近年来,拖拉机底盘的核心——变速箱的技术飞速发展,国内很多企业都掌握了比较高端的同步器换挡技术,在很多机型上实施,大大提升了换挡技术水平,使驾驶员的操作状况得到改善。在此基础上,业内众多企业以换挡技术为核心,在电控发动机、电液控制提升器及闭式液压回路系统等部件和技术上投入力量,取得了可喜的突破与进展。行业中技术领先的企业已经研制出几十个 In recent years, the core of the tractor chassis - the rapid development of gearbox technology, many domestic enterprises have mastered the relatively high-end gear shift technology, implemented on many models, greatly improving the shift technology, the driver’s Operating conditions improved. On this basis, many enterprises in the industry shift technology as the core, in the electronically controlled engine, electro-hydraulic control and closed-loop hydraulic circuit system components and technologies to invest strength, made gratifying breakthroughs and progress. Dozens of technology-leading companies in the industry have been developed