Kirloskar make 25HP diesel engine of 1500 RPM, Engine drives both one side Bitumen pump from pulley V belt system & other side air compressor by pulley -V belt system . Standard I.R. of ELGI make double cylinder 3 HP, Pressure 9 Kg/Sq. cm . Air compressor operates pneumatic pressure valve open /close for cleaning bitumen pump pipelines and burner air purpose . Available with the capacity of 3 to 12 tones