Multifunctional diesel engine oil pan

The utility model discloses a multifunctional diesel engine oil pan which comprises an oil pan body, the bottom of the oil pan body is arranged in a plane mode, and a plurality of functional connectors are arranged on the oil pan body. The functional interface comprises an engine oil drain port, a lower end engine oil drain port, a left engine oil dipstick port, a right engine oil dipstick port, a left engine oil filling port, a right engine oil filling port, an oil-gas separator port and a supercharger oil return port; the oil pan is designed to be a flat oil pan, the depth of the oil pan body is reduced, and therefore the overall height of an engine is reduced, engine oil drainage openings are additionally formed in the lower portion of the rear end of the oil pan body, and according to different application working conditions, the oil drainage positions can be selected independently, and engine oil ruler openings are additionally formed in the left side and the right side of the oil pan body respectively.