Review has 1 Helpful, 1 Needs More Info, 1 Very Helpful ratings. It is designed with a 60% larger cutting knife than other Singer sergers so it cuts through thicker fabrics with ease. Free Arm Slide off the Removable … Posted 12/1/19. Singer Heavy Duty 14HD854 Serger Review . Heavy Duty Frame The machine's interior frame is metal, providing long lasting durability. 7) Singer Serger … Whether you are ready for a serger or ready for an upgrade, the Singer 14HD854 Heavy Duty Serger delivers consistent, quality stitches through super heavy-duty … Singer 14HD854 Heavy Duty 4 Thread Serger With Differential Feed. Your result … If you are looking for a heavy-duty singer serger sewing machine then 14HD854 is just the right choice. The Singer 14HD854 Heavy Duty Serger creates a neat, finished edge and professional looking results. Singer 14HD854 … The Singer sewing machine 14HD854 offers 10 sewing programs to a professional speed 1,300 stitches per minute. ogarc is not sure about this Singer Serger after buying it 1 day ago for $300. Capable of handling heavy work and easily sew through thick and heavy fabrics. 1,207 Views. The upper … Singer 14HD854 Heavy Duty Serger. Singer 14HD854 Heavy Duty Serger, 2-3-4 Threads, 6 Stitch Types, 1300SPM. This Heavy Duty serger packs a punch.