斗山 DH 225 LC-7

### DOOSAN DH225LC-7 – 22t Crawler Excavator #### 1. General - **Model**: DOOSAN DH225LC-7 - **Type**: Hydraulic crawler excavator - **Operating weight**: **21,500 kg** (47,408 lb) - **Standard bucket capacity**: **1.05 m³**; Range: **0.5–1.28 m³** - **Manufacture country**: **South Korea** #### 2. Engine - **Model**: **Doosan DB58TIS** (Tier 2) - **Rated power**: **110 kW (150 hp) @ 1,950 rpm** - **Displacement**: **5.9 L**, 6-cylinder diesel - **Fuel tank capacity**: **400 L** #### 3. Dimensions (L×W×H) - **Transport length**: **9,510 mm** - **Transport width**: **2,710 mm** - **Transport height**: **3,030 mm** - **Track shoe width**: **600 mm** - **Tail swing radius**: **2,950 mm** #### 4. Working Range - **Max digging radius**: **9,910 mm** - **Max digging depth**: **6,630 mm** - **Max digging height**: **9,660 mm** - **Max dumping height**: **6,810 mm** - **Boom length**: **5,700 mm** - **Stick length**: **2,400 / 2,900 / 3,500 mm** #### 5. Performance - **Bucket digging force (ISO)**: **136.2 / 144.1 kN** - **Stick digging force (ISO)**: **97 / 102.9 kN** - **Slewing speed**: **12.4 rpm** - **Travel speed**: **3.1–4.5 km/h** - **Gradeability**: **70% (35°)** #### 6. Hydraulic System - **Main pump**: 2 × variable axial piston pumps - **Max flow**: **2 × 215 L/min** - **System pressure**: **34.3 MPa**