The United Kingdom has been leading the world in terms of electric vehicle (EV) adoption rates, which has increased the risk of EV fires. While EVs are statistically less likely to ignite than internal-combustion vehicles, extinguishing them can be a real challenge for firefighters. In response, Hiload, a UK-based engineering company, has designed a specialized firefighting vehicle for EV fires based on a custom Toyota Hilux with a 6×6 drivetrain.
With an extended chassis and reinforced body, the Hiload 6×6 fire truck can carry over 6,600 pounds and features a ColdCut “Cobra” fire system. The Cobra Ultra High-Pressure Lance (UHPL) system, suspended in water, allows it to function as a sandblaster and extinguisher simultaneously. The UHPL system can cut a hole in the floor pan of a vehicle and inject water at a pressure of 4,351 psi throughout an EV’s battery module casing, helping prevent thermal runaway. This powerful system is great for extinguishing fires in electric vehicles.
An independent test conducted by the Swedish Civil Contingencies Agency showed that the Cobra system could prevent battery cell propagation within 10 minutes. With just 63 gallons of water, a mere 20 percent of the Cobra’s tank capacity. Despite its longer body, the Hiload 6×6 fire truck has a low ride height, enabling it to reach places where other larger firefighting vehicles for EV fires cannot. This capability is crucial in situations where lives are at stake.
While the Hiload 6×6 fire truck was specifically designed for EV fires, its unique features and capabilities may inspire new designs for other firefighting vehicles, including the Toyota Tacoma. Hiload’s modular design approach could also make it easier to incorporate new technologies in firefighting vehicles in the future.
Overall, with the increased adoption of EVs, specialized firefighting vehicles like the Hiload 6×6 fire truck may play an increasingly important role in ensuring the safety of people and property in the event of EV fires.
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