Farm machinery oil quality is directly related to whether can normal operation of agricultural machinery. If the farm machinery oil quality closes nevertheless, not only making it easier for the agricultural machinery malfunction, and for agricultural machinery itself can also cause a lot of damage. Therefore, it is important to note that in the selection of farm machinery oil. Here has a simple 4 steps identification methods, in general is "see smell touch shaking" :
1, see: product appearance.

Different kinds of oil products have different color appearance.. Observe the appearance of the product color, hair light, color is more light fraction and depth of refined oil, the darker, more is do not have a high level of residual oil, refined oil, or heavy distillate oil.

2, smell, smell the smell of the oil.
The smell of the oil generally divided into ignorance, kerosene, gasoline, diesel, alcohol, aromatic flavour, acidity and so on. Add additive product, has the certain acidity; With alcohol composition of oil, have alcohol flavor; Light of solvent oil, aromatic flavour.
3, touch: touch oil soft and smooth feeling.
Refined good oil fingerprint smooth feeling strong, refined oil smooth feeling bad. Grease can roughly tell different type and degree of hardness and softness, small soft, large number of relatively hard.
 wave 4 after observing oil thick loose degree.
The product is colorless glass bottles of shaking, and observe the oil film hanging bottle and the phenomenon such as the generation of air bubbles and disappear fast, can distinguish between basic oil of different grades. Low viscosity oil, bubble, fast rise and disappear too fast, hang bottle; the less The viscosity of oil, less produce bubbles, slow rise and disappear is slow, but the oil bottle is more.