Bobcat旗下7款500系列装载机现已升级,可满足Tier4-F排放标准,具体型号分别为S510型、S530型、S550型、S570型和S590型滑移装载机,以及T550、T590紧凑型履带式装载机。由于发动机采用了特殊设计的燃烧室,可减少颗粒物数量,因此上述机型均不再需要柴油颗粒过滤器。相比Tier 4-I阶段的机型,发动机转矩提升了4%~12%。设备保护系统可监 The Bobcat 7 500 Series Loaders have been upgraded to meet Tier 4-F emission standards for the S510, S530, S550, S570 and S590 skid steer loaders and the T550, T590 compact track Loader. As the engine uses a specially designed combustion chamber, can reduce the number of particles, so the above models are no longer required diesel particulate filter. Compared to Tier 4-I stage models, engine torque increased by 4% to 12%. Equipment protection system can monitor