This type of hydraulic coupler adopts an independent fan cooling system for the ahead gear box, which is suitable for the selection of all types of drilling rigs.

​Series 4000 long-stroke diesel engines have reached the international level in terms of power, economy, and reliability.

Gas and air are mixed in front of the compressor, and the gas inlet pressure is required to below;

Long mixing distance between gas and air and uniform mixing

the 2000 series diesel engine has been greatly improved in terms of improving the reliability, economic performance, and power performance of diesel engines, solving three leaks, appearance quality, and maintenance, etc.

Series 3000 diesel engine is a new generation diesel engine developed by Jichai to meet the demand of the developing petroleum industry and improve the advancement and reliability of China's drilling equipment.

The dynamic performance, economic performance, reliable performance, and other indicators of the product have reached the international level

Series 6000 land-used diesel engine is developed by Jichai with Austria AVL company and domestic well-known colleges and universities, research institutes