Selection of lubricating oil The diesel engine generally uses No. 20 diesel engine oil in winter. The gear oil has a high viscosity and is suitable for the lubrication of tractor gearboxes and gears. Tractor gear oil should be selected according to the ambient temperature. General requirements The freezing point of gear oil is lower than the operating environment of 6 °C ~ 10 °C. The tractor user is reminded here that it is strictly forbidden to use oil instead of gear oil, or to mix diesel oil and kerosene in the gear oil so as not to reduce its viscosity, weaken the lubrication performance, and accelerate gear wear. When replacing the oil, clean the oil filter, the filter, and the oil pan thoroughly to remove dirt and impurities.
When diesel oil (fuel oil) is selected as the diesel engine diesel brand, its freezing point should be lower than the local temperature of 5 °C ~ 10 °C. For example, if the minimum temperature in winter is between 0°C and -5°C, then -10# diesel is selected; the lowest temperature is -10°C~-15°C, and -20# diesel is selected; if there is no 20# light diesel, use Nos. 10 and 35 The use of light diesel fuel is also good. The minimum temperature is not lower than -30°C, choose -35 diesel; the lowest temperature in the high-cold area around -40°C, choose -50 diesel.
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