Large, heavy equipment faces significant challenges in fire protection; they often require substantial investments in protection of lives and property. The fire detection and extinguishing system ANSUL CHECKFIRE is a cost effective solution for fire detection and fire suppression of vehicles used in extreme environmental and load conditions. The system of fire detection and fire extinguishing activation CHECKFIRE is used as standard with the fire extinguishing system ANSUL designed for vehicles to provide 24/7 equipment protection. Continuous equipment protection starts with fire detection at early stages. The exclusive electronic detection and fire extinguishing system ANSUL CHECKFIRE provides detection, warning, shutdown of equipment and activation of the fire extinguishing system – all these operations are performed automatically if required.