CATERPILLAR 312D L CRAWLER EXCAVATORS

Technical Description

The Caterpillar 312D L is a versatile hydraulic excavator with a robust Cat C4.2 ACERT engine delivering 97 hp (72 kW) gross power and 90 hp (67 kW) net power, optimized for fuel efficiency and low emissions. It features a 259.4 cu in displacement engine coupled with advanced electronic controls for smooth power delivery and enhanced operator convenience. The machine’s operating weight ranges around 29,650 lbs (13,470 kg) with a long undercarriage configuration, providing stability and durability under demanding conditions. The excavator offers three boom and stick options to suit diverse application needs: Option 1 includes a max digging depth of 18.2 ft and max reach along the ground of 26.9 ft; Option 2 increases this to 19.2 ft depth and 27.7 ft reach; Option 3 maximizes these at 19.9 ft and 28.3 ft respectively. Maximum bucket capacity is 1 cubic yard, with a reference capacity of 0.7 cubic yards, enabling effective material handling. Hydraulic performance is strong, with a main pump flow capacity of 33.6 gpm and relief valve pressure up to 5076.4 psi, ensuring high digging forces and precise control. The swing mechanism reaches speeds of 12.4 rpm with swing torque up to 22,827.6 lb-ft. The undercarriage features 23.7-inch shoes, 6.6 feet track gauge, and a drawbar pull of 25,628 lbs, supporting a max travel speed of 3.5 mph on rough terrain. Overall dimensions include a height to top of cab of 9.1 ft, width over tracks of 8.5 ft, and transport length of 25 ft. The Caterpillar 312D L combines power, reach, hydraulic efficiency, and operator comfort for effective excavation and loading tasks in construction and earthmoving operations.