Multiquip 0601840073 Rheostat, Voltage Regulator, 2W 1KΩ

The Multiquip 0601840073 is a genuine OEM Rheostat, Voltage Regulator, 2W 1KΩ designed for the DCA Ultra-Silent and Super-Silent diesel generator series. This precision resistive control component is a direct OEM replacement sourced through Multiquip's authorized parts program, ensuring the correct resistance specification for your generator's voltage regulation circuit. Compatible across an extensive range of DCA generator models including the DCA25SSI, DCA45SSIU, DCA70SSJU, DCA125SSJU, DCA150SSJU, DCA220SSJU, DCA300SSJU, DCA400SSI, and many additional DCA series variants, this part covers a broad span of Multiquip's portable diesel generator lineup.

Key Features

• Correct Resistance Specification — Rated at 2W and 1KΩ to match the precise electrical parameters required by the DCA generator voltage regulation circuit, preventing over- or under-voltage output.
• Genuine OEM Component — Sourced directly through Multiquip's authorized parts program, this rheostat meets the same design and material standards as the original installed component.
• Direct Drop-In Replacement — Engineered to install in the same position and connect to the same terminals as the original, eliminating guesswork during voltage regulator servicing.
• Broad DCA Series Compatibility — Fits a wide range of Multiquip DCA Ultra-Silent and Super-Silent diesel generator models from compact portable units up to large-frame industrial generators.
• Stable Voltage Output — A properly functioning voltage regulator rheostat keeps generator output voltage within the correct operating band, protecting connected equipment and load systems from fluctuations.
• Electrical System Safety — Using the correct resistance-rated component in the voltage regulation circuit is critical to preventing electrical faults, regulator damage, and unsafe output conditions.

The voltage regulator rheostat is a variable resistive component used to fine-tune and stabilize the output voltage of a diesel generator. It works within the automatic voltage regulator (AVR) circuit to adjust the excitation current supplied to the alternator, keeping the generator's output voltage steady under changing load conditions. When this rheostat degrades, develops an open circuit, or drifts out of its rated resistance range, the generator may produce unstable voltage, fail to hold the correct output under load, or prevent the AVR from responding accurately — all of which can damage connected equipment or cause the generator to shut down on a fault.

For fitment questions or to confirm compatibility with your specific DCA generator model, contact the DHS Equipment parts team for assistance.

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.