TECHNICAL DETAILS MODEL ST-603 UDR-N MAX. SPEED (RPM) APPROX 1800 WORKING SPEED (RPM) APPROX 1600 depends on sewing Materials STITCH RANGE (100 MM) 6 to 13 OVERSEAM WIDTH (MM) - SEWING CAPACITY (MM) Up to 15 mm NO. OF NEEDLE One NEEDLE SIZE "UY 9848 GS 300/29 Singer" NO. OF THREAD Two THREAD TYPE Multiple Filaments & Fabricated Yarn NET WEIGHT HEAD 42 KG. LUBRICATION Semi Automatic MOTOR 1 H.P. 1 or 3 Phase 1425-2850 RPM