He coupling set is packaged with Series 2000 diesel engine and coupling,which delivers output power through hydraulic coupling reducing gear box with reduction ratio of 1.53.5.It is mainly used in oil drilling equipment and enginneering equipment such as dredger etc.
The transmission efficiency of coupling set is up to 95%.The set is able to prevent power overloading and prevent the complete equipment from being damaged.In addition,the coupling can drive at no-load and has high reliability.

• Main Specification

Series	Specification of diesel engine			Model of diesel engine	Model of coupling	Model of converter set	Overal dimension (L×B×H)(mm)	input power	Max efficiency	Centre height(mm)	Application
	ge (g/kW.h)	n(r/min)	Ne(kW)
2112	209	1200	740	G12V190PZL-1	G12V190PZL-1/O	G12V190PZL-1/O	695	95±2	53490×2040×2678	760	Power for drilling machine sandstand-alone pumpdredger
		1300	810	G12V190PZL-3	G12V190PZL-3/O	G12V190PZL-3/O	770
		1500	900	G12V190PZL	G12V190PZL/O	G12V190PZL/O	860
2108	219	1200	470	G8V190PZL-1	G8V190PZL-1/O	A8V190PZL-1O	430		4450×2040×2678
		1300	510	G8V190PZL-3	G8V190PZL-3/O	A8V190PZL-3/O	470
		1500	600	G8V190PZL	G8V190PZL/O	A8V190PZL/O	560

• Main technical data
  Number and layout of cylinders:12(8),60°Vee
  Type:four stroke,water cooled,turbocharged and aftercooled,direct injection
  Bore:190mm
  Stroke:210mm
  Total displacement:71.45L
  Compression ratio:14:1
  Dirction of rotation:counter-clockwise(facing to flywheel)
  Starting method:air motor,electric motor
  Lubricating method:pressure and splash lubrication