Recently, 4 series of Yuchai excavators of Yuchai Engineering Machinery Co., Ltd., including YC55SR, YC75SR, YC155-8 and YC255LC-8, have done the national standard testing at the Yuchai testing field. Experts from the Construction Machinery Military Modified Vehicle Testing Field of the Machinery and Industry Ministry, carries out the tests on the facet size and quality, exterior radiant noises, equipment structure endurance, stability, fuel consumption and heat balance and so on.

The successful R & D of the 4 series of full hydraulic crawler excavators extend the product line of Yuchai excavators and increased the competitiveness of Yuchai medium-size and no-tail excavators. The 4 series products will put on market after the national standards tests. They will provide more benefits and choices for users based on the Yuchai excavators of the high cost-effective ratio.

Author：Lin Guangyu