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卡特彼勒最近将该公司的小型装载机进行了升级.新的B系列装备了新的涡轮增压发动机,改进的液压系统,重新设计的操纵台部件,以及一些据称为提高可靠性和维修性的设计。取代了原来的247、257、267、277和287型的Cat 247B、257B、267B、277B和287B多种地南装载机的橡胶履带式，综合了卡特彼勒滑移转向式装载机和悬架式履带底盘的技术，通过24个滚轮的接触点，将机器重量平均分布到1500mm的履带长度上，以获得总体的低对地比压。
Caterpillar recently upgraded the company’s small loader with new turbocharged engines, improved hydraulics, redesigned console components, and a number of purported improvements in reliability and repair Sexual design. Replaced the original 247, 257, 267, 277, and 287 Cat 247B, 257B, 267B, 277B and 287B rubber crawlers for a variety of South Loaders that combine Caterpillar Skid Steer Loaders and Suspension Caterpillar chassis technology, through the contact point of 24 rollers, the average weight of the machine distributed to 1500mm track length, in order to obtain the overall low pressure on the ground.