SW240E Crawler Excavator The machine was awarded as the "high quality products" by the Machine Industry Ministry(MIM) in 1985, the "important technology progress" in 1987, the "high quality products" by the MIM as well as the "high quality export products" by the Shanghai Authority in 1989 and the "famous products" by the MIM in 1997. The PD6Y is produced according to the imported technology of Caterpillar D6D. The SH-410 is so far the most powerful bulldozer in China and is produced according to the technology of Komatsu D355A.