JOHN DEERE 790E LC LONG FRONT CRAWLER EXCAVATOR

Technical Description

The John Deere 790E LC Long Front is a mid-size hydraulic excavator engineered for heavy-duty earthmoving operations requiring extended reach and digging capability. Powered by a turbocharged John Deere 6068T diesel engine, this machine delivers 155 net horsepower and 161 gross horsepower at 2,100 rpm, with maximum torque of 465 lb-ft at 1,300 rpm. The engine's 414 cubic inch displacement supports fuel consumption of 4 to 6 gallons per hour under typical operating conditions. The excavator features an impressive maximum reach of 59.5 feet along the ground with a maximum digging depth of 45.4 feet and cutting height of 51.8 feet. The standard bucket capacity is 1 cubic yard, offering 1-cubic-yard digging capacity for material handling operations. The swing mechanism operates at 10 rpm, enabling efficient rotational positioning. With an operating weight of 51,550 pounds, the machine maintains a low ground pressure of 6.5 psi, reducing surface disturbance. The undercarriage incorporates 24-inch shoes per side, nine track rollers per side, and two carrier rollers per side, delivering a maximum drawbar pull of 39,700 pounds. Maximum travel speed reaches 3.4 mph for efficient on-site mobility. The hydraulic system utilizes a 100 gallon-per-minute pump with 68.7-gallon fluid capacity and 4,980 psi relief valve pressure. The 82-gallon fuel tank provides extended operating range between refueling intervals, while the 24-volt electrical system with 42-amp alternator supports all auxiliary equipment needs.