2021 Komatsu PC56-7

Komatsu PC56-7 Excavator Product Specification Overview The Komatsu PC56-7 is a 5-ton class compact crawler excavator designed for high efficiency and reliability in urban construction, landscaping, and small-scale earthmoving projects. Featuring a short-tail swing design and advanced hydraulic system, it excels in confined spaces while delivering powerful digging performance. Basic Information Model: PC56-7 Type: Crawler Excavator Power Type: Conventional Diesel Bucket Type: Backhoe Operating Weight: 5,300 kg Standard Bucket Capacity: 0.22 m³ Transport Dimensions: 5,935 mm (L) × 1,960 mm (W) × 2,550 mm (H) Engine System Model: Komatsu S4D87E-1 Type: 4-cylinder, water-cooled, direct injection turbocharged diesel engine Rated Power: 34.6 kW (47 PS) @ 2,300 rpm Displacement: 2.434 L Bore × Stroke: 87 mm × 102.4 mm Fuel Tank Capacity: 120 L Engine Oil Capacity: 9.7 L Coolant Capacity: 8 L Hydraulic System Main Pump: Variable displacement piston pump × 2 + gear pump × 2 Maximum Pump Flow: 51 L/min × 2 + 32 L/min + 12 L/min Working Hydraulic Pressure: 26.5 MPa Travel Hydraulic Pressure: 26.5 MPa Swing Hydraulic Pressure: 19.6 MPa Pilot System Pressure: 3.7 MPa Hydraulic Tank Capacity: 55 L Travel Motor: Variable displacement piston motor × 2 Swing Motor: Fixed displacement piston motor × 1 Performance Parameters Travel Speed: 4.1 km/h (High) / 2.6 km/h (Low) Swing Speed: 9.0 rpm Ground Pressure: 30.7 kPa Bucket Digging Force: 39 kN Arm Digging Force: 23.9 kN Maximum Traction Force: 42 kN Undercarriage Dimensions Track Gauge: 1,560 mm Track Shoe Width: 400 mm Track Ground Contact Length: 1,980 mm Total Track Length: 2,500 mm Minimum Ground Clearance: 320 mm Rear Swing Radius: 1,650 mm Working Range Maximum Digging Radius: 6,120 mm Maximum Digging Depth: 3,800 mm Maximum Digging Height: 5,850 mm Maximum Dumping Height: 4,160 mm Maximum Vertical Digging Depth: 3,020 mm Dozer Blade Width × Height: 1,960 mm × 355 mm Dozer Blade Lift/Dig Depth: 430 mm / 330 mm Key Features Compact Design: Short-tail swing radius (1,650 mm) enables efficient operation in narrow spaces Dual Work Modes: Standard mode for fuel efficiency and P-mode for maximum productivity Enhanced Durability: Reinforced track links, dual-support top rollers, and 5 bottom rollers for reliable travel performance Easy Maintenance: Open engine hood layout with centralized service points for quick inspections Operator Comfort: Spacious cab with adjustable seat, multi-pane windows, and integrated air conditioning system Intelligent Monitoring: KOMTRAX telematics system provides real-time equipment status, location tracking, and maintenance reminders Applications Urban construction and renovation projects Landscaping and garden maintenance Utility line installation and repair Small-scale earthmoving and trenching Demolition and site cleanup in confined areas