Used to extract soybean oil, cotton seed oil, palm fruit oil, cotton seed oil, peanut oil and sunflower oil, Double Chamber Expellers are provided with a heavy duty double reduction gear box construction. These are the models of superlative workmanship that also boast of the capacity to yield radial axial loads for the task of seed crushing. Also, these feature hollow drive sleeve setting that enables the main worm shaft to get rid of operational difficulty. These industrial expellers for oil extraction as well as oil seed extraction have Automatic, Semi-Automatic and Manual operation modes. Double Chamber Expellers are provided with water cooling provision.