斗山 DH 60-7

### DOOSAN DH60-7 (6-ton Mini Crawler Excavator) #### 1. Basic Specifications - **Brand**: Doosan (South Korea) - **Model**: DH60-7 - **Operating Weight**: **5,550 kg** - **Standard Bucket Capacity**: **0.20 m³** (range: 0.09–0.20 m³) - **Boom Length**: **3,000 mm** - **Arm Length**: **1,600 mm** - **Place of Origin**: Yantai, Shandong, China #### 2. Engine - **Model**: **Yanmar 4TNV94L** - **Rated Power**: **38.1 kW @ 2,200 rpm** - **Type**: 4-cylinder, water-cooled, 4-stroke, inline diesel - **Emission Standard**: **Euro 4 / China National III** - **Fuel Tank Capacity**: **130 L** #### 3. Working Performance - **Max. Digging Radius**: **6,150 mm** - **Max. Digging Depth**: **3,820 mm** - **Max. Digging Height**: **5,760 mm** - **Max. Dumping Height**: **4,030 mm** - **Bucket Digging Force**: **37.7 kN** - **Arm Digging Force**: **28.4 kN** - **Swing Speed**: **0–9.5 rpm** - **Travel Speed**: **2.2–3.2 km/h** - **Gradeability**: **35° (70%)** - **Ground Pressure**: **32 kPa** #### 4. Hydraulic System - **Main Pump**: 2 × variable axial piston pumps - **Main Pump Flow**: **2 × 55 L/min** - **System Pressure**: **20.6 MPa** (working circuit) - **Swing Circuit Pressure**: **21.6 MPa** - **Pilot Pump Flow**: **9.9 L/min** #### 5. Dimensions (L × W × H) - **Transport Dimensions**: **5,850 × 1,880 × 2,575 mm** - **Track Width**: **400 mm** - **Track Ground Contact Length**: **1,990 mm**