JOHN DEERE 790 CRAWLER EXCAVATOR

Technical Description

The John Deere 790 is a mid-size hydraulic excavator engineered for demanding construction and excavation tasks. Featuring a robust e 400 Series engine with a displacement of 466 cubic inches, this model delivers 155 net horsepower and a maximum torque of 515 lb-ft, ensuring strong performance across a variety of applications. The engine is turbocharged with an aftercooler, enhancing efficiency and reliability under heavy workloads. The unit has a shipping height of 9.8 feet and a shipping length of 32.9 feet, with a width to the outside of the tracks measuring 10.5 feet, providing a stable and maneuverable platform. The operating weight is 48,440 lbs, supporting substantial lifting and digging capabilities. The hydraulic system is designed for high productivity, with a pump flow capacity of 126.8 gallons per minute and a relief valve pressure setting of 3770 psi, ensuring consistent and powerful implement operation. The hydraulic system fluid capacity is 79.3 gallons, while the engine oil capacity is 24.3 gallons and the cooling system fluid capacity is 42.3 gallons, supporting extended operation and efficient heat management. The fuel tank holds 81.9 gallons, allowing for long shifts between refueling. The swing drive fluid capacity is 12.7 gallons, and the excavator operates on a 24-volt electrical system, with an alternator supplying 42 amps. This excavator is built for durability, power, and versatility in demanding environments.