Wacker Neuson 5000180747 Surge Brake Actuator 8000 Lb

The Wacker Neuson Surge Brake Actuator 8000 Lb is a genuine OEM component designed for the LTW20Z-1, LTW20Z-3, LTW6K, and LTW8K Light Tower series. Sourced directly through Wacker Neuson, this actuator meets the exact specifications required for safe and effective trailer braking on these towable light towers. Broad fitment coverage spans standard, cold weather, LED, custom, and Tier 4i configurations across the LTW light tower range, making part the correct choice for a wide variety of these machines in the field.

Key Features

• OEM-Rated Braking Capacity — Engineered to the 8,000 lb surge brake specification, delivering the consistent hydraulic actuator force required to engage trailer brakes reliably under tow load.
• Direct Bolt-On Replacement — Matches the original mounting interface and coupler geometry of LTW series light tower trailers, allowing straightforward installation without modification to the tongue or brake hardware.
• Broad LTW Series Fitment — Compatible with LTW20Z-1, LTW20Z-3, LTW6K, and LTW8K Light Towers across standard, cold weather, LED, custom, and Tier 4i build configurations.
• Maintained Braking Response — A properly functioning surge brake actuator compresses smoothly under deceleration forces, activating the trailer brakes in proportion to the tow vehicle's stopping input. A worn or seized actuator delays brake engagement, increasing stopping distances when towing heavy equipment.
• Tow Safety Compliance — Surge brake actuators are a regulated safety component on towable equipment trailers. Using the correct rated genuine OEM part helps ensure the braking system meets applicable towing safety requirements for work-site and road use.

A surge brake actuator is the hydraulic mechanism mounted at the trailer coupler that senses the deceleration force between the tow vehicle and the trailer. When the tow vehicle slows, the trailer's momentum pushes forward into the actuator, which compresses a hydraulic cylinder to apply the trailer's brakes automatically and proportionally — no electrical connection to the tow vehicle required. On towable light towers like the LTW series, which can carry substantial generator and mast weight, a fully functional actuator is critical to controlled stopping. When the actuator seizes, leaks internally, or loses travel due to worn components, brake engagement becomes sluggish or fails entirely, creating a significant hazard during transport.

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.

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