斗山 DH 55

### DOOSAN DH55 (DH55-7 / DH55GOLD) – Full Specs #### 1. Basic Information - **Model**: Doosan DH55-7 / DH55GOLD - **Type**: Mini Crawler Excavator - **Operating Weight**: 5,500 kg (12,125 lbs) - **Gross Weight**: 5,250–5,500 kg - **Bucket Capacity (SAE)**: 0.175 m³ (0.23 yd³) - **Bucket Width (std)**: 600 mm (24 in) --- #### 2. Engine - **Engine Model**: Isuzu CC-4JG1 (4-cylinder, diesel) - **Net Power**: 40.5 kW (55.1 hp) @ 2,100 rpm - **Displacement**: 3.059 L (186.7 cu in) - **Fuel Type**: Diesel - **Fuel Tank Capacity**: 120 L (31.7 gal) - **Emission Standard**: EU Stage IIIA / Tier 3 --- #### 3. Dimensions (mm) - **Transport Length**: 5,940 - **Transport Width**: 1,880 - **Transport Height**: 2,565 - **Track Width**: 400 (steel/rubber) - **Track Length (ground)**: 2,545 - **Tail Swing Radius**: 1,550 - **Ground Clearance**: 350 --- #### 4. Working Performance - **Max Digging Depth**: 3,890 - **Max Digging Height**: 5,330 - **Max Reach (ground)**: 6,100 - **Max Dumping Height**: 3,630 - **Bucket Digging Force**: 34.3 kN - **Arm Digging Force**: 24.5 kN - **Swing Speed**: 9.5 rpm - **Travel Speed**: 2.21 / 3.76 km/h - **Gradeability**: 30° (58%) --- #### 5. Hydraulic System - **Main Pump Flow**: 2 × 55 L/min - **Relief Pressure**: 206 bar (20.6 MPa) - **Aux. Hydraulic Flow**: 50 L/min - **Hydraulic Oil Capacity**: 80 L (21.1 gal) --- #### 6. Undercarriage - **Track Type**: Steel (rubber optional) - **Number of Rollers**: 4 top, 5 bottom --- #### 7. Cabin & Options - **Cabin**: ROPS certified, canopy or enclosed - **Controls**: Pilot hydraulic, ISO pattern - **Optional**: Quick coupler, hydraulic breaker, auger