The Wacker Neuson Surge Brake Axle is a genuine OEM component designed for G120, G125, and G160 mobile generator sets and MGT3 series dual-axle generator trailers. As a direct OEM replacement, is manufactured to the same specifications as the original part, ensuring consistent fit and correct brake system function across all covered configurations — including skid-mounted, cold weather, and custom mobile generator variants. Compatibility extends to both the MGT3E electric brake trailer and the MGT3S surge brake trailer, making this axle a versatile stock item for fleets running multiple generator trailer types.
Key Features
- Genuine OEM Surge Brake Engineering — Matched to the hydraulic surge brake system's activation tolerances, ensuring the axle responds correctly to deceleration forces without over- or under-braking.
- Drop-In Fitment for G-Series and MGT3 Trailers — Designed to install directly into G120, G125, G160, MGT3E, and MGT3S trailer configurations without custom modification to mounting points or brake hardware.
- Covers Multiple Generator Trailer Variants — A single part number spans skid-mounted, cold weather, and custom mobile generator trailer builds, simplifying parts inventory for mixed fleets.
- Maintains Trailer Braking Integrity — A worn or damaged surge brake axle can cause erratic or failed trailer braking; replacing with the correct OEM part restores predictable, consistent stopping behavior under load.
- Critical Safety Component — As part of the trailer braking system, this axle directly affects towing safety on public roads. Using a verified OEM part supports compliance with trailer brake regulations and protects operators and other road users.
The surge brake axle is the structural and functional core of a surge-actuated trailer brake system. As the tow vehicle decelerates, the trailer's forward momentum compresses the surge coupler, which hydraulically actuates the brakes through the axle assembly — no electrical connection to the tow vehicle required. When the axle is worn, bent, or otherwise compromised, the brake actuation becomes inconsistent, which can result in trailer push, extended stopping distances, or complete brake failure during towing. Keeping this component in serviceable condition is essential for safe transport of mobile generator equipment on public roads and job sites.
Part Details
| Part Number | 5000152234 |
|---|---|
| Old Part Number | 0152234 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Surge Brake Axle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator (Cold Weather ) | G120 | 5000620291, 5000620290, 5000620292 |
| Skid-mounted Mobile Generator | G160 | 5000009306, 5000620069, 5000620070 |
| Mobile Generator (custom) | G125 | 5000620067, 5000620068, 5000009261 |
| Mobile Generator Dual Axle Tra iler, Electric Brake | MGT3E | 5000008241 |
| Mobile Generator Dual Axle Tra iler, Surge Brakes | MGT3S | 5000008240 |
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.
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