斗山 DH 150

Overall machine weight: 13,900 kg Standard bucket capacity: 0.28–0.75 m³ (commonly 0.6 m³) Pivot arm length: 4,000 / 4,600 mm (two types) Bucket arm length: 1,900 / 2,500 / 3,000 mm (three types) Origin: Yantai, Shandong Province II. Main Performance Rotation speed: 12 rpm Travel speed: 3.4 (low) – 4.9 (high) km/h Climbing ability: 70% (≈ 35°) Bucket digging force: standard 77.4 kN / boost 81.3 kN Bucket arm digging force: standard 57.8 kN / boost 62 kN Ground contact pressure: ≈ 36 kPa III. Engine Model: Doosan DB58TIS (direct injection water-cooled) Rated power: 71 kW / 1,850 rpm Cylinders: 4 cylinders Cylinder diameter × stroke: 102 × 118 mm IV. Hydraulic System Main pump: Variable piston pump × 2 Main pump flow: 2 × 116 L/min Working pressure: standard 32.5 MPa / boost 34.3 MPa Travel circuit pressure: 32.5 MPa Pilot pump flow: 27.7 L/min