The Lincoln Electric M13902-3 is a genuine OEM wire-feeding motor and connection-box assembly with a 142:1 drive ratio. Orderable Lincoln SKU: 9SM13902-3.
- Manufacturer: Lincoln Electric
- OEM assembly number: M13902-3
- Orderable SKU: 9SM13902-3
- Component type: Wire-feeding motor and connection-box assembly
- Drive ratio: 142:1
- Availability: In stock
Confirm M13902-3 / 9SM13902-3 in the applicable Lincoln wire-feeder or welding-system parts list. M13902-3 and M13902-2 use different drive ratios and should not be assumed interchangeable.
Motor replacement should be completed by a qualified service technician. Isolate power, document wiring and connector positions, inspect the drive train for binding or wear, and confirm the specified motor assembly and ratio before installation.
Is 9SM13902-3 the same part as M13902-3?
Yes. M13902-3 identifies the assembly, while 9SM13902-3 is the orderable Lincoln SKU.
What is the drive ratio?
This M13902-3 assembly is identified as the 142:1 version.
Can M13902-2 replace M13902-3?
Do not assume interchangeability. M13902-2 is identified as a different ratio assembly.
Need help confirming this motor? Call 877-532-9353 with the equipment model and code number, or use the Lincoln Electric service-parts finder.