卡特 307 E2

# CAT 307E2 CR Technical Specifications **Machine Type**: Compact Crawler Hydraulic Excavator - Operating weight: 7270 kg (Cab, steel track with rubber pads) - Bucket capacity: 0.28 m³ - Boom length: 3400 mm - Arm length: 1750 mm ## Engine - Model: Cat C2.4 Turbo - Net power: 37.7 kW (50.6 hp) @2200 rpm (ISO 9249) - Gross power:39.6 kW (53.1 hp) @2200 rpm (ISO14396) - Displacement:2.4 L, 4‑cylinder turbo diesel - Emission standard: Tier4 Final / Stage IIB ## Hydraulic System - Main pump:2×variable displacement piston pump - Max total flow:150 L/min - Auxiliary hydraulic flow:72 L/min - Implement relief pressure:27.5 MPa - Swing circuit pressure:21.0 MPa - Travel circuit pressure:27.5 MPa ## Working Performance - Max digging reach:6160 mm - Max digging depth:4070 mm - Max dumping height:4720 mm - Bucket breakout force:54.2 kN - Arm tear‑out force:40.8 kN - Max swing speed:10.2 rpm - Max drawbar pull:59.3 kN - Travel speed low/high:3.2 / 5.1 km/h - Gradeability:35° ## Dimensions (mm) - Overall transport length:6080 - Overall width:2280 - Overall height:2610 - Tail swing radius:1320 - Track shoe width:450 - Track gauge:1830 - Ground clearance:340 ## Service capacity - Fuel tank:130 L - Hydraulic tank:82 L