The Multiquip 0601820660 Automatic Voltage Regulator is a genuine OEM component designed for DCA25ESI, TLG8SSK4F, and TLG8SSK4F2 series generators. This is a direct OEM replacement sourced through Multiquip's authorized parts program, ensuring correct electrical specifications for the alternator systems used in these units. Verified fitment covers the DCA25ESI ultra-silent generator as well as TLG8SSK4F and TLG8SSK4F2 diesel-powered generator models. When output quality matters on the jobsite, installing the correct AVR is the only way to protect sensitive connected equipment and maintain consistent power delivery.
Key Features
- Correct Output Regulation Specs — Genuine OEM construction ensures the voltage sensing and correction response matches the alternator's original design parameters, maintaining stable output under variable load conditions.
- Drop-In Electrical Connection — Engineered to connect directly to the alternator's existing wiring harness on compatible models with no splicing or adaptation needed.
- Confirmed Fitment — Verified for DCA25ESI, TLG8SSK4F, and TLG8SSK4F2 generator models; always cross-reference your model code before ordering.
- Stable Power Output Under Load — A functioning AVR actively corrects voltage fluctuations as load changes; a failed unit causes voltage swings that can damage connected tools, electronics, or lighting systems.
- Protects the Alternator Winding — Proper voltage regulation prevents overvoltage conditions that can overheat and degrade alternator windings, extending the service life of the full generating system.
The Automatic Voltage Regulator continuously monitors the generator's output voltage and adjusts the excitation current supplied to the alternator's field winding to keep output steady, typically within a narrow band around the rated voltage. Without a properly functioning AVR, load changes — such as a motor starting or a tool cycling on — cause voltage spikes or drops that can damage sensitive equipment and reduce power quality. When an AVR begins to fail, symptoms typically include fluctuating output voltage, unstable frequency, or a generator that runs but delivers unusable power.
For fitment questions or help confirming compatibility with your specific unit, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 0601820660 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Automatic Voltage Regulator |
Compatibility & Fitment
| Name | Model |
|---|---|
| Super-Silent Generators | DCA25ESI |
| Diesel Powered Generators | TLG8SSK4F |
| Diesel Powered Generators | TLG8SSK4F2 |
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.