小松 PC 70

# KOMATSU PC70 Compact Crawler Excavator Specification ## 1. Basic Machine Data - Model: KOMATSU PC70 7-ton Compact Hydraulic Excavator - Standard Operating Weight (Enclosed ROPS Cab + 450mm triple-grouser steel track + full fluids + standard 0.30m³ dirt bucket): **6590 kg** - Standard Heaped Bucket Capacity (ISO): **0.30 m³; optional range: 0.30~0.39 m³** - Standard Track Shoe Width: 450 mm heavy-duty steel track; rubber track optional - Fuel Tank Capacity: **130 L** - Hydraulic Oil Tank Capacity: 61 L - Standard Boom Length: 3710 mm; Standard Dipper Arm Length: 1650 mm - Standard Bucket Cutting Width (Bucket Tip Length): 1020 mm ## 2. Engine System - Engine Manufacturer: KOMATSU - Engine Model: **SAA4D95LE-5** - Engine Type: 4-cylinder inline, water-cooled, turbocharged & intercooled direct injection diesel engine - Displacement: 3260 cc (3.26 L) - Gross Rated Power (ISO 14396): 50.7 kW @ 1950 rpm - Net Rated Power (ISO 9249): **48.5 kW (65 HP) @ 1950 rpm** - Max Torque: 307 N·m @ 1400 rpm - Emission Standard: Euro 3 / Stage IIIA / EPA Tier 3 - Exhaust Treatment: EGR only, No DPF, No AdBlue urea injection - Air filter: Dual-stage dry filter with cyclone pre-cleaner ## 3. Hydraulic System - Main Pumps: 2 variable displacement axial piston CLSS load-sensing pumps - Total Max Main Pump Flow: 152 L/min - Auxiliary Hydraulic Max Flow (breaker/auger): 68 L/min - Main System Relief Pressure: 25.5 MPa - Swing Circuit Pressure: 21.0 MPa - Standard proportional auxiliary piping for hydraulic breaker, auger & log grapple - Boom, arm & bucket cylinder safety holding valves fully equipped - Working Modes: Standard / Heavy / Economy ## 4. Working Performance Parameters (Unit: mm) - Max Digging Depth (blade lowered): 4100 - Max Vertical Wall Digging Depth: 3250 - Max Ground Digging Radius: 6360 - Max Dumping Height: 5060 - Max Digging Height: 7130 - Rear Tail Swing Radius: 1750 - Bucket Breakout Force (ISO): 54.8 kN - Arm Crowd Force (ISO): 38.2 kN - Max Drawbar Traction Force: 62 kN - Travel Speed (Low / High): 2.8 / 4.5 km/h - Max Travel Speed: **4.5 km/h** - Swing Speed: 11 rpm - Gradeability: 35° (70%) - Minimum Ground Clearance: 350 mm ## 5. Overall Transport Dimension (Standard Cab Configuration, mm) - Overall Transport Length: 6080 - Overall Transport Width: 2225 - Overall Transport Height (Cab Top): 2640 - Transport Size (L × W × H): **6080 × 2225 × 2640**