Harvest season brings a heightened fire risk and recent fire claims involving combine harvesters have revealed a troubling trend. Most incidents occurred while harvesting oilseeds, with fires typically igniting late in the day. All machines had been cleaned prior to use yet crop residue and fine dust were common ignition sources. Oil-rich crops such as sunflowers, canola and soya significantly increase flammability.
Why are fires still happening?
Despite proper maintenance, fires have been triggered by straw and dust buildup in hot zones. Heat and friction during extended operation can ignite debris, and small undetected fires may spread to fields. Highly flammable crop material accelerates fire spread.
Real-World Incidents In one case, a foreman spotted smoke from a distance and acted quickly by alerting the unsuspecting driver of the fire. His response, along with an onboard extinguisher, contained the fire. In another, a farmer’s bakkie-sakkie unit on standby prevented a total loss. Several drivers were unaware of fires starting behind or beneath them due to limited visibility from the cab.
Recommended Fire Prevention Measures
- Schedule midday cleaning and inspection to avoid relying on a single daily clean.
- Implement a fire watch strategy, with a second person monitoring equipment and fields from a look-out point, especially in the late afternoon.
- Equip machines with serviced fire extinguishers, and operators should be trained in their use.
- Have a standby firefighting unit (bakkie-sakkie), especially in remote areas where emergency response may be delayed.
- Train drivers to recognise early signs of fire, such as burning smells, smoke trails, and heat spikes.
- Treat crops like sunflower, canola and soya with extra caution due to their high oil content.
Stay Ahead of the Flame
Harvest time is short, but safety must never be rushed. With 6 proactive steps, brokers and farmers can protect lives, equipment, and yields.