The Multiquip 4M8102232 Brake Actuator Demco 10K is a genuine OEM component designed for the DCA-125US ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this actuator is the correct specified unit for the DCA-125US trailer-mounted generator platform. If your existing actuator is leaking, corroded, or no longer engaging the brake system consistently, replacing it with the correct 4M8102232 unit restores the trailer's braking capacity to its original rated specification.
Key Features
- Demco 10K-Rated Hydraulic Surge Actuation — Built to the 10,000 lb gross trailer weight rating of the Demco actuator spec, ensuring the braking force matches the load demands of the DCA-125US generator trailer.
- Genuine OEM Part — Sourced directly from Multiquip, this is the factory-specified brake actuator for the DCA-125US, with no substitution or adaptation required at the coupler mount.
- Confirmed DCA-125US Fitment — Validated for the DCA-125US ultra-silent generator series, so you can order with confidence that this is the correct actuator for that platform.
- Restores Full Surge Brake Function — A worn or failed actuator reduces braking response under deceleration; this replacement brings the surge brake system back to full hydraulic engagement across the trailer's axle brakes.
- Trailer Brake Safety Compliance — Trailer-mounted equipment operating on public roads is subject to DOT braking requirements; installing the correct rated actuator keeps the unit compliant with applicable towing regulations.
The brake actuator is the heart of a hydraulic surge brake system on a trailer. When the tow vehicle decelerates, the actuator uses the forward momentum of the trailer to build hydraulic pressure, which is then sent to the wheel brakes on the trailer axle. Without a properly functioning actuator, the trailer's brakes cannot engage, placing additional stopping load on the tow vehicle and creating a significant safety hazard — particularly with a heavy load like a generator. A failed actuator may show signs such as fluid leaks at the coupler, spongy or absent brake engagement, or visible corrosion and damage to the actuator body.
DHS Equipment is an authorized Multiquip parts dealer. If you need help confirming that this part is the right brake actuator for your DCA-125US, contact our parts team before ordering.
Part Details
| Part Number | 4M8102232 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Brake Actuator Demco 10K |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-125US | DCA-125US |
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.