The BOBBIN CASE (Part #4171801700) is a genuine JACK original replacement part designed for JACK T1310D T2210D T6040D and JK-T781 series button sewing machines, as well as Speedway SW 5770A series models. Manufactured to OEM specifications for precise fit and reliable performance. Equivalent Part Numbers JACK: 4171801700 JUKI: B1828210DAA Compatible Machines This part fits the following industrial sewing machine models: JACK: T1310D T2210D T6040D, JK-T781 series, JK-T1310, JK-T1310A, JK-T1310F1, JK-T1310F3, JK-T2210, JK-T2210F1, JK-T2210F3, JK-T3020, JK-T3020K, JK-T3020D, JK-T3020TDB, JK-T6040, JK-T10040, JK-T12040, JK-T1900GH SPEEDWAY: SW 5770A Technical Specifications Brand JACK Part Number 4171801700 Part Type Bobbin Cases Condition New – OEM Original Looking for a replacement bobbin case for your JACK T1310D T2210D T6040D or JK-T781 button sewing machine? This genuine OEM part is also compatible with Speedway SW 5770A series machines. Shop with confidence — all parts ship from Miami, FL. ⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final.
