backs up can gradually back out, leading to loose assemblies, misalignment, and in severe cases, structural joint failure that causes more extensive damage to the machine.

Part Details

Compatibility & Fitment

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.