The sewing unit for waistband felling is designed for attaching the lining to the waistband. The sewing unit for waistband felling can perform equally well on light to heavy fabrics. The sewing unit for stitching waistbands uses Strobel blind stitch sewing head. For easy sewing on difficult areas such as pockets and belt loops the sewing unit is equipped with continuously adjustable spring loaded puller. The sewing unit for waistband felling uses pneumatically controlled compensating system for adjusting to different fabric thicknesses. Rubber upper and lower transport system eliminates marks on the fabric.