The Wacker Neuson Master Cylinder is a genuine OEM component designed for G120, G125, G160, and MGT3S series mobile generator units, including skid-mounted, cold weather, custom, and dual-axle trailer configurations. As a direct factory replacement, this part is manufactured to the same specifications as the original, ensuring a correct fit within the braking system of these trailer-mounted generator sets. Wacker Neuson's genuine OEM designation means you're sourcing the exact part engineered for your machine — not an approximation. Confirm your generator's model and machine number before ordering to ensure the is the right match for your specific configuration.
Key Features
- Genuine OEM Hydraulic Precision — Manufactured to the original bore diameter and seal tolerances, ensuring correct hydraulic pressure output within the braking circuit.
- Direct Bolt-In Replacement — Matches the original mounting points and hydraulic line connections on compatible generator trailer frames, requiring no modification to the brake system plumbing.
- Broad Generator Family Fitment — Compatible across the G120, G125, G160, and MGT3S mobile generator lines, covering skid-mounted, cold weather, custom, and dual-axle surge brake configurations.
- Consistent Brake Actuation — A properly functioning master cylinder delivers smooth, predictable hydraulic pressure to the wheel brakes; a worn unit can cause spongy pedal feel, brake fade, or total braking loss on trailer tow operations.
- Surge Brake System Compliance — Correctly rated for the surge brake assemblies used on MGT3S dual-axle trailer units, supporting safe towing behavior under load.
The master cylinder is the hydraulic heart of a trailer brake system. When the towing vehicle decelerates, the surge coupler compresses and actuates the master cylinder, which converts that mechanical motion into hydraulic pressure distributed to each wheel's brake caliper or drum. A degraded or leaking master cylinder reduces braking force, creates inconsistent stopping behavior, and can pose a serious safety risk when towing heavy generator equipment on public roads or across active worksites. Replacing a failed unit with the correct OEM part restores full, predictable braking performance and keeps the trailer operating within its designed safety parameters.
Part Details
| Part Number | 5000152225 |
|---|---|
| Old Part Number | 0152225 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Master Cylinder |
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, 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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