卡特 303.5 E CR

# CAT 303.5E CR Technical Specifications **Machine Type**: Compact Crawler Hydraulic Excavator - Operating weight: 3508 kg (canopy) / 3692 kg (cab) - Bucket capacity: 0.08‑0.14 m³ - Boom length: 2400 mm - Arm length: 1300 mm ## Engine - Model: Cat C1.8 - Net power: 23.6 kW (31.6 hp) @2400 rpm - Gross power: 24.8 kW (33.3 hp) @2400 rpm - Displacement: 1.8 L, 3‑cylinder ## Hydraulic System - Main pump: Variable displacement piston pump - Max main flow: 60 L/min - Auxiliary hydraulic flow:38 L/min - Implement pressure:24.5 MPa - Swing circuit pressure:18.1 MPa - Travel circuit pressure:24.5 MPa ## Working Performance - Max digging reach:4730 mm - Max digging depth:3180 mm - Bucket breakout force:33 kN - Arm tear‑out force:18.9 kN - Max swing speed:9 rpm - Max drawbar pull:31 kN - Travel speed low/high: 2.6 / 4.5 km/h - Gradeability:30° ## Dimensions (mm) - Overall transport length:4730 - Overall width:1780 - Overall height:2470 - Tail swing radius:840 - Track shoe width:400 - Track gauge:1380 - Ground clearance:220 ## Service capacity - Fuel tank:45 L - Hydraulic tank:20 L - Engine oil:6 L - Coolant:7 L