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Combine Fire Response

A combine fire can move quickly because dry crop and dust surround the heat. The most important decisions are made before it starts: have a plan, and put your safety ahead of the machine.

Why can combine fires spread so fast?

Combines contain dry crop material, dust and chaff near hot engines, exhaust and bearings. Once a fire starts, it can spread into the machine and the standing crop quickly, helped by wind and the movement of the machine itself.

That speed is why the first decision matters: get yourself safe.

Smoke inside the cab can be disorienting, so know your exit routes and keep the cab door and steps clear of clutter. Move early rather than late, because the first minutes decide how things go.

• Dry fuel inside and around the machine
• Wind and movement spread flames
• Smoke can hide the fire

What is the basic plan?

Most guidance for operators can be summed up in plain terms: stop, get out, get away and call 911. Your own safety and the safety of others come before the machine. Machines can be replaced, and people cannot.

Specific techniques for using an extinguisher or approaching a fire should be learned from training, not from an article. Ask your fire department, equipment dealer or a recognized safety organization.

Never go back into the cab for a phone or personal item. A phone kept on your person solves this.

• Stop and shut down if you can safely
• Get out and away
• Call 911 with your location

What should I know before it happens?

Know your location. Fields often have no street address, so keep a field name, nearest road or coordinates ready. Keep a charged phone in the cab. Know where the extinguisher is and make sure it is maintained.

Teach every operator, including part-time help, the plan and practice it.

Share your field names with your dispatch center ahead of harvest if your fire department invites it. Share the plan with a neighbor who might notice smoke from the road.

• Know your field location
• Keep a phone in the cab
• Share the plan with every operator

Who decides whether to use an extinguisher?

Only a trained person should consider it, and only if the fire is very small, they have a clear way out and they are not putting themselves in danger. Many fire departments suggest that if you are unsure, you should not try.

Extinguisher use is a skill. Training from your local fire department or a recognized provider is worth your time.

Fire departments often run extinguisher classes where you can practice with a real extinguisher in a safe setting.

• Training first
• Clear exit always
• If unsure, do not try

What about the crop and the people nearby?

If the combine is in standing crop, the fire can spread to the field. Tell the dispatcher what is around and which way the wind is blowing. Move other machines, vehicles and people away from the fire.

Keep animals and bystanders back. Do not enter smoke to look for someone unless you are trained and equipped to do so, and call 911.

Think through your own what-if before the season. Where will you stand, who will you call and how will you describe your location? Saying the answers out loud with family makes them easier to remember under stress. If another machine is nearby, its driver can help by calling 911 while you move away from the combine.

• Warn others immediately
• Move vehicles away
• Tell dispatch about wind and crop

What happens after the fire is out?

Wait for responders to say the area is safe. Hot spots can reignite. Document what happened, take photos if it is safe and contact your insurance provider and dealer.

Review what worked and what did not. Update your plan and share the lessons with others in your area.

Call your insurer soon and keep notes on timing, location and who responded.

• Wait for the all clear
• Document and notify your insurer
• Review the plan

How can I prepare my family and workers emotionally?

A fire can be frightening, and people may feel guilt or fear afterward. Talk about it calmly and without blame. If someone is struggling, encourage them to reach out to a trusted person or professional. In the US, people can call or text 988 for support.

Fires happen even to careful farmers.

Keep cab floors and steps clear, and keep a windshield or door route open so you can leave from either side if one is blocked.

Last reviewed: November 12, 2026. Written by the Farm Safety Editorial Team. See our editorial policy.