斗山 DH 55

DOOSAN DH55 Compact Mini Excavator Specifications 1. Basic Machine Information Model: DOOSAN DH55 Short Radius Compact Crawler Excavator Standard Operating Weight (Full Air-con Cab + 400mm steel track + standard bucket): 5250 kg Canopy version operating weight: 5120 kg Standard Heaped Bucket Capacity: 0.17 m³ (optional range: 0.15–0.24 m³) Standard Boom Length: 2720 mm Standard Stick (Arm) Length: 1620 mm Standard Track Shoe Width: 400 mm triple grouser steel track Fixed overall track width: 1880 mm Ground Contact Pressure: 32.6 kPa (cab steel track version) Rear Tail Swing Radius: 1550 mm (short tail design for narrow urban construction sites) 2. Engine & Power Performance Engine Manufacturer: ISUZU (Japan) Engine Model: CC-4JG1 Inline 4-cylinder water-cooled turbocharged diesel Displacement: 3.059 L / 3059 cc Net Rated Power (ISO9249): 40.5 kW @ 2100 rpm (55.1 HP) Max Torque: 182 N·m @ 1600 rpm Fuel Tank Capacity: 110 L Hydraulic Oil Tank Volume: 70 L Travel Speed: Low 2.2 km/h / High 3.8 km/h Swing Speed: 9.5 rpm Gradeability: 58% (30°) Max Bucket Digging Force (ISO): 31.4 kN Max Arm Digging Force (ISO): 24.5 kN Max Traction Force: 39.2 kN 3. Hydraulic System Main Pump: Dual variable displacement axial piston pumps + gear pilot pump Max total hydraulic flow: 132 L/min Main Relief Pressure: 23.0 MPa Standard Bidirectional Auxiliary Hydraulic Flow: 72 L/min Factory pre-installed auxiliary piping for hydraulic breaker, auger & thumb grab attachments Doosan intelligent load-sensing compound control hydraulic system 4. Working Range Dimensions (mm) Max Horizontal Digging Reach (Ground Level): 5920 Max Digging Depth (Dozer blade lowered): 3890 Max Vertical Wall Digging Depth: 3150 Max Digging Height: 5330 Max Dumping Height: 3645 Standard floating dozer blade width: 1880 mm 5. Overall Transport Dimensions (mm) Total Transport Length (with standard bucket): 5930 Total Transport Width: 1880 Overall Height (cab top): 2565 Minimum Ground Clearance: 350 mm