The Multiquip 7961000013 is a genuine OEM Rotor Assembly BLW-400SSW designed for the BLW-400SSW welder. As a factory-original component, it is manufactured to the same specifications as the part it replaces, ensuring correct electrical output and mechanical fit within the alternator/generator section of the machine. This assembly is verified to work with BLW-400SSW series equipment, making it the straightforward choice for a dependable, like-for-like restoration of your welder's generating capacity.
Key Features
- Factory-Wound to Spec — Genuine OEM construction means the rotor windings, core dimensions, and pole configuration match the original BLW-400SSW electrical design exactly.
- Direct Drop-In Replacement — Machined to the original shaft diameter and bearing seat dimensions, this rotor installs into the existing housing without rework or adaptation.
- BLW-400SSW Compatibility — Confirmed fitment for BLW-400SSW welders; use part number 7961000013 to verify you have the correct assembly before ordering.
- Restores Full Power Output — A worn or damaged rotor causes voltage fluctuation, loss of arc stability, and reduced welding performance; replacing it with a correctly spec'd assembly brings output back to rated capacity.
- Electrical Safety Assurance — Correct rotor balance and insulation integrity are critical in welding applications; an OEM assembly eliminates the risk of imbalance-induced vibration or insulation breakdown under sustained load.
The rotor is the rotating core of the machine's alternator or generator section, responsible for creating the magnetic field that induces electrical current in the stator windings. As the engine drives the rotor at speed, its field coils generate the voltage needed to power the welding arc and any auxiliary outputs on the machine. When a rotor fails — through worn windings, insulation breakdown, or physical damage — the machine will produce little to no usable output voltage, making arc welding impossible until the component is restored.
For questions about fitment or to confirm this is the correct part for your BLW-400SSW, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 7961000013 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Rotor Assembly BLW-400SSW |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | BLW-400SSW |
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.
