DUNKES HS 4-40/20 is a hydraulic press engineered for precision, high accuracy and reliability. Capacity: 40 t (400 kN), total stroke 300 mm, 4‑column design, table 650×650 mm; auxiliary cylinder 30 kN, stroke 100 mm (2 steps). Specs: operating pressure 260 bar; stroke speed 33–120 mm/s, return 450 mm/s; oil 300 l; power supply 3×380 V 50 Hz; motor 15 kW; weight ≈5200 kg; overall L1750×W1200×H3500 mm. Equipment: safety device, pneumatic blank‑holder/extractor; various accessories. Achieves tight tolerances; typical sectors: automotive, aerospace, medical, machine tools, watchmaking.