斗山 DH 55

Doosan DH55 Mini Crawler Excavator Specification 1. Basic Machine Data Model: Doosan DH55 5-ton compact crawler excavator Standard Operating Weight (Cabin + 400mm steel track + dozer): 5250 kg Standard Heaped Bucket Capacity: 0.17 m³ Optional Bucket Range: 0.067 ~ 0.175 m³ Standard Track Shoe Width: 400 mm triple grouser steel track Dozer Blade Dimension: 1880 mm (W) × 340 mm (H) Fuel Tank Capacity: 100 L Hydraulic Oil Tank Capacity: 70 L 2. Engine System Engine Manufacturer: Isuzu Engine Model: CC-4JG1 4-cylinder water-cooled naturally aspirated diesel engine Displacement: 2771 cc (2.771 L) Net Rated Power (ISO 9249): 40.5 kW @ 2100 rpm Max Torque: 186 N·m @ 1400 rpm Air filter: Dual-stage dry type with cyclone pre-cleaner 3. Hydraulic System Main Pumps: 2 variable displacement axial piston pumps Total Main Pump Max Flow: 2 × 55 = 110 L/min Auxiliary Hydraulic Max Flow: 55 L/min Main System Working Pressure: 20.6 MPa Swing Circuit Pressure: 22.0 MPa Standard auxiliary piping for hydraulic breaker, auger, log grapple Boom & arm cylinder safety holding valves equipped Straight travel circuit for smooth simultaneous compound operation 4. Working Performance Parameters (Unit: mm) Max Digging Depth: 3890 Max Vertical Digging Depth: 3110 Max Ground Digging Radius: 6106 Max Dumping Height: 3645 Max Digging Height: 5330 Bucket Breakout Force: 31.4 kN Arm Breakout Force: 24.5 kN Travel Speed (Low / High): 2.21 / 3.76 km/h Max Travel Speed: 3.76 km/h Swing Speed: 9.9 rpm Minimum Tail Swing Radius: 1550 mm Gradeability: 30° (58%) Minimum Ground Clearance: 350 mm 5. Overall Transport Dimension (Cabin Model, mm) Overall Transport Length: 5940 Overall Transport Width: 1880 Overall Transport Height (Cab Top): 2565 Track Base Length: 2545 Track Gauge: 1480 Transport Size (L × W × H): 5940 × 1880 × 2565 6. Cab & Safety Configuration ROPS / FOPS Level I certified enclosed operator cab Shock-absorbing adjustable suspension seat with retractable safety belt Mechanical pilot control levers with wrist rest Simple digital monitor with basic fault self-diagnosis Panoramic anti-glare glass, rearview mirror, front windshield emergency break hammer Standard travel alarm, two front working lights