Whelen L31 - 4" Beacon

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Whelen L31 - 4" Beacon

Equip your heavy equipment with an indestructible 360-degree warning signal using the Whelen L31 Super-LED Beacon. Standard rotating halogen beacons are prone to mechanical failure from the intense vibration of heavy diesel engines and off-road driving. The Whelen L31 is 100% solid-state and built to survive. Featuring a heavy-duty powder-coated die-cast aluminum base and conformal-coated electronics, it shrugs off extreme shock, moisture, and road salt. Standing 4 inches tall, it projects a massive Super-LED warning footprint that commands attention on chaotic construction sites and highway work zones.

Key Features & Upfitter Specs

Super-LED Output: Utilizes high-intensity LED technology to project a blinding 360-degree warning signal that meets stringent SAE Class 1 and CA Title XIII specifications (Amber models).
Severe-Duty Construction: Built on a massive, powder-coated die-cast aluminum base that acts as a heat sink and provides extreme structural rigidity against off-road vibration.
28 Scan-Lock Patterns: Includes a built-in flasher with 28 selectable Scan-Lock patterns, including four simulated rotating patterns, allowing operators to customize the visual footprint.
Hard-Coated Dome: The polycarbonate dome features Whelen's proprietary hard-coating, heavily resisting the abrasive pitting from sand, road salt, and UV sunlight degradation.
Cross-Link Synchronization: Permanent mount models are fully synchronizable with up to eight other Whelen beacons, allowing for a unified, pulsing warning presence across the entire vehicle.

View Official Manufacturer Specs