V620073000 Lower Shaft Gear for Singer 1725, 1748 & 8275

The V620073000 lower shaft gear is a replacement sewing machine gear designed for selected Singer mechanical sewing machines, including the Singer 1725, 1748, 3116 Simple, and 8275. It helps transfer rotary movement through the lower shaft mechanism so the machine can maintain proper internal drive and hook operation.

यह metal lower shaft gear for Singer sewing machines is a practical replacement when the original gear has worn, cracked, or developed damaged teeth. A properly matched replacement gear can help restore smooth mechanical operation and reduce problems caused by a damaged drive gear. It is especially useful when repairing an older Singer sewing machine rather than replacing the entire machine.

आपको क्या मिलता है

• 1 × Metal lower shaft drive gear
• Part number: V620073000
• Designed for selected Singer mechanical sewing machines
• Suitable as a replacement for a worn or damaged lower shaft gear
• Intended for repair and maintenance of the internal shaft-drive mechanism

मशीन अनुकूलता

Please verify the part number, shape and measurements of your existing gear before purchasing. The gear sits inside the machine and does not touch the fabric, so fabric type is not a selection factor. Do not select this gear based only on the machine’s brand or appearance.

How To Replace the V620073000 Lower Shaft Gear

1. Switch off and unplug the sewing machine before starting any repair.
2. Remove the necessary machine covers to access the lower shaft and gear assembly.
3. Inspect the existing gear and confirm that its part number, shape, teeth, and mounting arrangement match the replacement.
4. Remove the damaged lower shaft gear carefully.
5. Position the replacement gear correctly on the shaft.
6. Secure the gear using the original fastening arrangement.
7. Check the movement of the lower shaft by turning the handwheel manually.
8. Reassemble the machine and test the stitching at low speed.

If the repair affects hook timing, shaft positioning, or other internal adjustments, professional sewing-machine servicing may be required.

अक्सर पूछे जाने वाले सवाल

Is V620073000 compatible with Singer 1725?

हाँ।. V620073000 is listed as a lower shaft gear for the Singer 1725. It is also listed for Singer 1748, 3116 Simple, and 8275. Always compare your existing gear before installation to avoid ordering an incorrect replacement.

Is V620073000 the same as V620475000?

No. They are listed as different part numbers. V620073000 is listed for Singer 1725, 1748, 3116 Simple, and 8275, while V620475000 is listed for Singer 2250, 2259, 2263, and 3343. Verify the exact part number before purchase.

Can I use this gear for another Singer sewing machine?

Only if the replacement part is confirmed for that model. Singer machines can use different lower shaft gears, even when the gears look similar. Compare the part number, tooth profile, shaft opening, mounting arrangement, and existing gear before ordering.