- PARTS FOR CATERPILLAR STYLE J250/J300/J400/J450/J500/J550/J600/J650... - KOMATSU STYLE PC100/PC200/PC300/PC400/PC650... - ESCO STYLE 18S/25S/30S/35S/40S/45S... - JCB STYLE 53103205/53103208/53103209.... - H&L STYLE, HENSLEY STYLE, BOFORS STYLE AND SO ON. - BLADE: 5D9553,5D9554,5D9558,5D9559, 4T3034,4T3007,4T3036 and so on The intent of BY is to save you valuable time and expense by providing state-side quality inspections, engineering professionalism, inventory handling and excellent customer service. by utilizing our technical, commercial and logistical expertise in aiding the enhancement of your manufacturing needs. Decades of experience and strong teamwork have made communication, technical exchange, quality control and on-time delivery as easy as working with the individual in the office next to yours.