Komatsu PC 56

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# Komatsu PC56-7 Mini Excavator (Full English Specs) Core parameters you required: auxiliary flow, track width, bucket width, stick length, max travel speed ## 1. Basic Machine Weight & Bucket - Operating Weight (standard 400mm track + dozer): **5,300 kg** - Standard Bucket Capacity (JIS heaped): **0.22 m³** - Optional trench bucket range: 0.055–0.20 m³ - Standard Dipper Arm (Stick) Length: **1,700 mm** - Standard Bucket Cutting Width (with side cutters): **720 mm** - Narrow trench buckets optional: 450 / 550 / 650 mm ## 2. Track Dimensions (mm) - Standard Track Shoe Width: **400 mm** (steel/rubber track) - Overall width over tracks (transport width): **1,960 mm** - Track gauge (center to center): 1,560 mm - Track ground contact length: 1,980 mm - Total track length: 2,500 mm - Minimum ground clearance: 320 mm - Rear swing radius (conventional short tail): 1,650 mm ## 3. Max Travel Speed (km/h) - Low gear: 2.6 km/h - Maximum travel speed (high gear): **4.1 km/h** ## 4. Auxiliary Hydraulic Flow (L/min) CLSS load sensing hydraulic system, breaker piping is optional kit - Total combined main pump flow: 130 L/min - Single-way auxiliary circuit (breaker / auger): **65 L/min max stable output** - Dual two-way auxiliary circuit (thumb grab / tilt bucket): 32.5 L/min per circuit - Auxiliary relief pressure: 26.5 MPa - Pilot pump flow: 15 L/min (control circuit only) ## 5. Transport Dimensions (L × W × H, mm) 5,935 × 1,960 × 2,550 ## 6. Powertrain Engine Model: Komatsu S4D87E-1 4-cylinder water-cooled turbo diesel - Rated Power: 34.5 kW (46.9 HP) / 2,300 rpm - Displacement: 2.434 L - Bore × Stroke: 87 mm × 102.4 mm ## 7. Working Performance - Swing speed: 9.0 rpm - Gradeability: 70% (35°) - Bucket breakout force: 42.1 kN - Arm breakout force: 29.3 kN - Ground pressure (400mm track shoe): 30.7 kPa - Max digging depth: 3,860 mm - Max digging reach: 6,150 mm ## 8. Fluid Capacities - Fuel tank: 120 L - Hydraulic tank: 55 L - Engine oil capacity: 9.7 L - Coolant volume: 8 L ## Short Spec Snippets for Quotation Sheet 1. Auxiliary hydraulic flow: 65 L/min (single acting), 32.5 L/min per dual circuit 2. Track shoe width: 400 mm (standard) 3. Standard bucket width (with side cutters): 720 mm 4. Standard dipper arm length: 1,700 mm 5. Maximum travel speed: 4.1 km/h ## Key Difference vs PC50MR-5 1. Tail design: PC56-7 conventional short tail (1650mm); PC50MR zero tight tail (1040mm) 2. Auxiliary flow: PC56-7 65 L/min > PC50MR 51 L/min, better for medium breakers 3. Bucket capacity: 0.22 m³ vs 0.16 m³, higher earthmoving efficiency 4. Max travel speed: PC56-7 4.1 km/h slower than PC50MR 4.6 km/h