CATERPILLAR 312E CRAWLER EXCAVATOR

The Caterpillar 312E hydraulic excavator is a mid-sized machine engineered for efficient digging and material handling, delivering 91 hp (68 kW) net power from a Cat C4.4 ACERT engine with 269 cubic inches displacement, featuring a 4.2-inch bore and 5-inch stroke. It has a maximum digging depth of 19.8 feet and a maximum reach along the ground of 28.3 feet. The excavator operates at a maximum travel speed of 3.4 mph with a drawbar pull capacity of 25,628 lbs, ensuring substantial traction and mobility on various terrains. Hydraulic performance is driven by components including boom, stick, and bucket cylinders with bores ranging from 4 to 5 inches and strokes up to 47 inches. The system delivers a maximum equipment pressure of 4,424 psi and travel pressure up to 5,076 psi, with a swing system flow of 34 gallons per minute. Fluid capacities include a 66.1-gallon fuel tank, 43.4 gallons for the hydraulic system, and 5.9 gallons for the cooling system, supporting long operational cycles. Dimensions of the 312E include a ground clearance of 1.5 feet, a cab height of 9.1 feet, and a tail swing radius of 7.1 feet, which facilitates operation in tight spaces. The minimum and maximum operating weights are approximately 29,770 lbs and 33,080 lbs respectively. The undercarriage consists of 46 track shoes per side with 7 track rollers each, ensuring stability and durability. Compliant with ISO standards for brakes, the excavator integrates advanced operator comfort and safety features including ROPS-certified cab with optimized visibility, noise reduction, and easy maintenance access through wide service doors and compartments. It is designed to offer high productivity and reliability with features supporting efficient fuel use and fleet management.