斗山 DH 55

### DOOSAN DH55 – Crawler Excavator Specifications **Model:** DH55 (5‑ton mini excavator) --- ### 1. Operating Weight & Dimensions - **Operating Weight:** **5,250–5,500 kg** - **Standard Bucket Capacity:** **0.175 m³** (range: 0.09–0.175 m³) - **Transport Dimensions (L×W×H):** **5,940 × 1,880 × 2,565 mm** - **Track Width:** **400 mm** (rubber track) - **Tail Swing Radius:** **1,550 mm** --- ### 2. Engine - **Model:** **Isuzu 4JB1 / CC‑4JG1** - **Rated Power:** **40.5 kW (55 hp) @ 2,200 rpm** - **Emission Standard:** **Stage IIIA / Tier 2** - **Fuel Tank Capacity:** **80 L** --- ### 3. Performance - **Max. Digging Depth:** **3,830 mm** - **Max. Digging Radius:** **6,106 mm** - **Bucket Digging Force:** **31.4 kN** - **Travel Speed (Low/High):** **2.4 / 3.8 km/h** - **Swing Speed:** **9.8 rpm** --- ### 4. Hydraulics - **Main Pump:** Variable displacement axial piston pump - **Max. Flow:** **2 × 55 L/min** - **System Pressure:** **20.6 MPa (206 bar)**