Review has 1 Helpful, 1 Needs More Info, 1 Very Helpful ratings. Singer 14HD854 Heavy Duty 4 Thread Serger With Differential Feed. The Singer sewing machine 14HD854 offers 10 sewing programs to a professional speed 1,300 stitches per minute. $20.12 shipping. Posted 12/1/19. The upper … SINGER 14HD854 Heavy Duty Overlock SERGER Sewing Machine MINT CONDITION! Singer 14HD854 Heavy Duty Serger. It is designed with a 60% larger cutting knife than other Singer sergers so it cuts through thicker fabrics with ease. Singer Heavy Duty 14HD854 Serger Review . Your result … Product Title New Singer Serger Knive 412585 Fits 14U, 14CG, 14SH & More In Description Average Rating: ( 5.0 ) out of 5 stars 1 ratings , based on 1 reviews Current Price $12.99 $ 12 . Free Arm Slide off the Removable … Singer 14HD854 Heavy Duty Serger, 2-3-4 Threads, 6 Stitch Types, 1300SPM. This Heavy Duty serger packs a punch. $288.00. 1,207 Views. Singer Professional 5 14T968DC Serger … 5 out of 5 stars (4) 4 product ratings - SINGER 14HD854 Heavy Duty Overlock SERGER Sewing Machine MINT CONDITION! Singer 14HD854 Serger … ogarc is not sure about this Singer Serger after buying it 1 day ago for $300. Heavy Duty Frame The machine's interior frame is metal, providing long lasting durability. 99