The Wacker Neuson Armature Exciter is a genuine OEM component designed for the G25 Generator series, covering Standard, Cold Weather, Custom, Extended Run, and Mobile configurations across T4F, T4i, and T4 emissions tiers. As a direct OEM part sourced through authorized Wacker Neuson supply channels, the is built to the same specifications as the original unit installed at the factory. This exciter armature fits an extensive range of G25 variants — including URI HVAC, Battlefield, Sunbelt Custom, and Skid Mounted models — making it the correct choice whether you are servicing a fleet unit or a specialized mobile generator. Confirm your model number against the fitment list before ordering to ensure a proper match.
Key Features
- OEM Electrical Output Specification — Wound and calibrated to the same excitation output spec as the original, maintaining correct voltage regulation across the G25 generator's operating range.
- Drop-In Armature Replacement — Engineered to the original shaft dimensions and winding configuration, allowing direct installation into the exciter housing without reworking the assembly.
- Broad G25 Series Coverage — Fits Standard, Cold Weather, Custom, Extended Run, Mobile, Skid Mounted, URI HVAC, and Battlefield variants across T4, T4i, and T4F emissions tiers.
- Stable Power Generation — A correctly functioning exciter armature sustains the magnetic field needed for consistent AC output; a worn or shorted armature causes voltage instability, underperformance, or complete loss of generator output.
- Electrical Safety Integrity — Genuine OEM windings and insulation materials meet the original design tolerances, reducing the risk of insulation breakdown or arcing that can result from non-spec replacement components in a live electrical assembly.
The exciter armature is the rotating winding within the generator's exciter assembly that produces the magnetic field used to energize the main rotor. As it spins, it induces current into the exciter stator, which is then rectified and fed to the main field winding — ultimately controlling the voltage output of the entire generator. When the exciter armature degrades through wear, heat damage, or winding failure, the generator loses the ability to self-excite, resulting in no output voltage or severely fluctuating power that can damage connected equipment.
Part Details
| Part Number | 5100062008 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Armature Exciter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G25 Generator, Custom T4i | G25 | 5000620642, 5000620640, 5000620709, 5000620641, 5200005557, 5200003991, 5000620931, 5200001316, 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200009375, 5200009374, 5000621005, 5100041584, 5200022587, 5100041580, 5100041592, 5100017591, 5100022834, 5100041581, 5100041582, 5100041583, 5100042510, 5100042512, 5100042509, 5100042508 |
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.
