Multiquip C1138000003 Field Assembly Exciter

The Multiquip C1138000003 Field Assembly Exciter is a genuine OEM component designed for DCA-series Super-Silent and diesel-powered generators, including DCA180, DCA220, and DCA250 series units. As an authorized Multiquip replacement part, C1138000003 is manufactured to the same specifications as the original, ensuring correct electrical output and proper integration with the generator's alternator system. This part is confirmed to fit a wide range of DCA-series models — including Isuzu, John Deere, Kubota, and Volvo-powered variants — making it the correct choice when restoring exciter function to your generator. Order with confidence knowing you're receiving a direct OEM replacement backed by Multiquip's parts program.

Key Features

• Correct Excitation Output: — Wound and rated to match the original exciter field specifications, maintaining proper voltage regulation across the alternator system.
• Genuine OEM Part: — Sourced directly from Multiquip, this assembly carries the same part number and construction as the unit installed at the factory, eliminating guesswork on compatibility.
• Broad DCA-Series Fitment: — Fits DCA180, DCA220, and DCA250 series generators across multiple engine configurations, including Super-Silent (SSJ, SSK, SSV, SSI, SSC) and Tier 4 variants.
• Alternator System Integrity: — A functioning field assembly is essential for stable power output; a failed exciter results in loss of voltage generation, taking the generator offline entirely.
• Drop-In Replacement: — Engineered to install directly into the alternator housing of compatible DCA-series units with no modifications to mounting or wiring connections.

The field assembly exciter is a core winding component within the generator's alternator. It produces the rotating magnetic field that induces current in the main stator windings, which in turn generates the AC power output the machine delivers to connected loads. When the field assembly fails — whether through winding breakdown, insulation failure, or heat damage — the alternator loses its ability to excite and voltage output drops to zero, rendering the generator inoperable. Replacing a worn or failed exciter with a correct OEM assembly restores the alternator's ability to self-excite and deliver stable, regulated power output.

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.