HITACHI EX310H-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi EX310H-3 is a mid-size hydraulic excavator engineered for versatile earthmoving and construction applications. Powered by a turbocharged A-6SD1TQA engine producing 208 net horsepower at 2,000 rpm with 615.2 lb-ft of maximum torque at 1,400 rpm, this machine delivers robust performance across demanding jobsites. The excavator operates at a maximum weight of 67,500 lbs, supported by an advanced undercarriage featuring 47 shoes per side and a ground pressure of 9.1 psi, enabling operation on sensitive terrain. With a maximum digging depth of 24.3 feet and reaching heights up to 33.6 feet, the EX310H-3 accommodates bucket capacities ranging from 1.6 to 2.5 cubic yards, with a reference capacity of 1.9 cubic yards for standard applications. The hydraulic system incorporates a 144.3 gpm pump with a relief valve set at 4,980 psi, supported by 81.9 gallons of hydraulic fluid capacity. The swing mechanism delivers 12 rpm swing speed for efficient positioning. Measuring 10.5 feet wide with a 10.9-foot tail swing radius, the machine is highly maneuverable in confined spaces. Maximum travel speed reaches 3.5 mph, while the 12.2-foot track length on ground ensures stability during operation. The excavator's compact shipping dimensions of 10.5 feet height and 35.9 feet length facilitate efficient transport. Equipped with a 134.8-gallon fuel capacity and comprehensive cooling and lubrication systems, the EX310H-3 delivers extended operational intervals with reliable performance for excavation, material handling, and site preparation tasks.