The Caterpillar 245B II is a versatile hydraulic excavator engineered for demanding construction and trenching applications. Powered by a Caterpillar 3406 turbocharged and aftercooled diesel engine producing 360 horsepower at 2100 RPM, this machine delivers 891 cubic inches of displacement with exceptional operating efficiency. The excavator features multiple boom and stick configurations to accommodate diverse jobsite requirements, with maximum cutting heights ranging from 37.3 to 39 feet and digging depths extending to 31.8 feet depending on attachment selection. The primary configuration achieves maximum reach along ground of 46.1 feet with vertical wall digging capability of 28.8 feet, providing superior versatility for complex excavation tasks. Operating at 141,426.6 pounds, the machine maintains a ground pressure of 10.4 PSI with independent shoe width options from 24 to 36 inches for terrain adaptability. The hydraulic system delivers 232 gallons per minute at 4,500 PSI relief pressure, enabling smooth and precise operations across boom, bucket, swing, and travel functions. Ground clearance measures 2.5 feet with tail swing radius of 12.5 feet, facilitating operation in confined spaces. The machine incorporates 45 shoes per side on each track, contributing to its 1.9 MPH maximum travel speed and exceptional drawbar pull of 96,218 pounds. Heavy lift trencher configurations increase operating weight to 155,448 pounds with enhanced ground pressure management. The 180.2-gallon fuel capacity supports extended operation cycles, while comprehensive hydraulic and cooling systems ensure reliable performance in demanding excavation environments.