efficient braking system r305vs hyundai excavator

{"cid":"91220720","title":"R305VS Used 30.5t Hyundai Excavator And Cooling Capacity For Continuous Operation","imgUrl":"https:\/\/img.ismap.com\/nimg\/5a\/96\/77ad14b566c86a4963b87daf5166-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Hyundai","Model Number":"R305VS","Minimum Order Quantity":"1","Delivery Time":"5-8days","Certification":"CO\/ISO","Place of Origin":"Koera","Payment Terms":"L\/C, D\/A, D\/P, T\/T, MoneyGram","Supply Ability":"3000+","Moving type":"Crawler Excavator","Engine":"Origin","Make":"R305VS","Year":"2020","Speed":"6km\/h","Location":"Shanghai,China","Weight":"30.5tons","Color":"yellow","Model":"Hyundai Excavator"}}