Features
Specifications
The Forney® 140 MIGx is a 120V MIG and flux-cored welder featuring TruSet™ that makes dialing in a good arc as simple as choosing your wire, turning a knob, and pulling the trigger. TruSet™ technology, a bright passive LCD display, and a straightforward two-knob interface help you get welding quickly, while the 140 amp inverter output handles 24 ga through 1/4 in. material in a single pass. Backed by a 3-year warranty and Forney® Industries’ 90+ years of welding experience, this TruSet™ MIG welder gives DIYers and small shops a portable, gas-ready machine that can run both solid wire with gas and gasless flux-cored wire.
- TruSet™ Synergic Setup Assist: Select your material and the machine automatically provides ideal settings for MIG and Flux-Cored processes
- Expert-Tech® Support: Direct access to USA-based technical support and real welders for setup, troubleshooting, and parts
- 3-Year Warranty: Provides long-term assurance and reliable performance
- Bright LCD Display: Large, easy-to-read readouts visible in both dim garages and bright daylight
- 140 Amp Max Output: Welds 24-gauge to 1/4 in. material in a single pass
- 30% Duty Cycle at 90A: Spend more time welding and less time waiting for the machine to cool
- Solid & Flux-Cored Wire Compatible: Weld with gas indoors for cleaner beads, or use gasless flux-cored outdoors
- Compact & Lightweight: Includes a handle and carry strap for easy transport to any job site
- 120V Input Power: Plug-and-play operation for standard household outlets
- Generator Capable: Works with a minimum 4,000W generator (no low-idle, 5% THD max) for off-grid use
- CSA Certified: Meets strict safety and performance standards
- Two-Knob Interface: Simple, quick adjustments for voltage and wire feed
- 4" & 8" Spool Compatible: Accommodates both small and large wire spools to fit your job size
- Tweco®-Style Consumables & 8 ft Torch: Uses industry-standard parts for easy replacement and excellent conductivity
| Brand | Forney |
|---|---|
| Date Added | Jul 29, 2026 |
| Store Location (Lititz, PA) | Aisle 05, Section N4 |
| Package Length (in) | 11.00" |
| Package Width (in) | 8.30" |
| Package Height (in) | 18.40" |
| Manufacturer Part Number | 363 |
| Input voltage | 120 VAC, 50–60 Hz, single phase |
| Input current | 13.5 A |
| Output voltage | 13–20 V |
| Output current | Up to 140 A |
| Duty cycle | 30% at 90 A |
| Wire feed speed | 80–200 inches per minute |
| Processes | MIG (Gas Metal Arc Welding, GMAW), flux-cored (Flux Cored Arc Welding, FCAW), TruSet™ MIG, TruSet™ flux-cored |
| TruSet™ Technology | Provides optimal settings based on your materials for fast and easy setup. |
| Display type | Passive LCD, two-knob interface |
| Wire diameter | 0.024" – 0.035" |
| Single-pass plate thickness | 24 ga–1/4" |
| Power supply type | Inverter |
| Generator requirements | 4,000 W continuous output, no low-idle, 5% THD max |
| Input power cable length | 7 ft |
| Torch length | 8 ft copper MIG gun |
| Ground cable length | 8 ft copper ground clamp and lead |
| Gas connection | 5/8–18 RH thread (for MIG with gas) |
| Spool gun capable | No |
| Spool size compatibility | 4" and 8" spools |
| Machine weight | 20.3 lb |
| Warranty | 3 year |
| Certification | CSA Listed |
| IP rating | IP21S |