CATERPILLAR 349E CRAWLER EXCAVATORS

Technical Description

The Caterpillar 349E is a high-performance hydraulic excavator engineered for demanding excavation tasks. It features a robust Cat C13 ACERT engine with a 763 cubic inch displacement, delivering 432 hp (322 kW) gross power and 396 hp (295 kW) net power, ensuring reliable operation under heavy loads. The engine boasts a 5.2-inch bore and 6.2-inch stroke, meeting stringent emissions standards. The hydraulic system is designed for maximum efficiency, with a main system flow of 203 gpm and a swing system flow of 102 gpm. Key hydraulic pressures include 5,076 psi for equipment and travel, and 3,989 psi for swing, supporting powerful digging and lifting capabilities. The boom cylinder has a 6.7-inch bore and 60-inch stroke, while the stick cylinder measures 7.5 inches in bore and 69.3 inches in stroke, enabling deep digging and extended reach. The excavator achieves a maximum digging depth of 25 feet and a maximum reach along the ground of 38.4 feet. It offers a maximum drawbar pull of 75,300 lbs, ensuring strong traction on challenging terrain. The operating weight is 117,500 lbs, with a fuel capacity of 190 gallons and a hydraulic system fluid capacity of 150.6 gallons. Service refill capacities include 13.2 gallons for the cooling system, 11.4 gallons for engine oil, and 2.6 gallons for each swing drive. The undercarriage features 9 track rollers and 2 or 3 carrier rollers per side, with 52 shoes per side, providing stability and durability. The swing speed is 8.7 rpm, and the machine meets ISO 10265 brake and SAE J1356 cab/FOGS standards.