LIEBHERR R312 CRAWLER EXCAVATOR

Technical Description

The Liebherr R312 excavator is a robust hydraulic crawler excavator designed for versatile digging and loading operations. It features a powerful engine with a displacement of 183.1 cubic inches (3.0 liters) delivering a net power of 83.2 hp (62 kW) at 2300 rpm, ensuring efficient performance on various job sites. The unit has an operating weight of approximately 33,730 lbs (15,300 kg) and a hydraulic pump flow capacity of 111 gallons per minute (gpm) with a system relief valve pressure rated at 5076.4 psi, enabling strong hydraulic power for boom, stick, and bucket movements. The R312 boasts a maximum digging depth of 18.1 feet, a maximum loading height of 23.2 feet, and a maximum reach along the ground of 28.1 feet, making it well-suited for deep excavation and high loading tasks. Its maximum vertical wall digging depth is 16.5 feet, allowing for precision trench and foundation work. The excavator’s undercarriage is equipped with 19.7-inch shoes and provides a maximum travel speed of 2.8 mph (3 kph), ensuring maneuverability over rough terrain. The track length on the ground measures 10.2 feet with a ground clearance of 1.5 feet and a tail swing radius of 6.6 feet, contributing to stability and ease of operation in confined spaces. The reference bucket capacity is 0.8 cubic yards, optimized for balanced productivity and fuel efficiency. The unit’s transport dimensions include a shipping height of 9.7 feet and a shipping length of 25.6 feet, facilitating road transport and storage. With a width of 8.3 feet to the outside of tracks, the Liebherr R312 balances compactness with operational capability ideal for medium-scale excavation projects.