HITACHI EX350H-5 CRAWLER EXCAVATOR

Technical Description

The Hitachi EX350H-5 hydraulic excavator is a mid-sized heavy-duty machine weighing approximately 71,900 lbs, optimized for construction and earthmoving tasks. It is powered by an ISUZU B-6SD1T six-cylinder, turbocharged diesel engine delivering a net power output of 226.7 hp (169 kW) at 1900 rpm, renowned for fuel efficiency and reliability. The engine features direct injection and water-cooled vertical inline architecture with a 9.8-9.9L displacement, 120 mm bore, and 145 mm stroke. The excavator's hydraulic system operates at a relief valve pressure of 4980 psi, facilitating smooth and responsive boom, stick, and bucket movements. In terms of dimensions and performance, the EX350H-5 offers a maximum digging depth of 24.3 ft and a vertical wall digging depth of 21.3 ft, with a maximum cutting height of 33.6 ft and a maximum reach along the ground of 36.5 ft. The machine features a reference bucket capacity of 1.9 cubic yards, suited for medium to heavy material handling. The undercarriage includes 23.7-inch shoes and an 8.5 ft track gauge, providing a ground pressure of 9.6 psi for stable operation on various terrains. The excavator’s travel speed reaches up to 3.5 mph, while the swing mechanism allows a rotation speed of 11.3 rpm. Additional specifications include a fuel capacity of 148 gallons, ground clearance of 1.7 ft, a tail swing radius of 10.8 ft, and an overall shipping height of 10.6 ft with a length of 36 ft. The operator's cab height is 10.3 ft, and the machine width is 10.5 ft outside the tracks, ensuring maneuverability and operator comfort. The EX350H-5 is well-regarded for its durability, hydraulic efficiency, and ease of maintenance in tough job site conditions.