JONYANG JY640 CRAWLER EXCAVATOR

Technical Description

The Jonyang JY640 is a mid-size hydraulic excavator engineered for versatile construction and earthmoving applications. Powered by a Cummins M11-C315 diesel engine delivering 315.2 horsepower and 235 kilowatts, this machine provides robust performance for demanding jobsite conditions. The excavator features impressive operational reach capabilities, with a maximum cutting height of 40.1 feet, digging depth of 25.5 feet, and ground reach of 39.7 feet, making it suitable for deep excavation and elevated material handling tasks. The machine operates at a maximum travel speed of 4 miles per hour with a ground pressure of 11.2 psi, distributing its 80,000-pound operating weight effectively across track shoe dimensions of 23.7 inches. The hydraulic system incorporates a pump flow capacity of 190.3 gallons per minute with a relief valve pressure rating of 4,974.8 psi, delivering responsive power for attachment operation. The swing mechanism operates at 9 revolutions per minute, enabling efficient material positioning. Dimensionally, the excavator measures 11 feet wide across the track gauge of 9.1 feet and features a tail swing radius of 12.1 feet, with cab height reaching 10.1 feet for operator visibility. The compact shipping profile of 39.5 feet length and 11.9 feet height facilitates transportation logistics. Built with sturdy construction emphasizing operator ergonomics and maintenance accessibility, the JY640 combines durability with versatility, accepting multiple attachment configurations for diverse applications including trenching, material handling, and site preparation.