What should be noted when using tractors in winter?

In winter when temperatures are low, before starting, slowly add hot water at around 80°C to preheat the engine, which will help the tractor start smoothly. Diesel fuel should be selected according to the temperature: in winter, the pour point of the chosen diesel should generally be 5–10°C lower than the local minimum temperature to ensure the tractor operates normally. At the same time, keep the lubricating oil topped up and reduce the travel speed.