The Multiquip A4138000003 Field Assembly Exciter is a genuine OEM component designed for the GDP-5H High Cycle Generator. This is a direct OEM replacement sourced through Multiquip's authorized parts supply chain, ensuring the part meets original design specifications for the GDP-5H. Confirm your model code against your equipment's serial plate before ordering to ensure compatibility with your specific unit.
Key Features
- Genuine OEM Winding Construction — Manufactured to the original electromagnetic winding specifications required by the GDP-5H exciter circuit, maintaining correct field current output.
- Direct Drop-In Replacement — Matches the original mounting configuration and connector interface of the GDP-5H generator's exciter assembly for a straightforward service swap.
- GDP-5H Compatibility — Engineered specifically for the Multiquip GDP-5H High Cycle Generator; verify your model code before ordering.
- Stable Voltage Regulation Support — A properly functioning field assembly exciter maintains the magnetic field needed for consistent AC output — a failed unit results in loss of voltage regulation or complete power loss.
- Electrical Integrity — Correct resistance values and insulation class are critical in exciter field assemblies; this genuine OEM unit meets the original electrical safety and performance requirements for the GDP-5H.
The field assembly exciter is a core component of the generator's excitation system, responsible for producing the magnetic field that allows the main alternator to generate AC power. Without a functioning exciter, the generator cannot build or sustain voltage output — even if the engine runs normally. When the field assembly wears out or fails, symptoms typically include no voltage output, erratic voltage, or the generator failing to come online under load. Replacing it with a correctly specified unit restores the generator's ability to deliver stable, usable power.
For fitment questions or to confirm this part is correct for your GDP-5H, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | A4138000003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Field Assembly Exciter |
Compatibility & Fitment
| Name | Model |
|---|---|
| High Cycle Generator | GDP-5H |
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.