The Multiquip 1640464010 Alternator Assembly is a genuine OEM component designed for the DAW-500S diesel arc welder. Sourced directly from Multiquip, this assembly meets the original electrical output specifications required to keep the welder generating consistent power. If you're dealing with charging failure, low output voltage, or a dead electrical system on your DAW-500S, this is the correct OEM replacement to restore full operation.
Key Features
- Correct Output Specification — Genuine OEM construction ensures the alternator delivers the exact voltage and amperage rating the DAW-500S electrical system is engineered to receive.
- Direct-Fit Assembly — Designed as a complete assembly for the DAW-500S, this unit installs into the existing mounting points without modification to brackets or wiring harness connectors.
- Confirmed DAW-500S Fitment — Verified for the Multiquip DAW-500S diesel arc welder, so you can order with confidence knowing this is the right part for your machine.
- Sustained Electrical Performance — A properly functioning alternator keeps the welder's battery charged and the electrical system stable under continuous load — a worn or failed unit leads to erratic output, starting failure, and potential arc interruption during operation.
- Electrical System Safety — An OEM-spec alternator ensures proper voltage regulation, protecting sensitive electrical components on the DAW-500S from overcharge or undervoltage conditions that can cause premature failure.
The alternator assembly is responsible for generating electrical power while the engine is running, converting mechanical energy from the engine into the DC current that charges the battery and powers the machine's electrical system. On a diesel arc welder like the DAW-500S, a functioning alternator is critical to maintaining a stable power supply throughout extended welding operations. When the alternator begins to fail, symptoms typically include a battery that won't hold a charge, warning lights on the panel, or a complete loss of electrical function — all of which halt work until the unit is replaced.
Part Details
| Part Number | 1640464010 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Alternator Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW-500S |
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.
