Komatsu PC 40 MR-3

KOMATSU PC40MR-3 Mini Hydraulic Excavator Specifications 1. Basic Machine Parameters Model: KOMATSU PC40MR-3 Ultra Short Tail Mini Excavator Standard Operating Weight (ROPS full air-con cab + 350mm steel track + standard arm + floating dozer): 4,110 kg Canopy version operating weight: 3,920 kg Standard Heaped Bucket Capacity (ISO): 0.14 m³ Optional bucket range: 0.055 ~ 0.16 m³ Standard Boom Length: 2,450 mm Standard Stick (Arm) Length: 1,370 mm Track Shoe Width: 350 mm steel track; rubber track optional Track Gauge Width: 1,610 mm Overall undercarriage width: 1,960 mm Rear Tail Swing Radius: 980 mm (Ultra-short tail design, no overhang beyond tracks) Ground Contact Pressure: 26.3 kPa (steel track full cab config) Minimum Ground Clearance: 320 mm Floating dozer blade full width: 1,960 mm 2. Engine & Power Performance Engine Manufacturer: KOMATSU Engine Model: 4D88E-6 Inline 4-cylinder water-cooled diesel engine Aspiration: Naturally aspirated Displacement: 2,190 cc / 2.19 L Net Rated Power (ISO 9249 @ 2400 rpm): 28.5 kW (38.8 HP) Max Torque: 132 N·m @ 1400 rpm Fuel Tank Capacity: 65 L Hydraulic Oil Tank Volume: 55 L (refill volume 20 L) Engine Lubricating Oil Volume: 8.1 L Cooling Water Volume: 8.5 L Travel Speed: Low 2.8 km/h / High 4.6 km/h Swing Speed: 9.0 rpm Gradeability: 70% (35°) Max Bucket Digging Force: 32.5 kN Max Arm Crowd Force: 24.8 kN Max Drawbar Traction Force: 38.2 kN 3. Hydraulic System Main System: KOMATSU CLSS Closed Load Sensing System Main Pump: Single variable displacement axial piston pump + gear pilot pump Main System Relief Pressure: 26.5 MPa Total Main Pump Max Flow: 112 L/min Standard Bidirectional Auxiliary Hydraulic Max Flow: 40 L/min Factory pre-installed auxiliary piping for hydraulic breaker, auger, thumb grab attachments Standard Functions: Straight-line travel, switchable ISO / SAE control pattern, boom float, auto two-speed travel, boom offset swing Boom offset swing angle: Left 630 mm / Right 880 mm 4. Full Working Range Dimensions (mm, standard arm + blade lowered) Max Horizontal Digging Reach (Ground Level): 5,680 Max Digging Depth: 3,350 Max Vertical Wall Digging Depth: 2,760 Max Digging Height: 4,720 Max Dumping Height: 3,535 5. Overall Transport Dimensions (mm, standard bucket fitted) Total Transport Length: 5,160 Total Transport Width: 1,960 Overall Transport Height (cab top): 2,550