コマツ（小松製作所） PC 400

Komatsu PC400 Hydraulic Excavator Specification 1. Basic Machine Data Model: Komatsu PC400Large Crawler Excavator Standard Operating Weight: PC400-8: 41740 kg PC400LC-8: 42290 kg Standard Bucket Capacity: 1.9 m³ Optional Bucket Range: 1.30 ~ 2.80 m³ Standard Track Shoe Width: 600 mm Ground Clearance: 555 mm Fuel Tank Volume: 650 L 2. Engine System Engine Model: Komatsu SAA6D125E-5 Water-cooled 6-cylinder Diesel Engine Displacement: 11.04 L Gross Power: 270 kW (362 HP) @ 1900 rpm Net Power (ISO 9249): 257 kW (345 HP) @ 1900 rpm Cooling System: Large capacity composite radiator, independent hydraulic oil cooler 3. Hydraulic System (HydrauMind Control) Main Pump: 2 sets variable displacement axial piston pumps Total Max Hydraulic Flow: 690 L/min System Working Pressure: 34.8 MPa Auxiliary Hydraulic Circuit: Support breaker, grapple, ripper attachments Working Modes: 4 adjustable modes (Heavy load / Standard / Light load / Economy) Swing Motor: Single axial piston motor with swing holding brake Travel Motors: Dual axial piston motors with independent parking disc brakes 4. Working Performance Parameters (Unit: mm) Boom Length: 7060 Arm Length: 3380 Max Digging Depth: 7730 Max Digging Radius (Ground Level): 11100 Max Dumping Height: 7310 Max Digging Height: 10820 Bucket Breakout Force: 278 kN Arm Breakout Force: 233 kN Swing Speed: 9.1 rpm Max Travel Speed: 5.5 km/h (3-speed adjustable) Gradeability: 35° (70%) 5. Overall Transport Dimension (Standard PC400-8, mm) Total Length: 11880 Total Width: 3290 Total Height (Cab): 3285 Track Base Length: 4030 Track Gauge: 2590 6. Cab & Safety Configuration ROPS / FOPS certified operator cab, shock-absorbing suspension seat Built-in KOMTRAX remote machine monitoring system Large panoramic glass windows with anti-glare coating Standard 24V power outlet, air conditioner, front windshield safety hammer Boom & arm hydraulic holding safety valves as standard