CAT 312 D2 GC

# CAT 312D2 GC Technical Specifications **Machine Type**: Crawler Hydraulic Excavator - Operating weight: 12500 kg - Bucket capacity: 0.53 m³ - Boom length: 4650 mm - Arm length: 2500 mm ## Engine - Model: Cat 3054C - Net power: 56 kW (75 hp) @2200 rpm (flywheel) - Gross power:59 kW (79 hp) @2200 rpm (ISO14396) - Displacement:4.4 L, 4‑cylinder turbo diesel ## Hydraulic System - Main pump: 2×variable axial piston pump - Max total flow: 232 L/min - Auxiliary hydraulic flow:75 L/min - Implement relief pressure:30.5 MPa - Swing circuit pressure:23.0 MPa - Travel circuit pressure:35.0 MPa ## Working Performance - Max digging reach:8180 mm - Max digging depth:5540 mm - Max dumping height:6100 mm - Bucket breakout force:95 kN - Arm tear‑out force:65 kN - Max swing speed:11.2 rpm - Max drawbar pull:114 kN - Travel speed low/high: 3.2 / 5.1 km/h - Gradeability:35° ## Dimensions (mm) - Overall transport length:7610 - Overall width:2490 - Overall height:2830 - Tail swing radius:2130 - Track shoe width:500 - Track gauge:1990 - Ground clearance:440 ## Service capacity - Fuel tank:250 L - Hydraulic tank:91 L - Engine oil:16 L - Coolant:18 L