1013 water-cooled diesel engine model and code meaning
	  Example: B         F          6         M        10      13       E C P
	         Ⅰ        Ⅱ         Ⅲ       Ⅳ        Ⅴ       Ⅵ          Ⅶ
	  Ⅰ. Engine charging form, gas engine or marine engine
	    . A  mechanical turbocharger
	    . B  Exhaust gas turbocharging
	    . G  gas - Otto engine (spark plug ignition type)
	    . R  reversible marine engine
	    . S  irreversible marine engine
	    . W diesel - gas engine (dual fuel)
	    . Z  aviation fuel injection engine
	  Ⅱ. Engine type
	    . A  four-stroke medium power engine
	    . T  two-stroke engine
	    . F  high-speed, four-stroke engine
	    . V  four-stroke high-power engine
	  Ⅲ. Number of cylinders     . 1  - 1 cylinder     . 2  - 2 cylinders     . 3  - 3 cylinders     . ......  
	
	
	
	
	  IV. Cooling method
	    . L  air-cooled ( cylinder )
	    .M  water cooling ( coolant ) or oil cooling
	  V. Engine series instructions
	    . 912 (9-ninth series, 12-piston stroke, the same below)
	    . 913
	    . 1012
	    . 1013
	    . 2012
	    . 1015
	    .413F
	    .513
	    .......
	  VI. Piston stroke centimeters (nominal value)
	    Explanation: The nominal stroke of the piston is 12 , 13 , 15 , and so on.
	  VII. Engine-specific feature codes
	    . A  variety of fuel engines, Deutz way
	    . B  high altitude configuration
	    . C  Air - air intercooler
	    . E  Take the water tank cooling system (commonly used in common form)
	    . There are big changes in F 
	design     . G.  Improvement of direct injection for forklift use
	    . H  horizontal engine (horizontal, non-vertical)
	    . K  piston cooling (using piston cooling nozzles)
	    . L  long stroke improvement
	    . M  a variety of fuel engines, Man way
	    . P  enhanced type (enhanced model)
	    . R  inline engine
	    . S  suction fan cooling
	    . T  low pressure turbo
	    .U  air - cooling water intake and intercooling
	    . V V engine layout
	    . W  two-stage combustion low emission type
	    . X  axial fan, horizontal
	    . Y  axial fan, vertical
	    . X  center injection and low-pressure turbocharging
