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What Size Fire Extinguisher Do I Need For My Truck?

A fire extinguisher is a great safety accessory to keep in your truck. It's an ideal tool for both daily drivers and off-road rigs.

Why You Want To Keep A Fire Extinguisher Or Two In Your Truck

Truck mount

If you don't already have a fire extinguisher in your truck or Jeep, you should consider getting one. Whether your truck is a daily driver, part of a work fleet, or what you take on weekend camping trips and rock crawls, having a fire extinguisher in your truck is beneficial.

Small fires are more common than you think. A small fire can easily occur from an automobile accident, and the right circumstances can turn it into a larger fire quickly.

Sometimes trucks catch on fire even if there isn't an accident involved. An electrical short or malfunctioning part can cause the truck to burst into flames. In fact, some heavy duty diesel Ram trucks were recalled in early 2021 because they were at risk for an engine fire. In 2020, Ford recalled some brand new F-150 trucks because they had an increased risk of an electrical fire.

Having a fire extinguisher on hand will decrease the damage done on your truck (or another vehicle). Having an H3R Performance HalGuard fire extinguisher means putting out electrical fires with a clean agent that reduces the risk of electronic damage as compared to powder-like fire suppression agents. No matter the cause, with a fire extinguisher ready, you'll be able to quickly tackle the flames before they spread.

Like so many truck and off-road enthusiasts you are probably looking out for fellow adventurers, so it's great to be ready if you come across another vehicle that's on fire. Your fire extinguisher could save another vehicle and/or the people inside.

If your fire extinguisher is a standard truck accessory, you'll have it ready in all situations. For example, you can use it to put out a grass fire while camping or hunting or when you're towing or hauling heavy items.

 Towing can cause some fire hazards. For example, safety chains can sometimes drag on the road. The chain can create sparks, which lead to small fires. If you're hauling toys like ATVs or snowmobiles, you probably also have extra fuel along in plastic containers or jerry cans. Anytime you're traveling with extra fuel, a Class B, UL listed fire extinguisher is a necessary item to bring along.

What Size Fire Extinguisher Should You Get?

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An extinguisher’s net agent weight is usually used to describe its size. A “5-pound extinguisher” actually has a gross weight of about 10 pounds, and it’s the largest extinguisher that you’ll typically find on a vehicle. Anything heavier is usually too big and bulky. To decide on the right size for your truck, take the following things into consideration:

  • Mounting constraints: Is there limited space in your truck's cab or bed? Bigger fire extinguishers are a great idea for campers and off-roaders and can normally fit in a seat mount in a truck cab. If there are space limitations preventing you from putting in a 5-pound extinguisher, opt for one of our 2.5-pound extinguishers.
  • The purpose of your truck: If your truck's a daily driver, a 1-pound or 2.5-pound extinguisher may be fine. If you tow, go off- road driving, and/or go on long trips often, you may want a bigger extinguisher or consider carrying more than one.

We have a couple of suggestions:

  • Get the biggest fire extinguisher you can mount in your truck. It's always better to be safe than sorry.
  • Get two fire extinguishers for your truck: one for the cab and another one for the truck bed. The extinguisher in the cab should be easy to get to fast. The one in the truck bed will be more accessible for issues related to cargo, outdoor activities, etc.

Finding The Right UL Listing That Meets Your Needs

Ul rating

If you want a reliable fire extinguisher, get a UL listed one. UL stands for Underwriters Laboratories. It's a company that tests and certifies products to make sure they meet specific safety standards. You can find a UL listed fire extinguisher from several different brands.

You shouldn't get just any UL listed extinguisher, though. There are four different classes of fire extinguishers: A, B, C, and D. Each class is designed to put out a certain type of fire:

  • Class A extinguishers are suitable for putting out fires in typical combustibles like wood and paper.
  • Class B extinguishers are designed for use on flammables like grease, gasoline, and oil.
  • Class C fire extinguishers are meant to be used on electrical fires.
  • Class D extinguishers are best for flammable metals.

As a rule of thumb, get an extinguisher that's suitable for the type of fire you'll most likely encounter. For example, if you have a truck, you're more likely to deal with electrical fires than wood-ignited fires. Many fire extinguishers are multi-purpose. They'll be labeled with more than one class. For example, the best extinguishers for automotive-related fires are usually labeled Class B and Class C because these are most effective on electrical fires and gasoline/oil fires.

H3R Performance Fire Extinguishers Are Ideal For Trucks

H3R Performance has UL listed fire extinguishers that are great for protecting trucks.

We offer two different types of fire extinguishing agents:

  1. HalGuard: A clean agent that leaves no hazardous residue to remove.
  2. MaxOut: A dry chemical that has non-caking, free-flowing additives..

Both of these fire extinguishers are rated for class B and C fires, making them ideal for automotive use. They are available in the following sizes:

  • 1 pound - MaxOut only
  • 1.4 pounds - HalGuard only
  • 2.5 pounds
  • 5 pounds

Please contact us if you need help finding the right H3R Performance fire extinguisher for your truck.

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