CATERPILLAR 321D LCR CRAWLER EXCAVATORS

Technical Description

The Caterpillar 321D LCR is a compact radius hydraulic excavator engineered for versatility and high performance in confined job sites. Featuring a Cat C6.4 ACERT engine, it delivers 148 horsepower (110 kW) and meets stringent emission standards, ensuring reliable operation and reduced environmental impact. The machine is available with two boom/stick configurations: Option 1 provides a maximum cutting height of 36.1 ft, digging depth of 22 ft, loading height of 26 ft, and a ground reach of 32.1 ft, while Option 2 offers a cutting height of 35.2 ft, digging depth of 20.7 ft, loading height of 25 ft, and a ground reach of 30.9 ft. The excavator supports a maximum bucket capacity of 2.1 cu yd, with a reference bucket capacity of 1.4 cu yd. Transport dimensions are 29.2 ft in length and 10 ft in height, with a shipping width of 10.5 ft. The undercarriage features a 600 mm track width, 49 shoes per side, and a ground clearance of 1.5 ft. Hydraulic system specifications include a main implement flow of 54 gpm, maximum equipment pressure of 5076 psi, and a swing speed of 11.5 rpm. The 321D LCR has an operating weight of 51,875 lbs and a maximum drawbar pull of 46,311 lbs. Service capacities include 87 gal fuel, 55 gal hydraulic fluid, 8 gal engine oil, and 6.6 gal cooling system fluid. The machine meets SAE J1026, SAE J1356, and ANSI/SAE J1166 standards, ensuring safety and reliability.