
Weld-Pak® 140HD
120 Volt AC Input Compact Wire Welder
Whether you have a home project, farm repairs or basic auto- body welding to complete, the 
Requiring common 120 volt input power, the 
of standard accessories. . . Lincoln 
| Processes | Shown: | 
| MIG,  | 
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WIRE FEEDER/WELDERS
Output
CV
DC
Input
1
60
Hz
Advantage Lincoln
Superior Arc Performance:
•Forgiving arc makes dialing in your application easy.
•Smooth arc starts with minimal spatter.
•Wide 
•MIG weld 24 gauge up to 10 gauge (.135”) sheet metal in a single pass. Weld up to 5/16” steel using 
Professional Features:
•Precise Wire Drive features:
–Precision full adjustment drive system reduces chance of wire tangling and crushing.
–
–Large industrial 
•Spool Gun Ready – add the optional Magnum® 100SG spool gun for reliable operation at the high wire feed speeds aluminum welding demands. No expensive outboard modules required.
•No Hassle 
•Innovative contact tip, drive roll and nozzle storage – keeps all your consumables close at hand.
Superb Quality:
•Power Chassis™ channels airflow to cool power systems, structurally secures key components and traps wires and cables to avoid unnecessary abrasion.
•Toughest PC Board Protection in the industry – ‘Potted’ to seal sen- sitive components from the environment, ‘trayed’ in a tough plastic tray to add rigidity and shock resistance.
•Three Year Lincoln Warranty/90 Days on gun and cable assembly.
Technical Specifications
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 | Dimensions | 
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| Product | Product | 
 | Rated Output | Input Current @ | 
 | H x W x D | Net Weight | 
| Name | Number | Input Power | Current/Voltage/Duty Cycle | Rated Output | Output Range | inches (mm) | lbs.(kg) | 
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120/1/60
90A/19.5V/20%
20A
Max. OCV: 33
14 x 10.15 x 18.6
(357 x 258 x 472)
58
(26.3)
Publication E7.39 9/07 www.lincolnelectric.com