Lincoln K4499-1 Power MIG 140 MP Multi-Process Welder – TIG One
$555.00
The Lincoln K4499-1 Power MIG 140 MP TIG One-Pak is a compact 120V multi-process welder that combines MIG, Flux-Core, Stick, and DC TIG welding in a single machine. With the included TIG torch and foot pedal, it offers one of the most complete entry-level welding packages available for homeowners, farm operators, automotive enthusiasts, and hobby fabricators.
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Description
Lincoln K4499-1 Power MIG 140 MP Multi-Process Welder – TIG One
The Lincoln K4499-1 Power MIG 140 MP TIG One is a compact, portable 4-in-1 multi-process welder designed for home workshops, automotive repair, maintenance work, farm repairs, and light fabrication. Unlike the standard Power MIG 140 MP package, the TIG One includes the TIG torch, foot pedal, regulator, and accessories needed to perform DC TIG welding right out of the box.
Key Features
- 4 welding processes in one machine
- MIG (GMAW)
- Flux-Cored (FCAW)
- Stick (SMAW)
- DC TIG (GTAW)
- Operates from a standard 120V household outlet
- Lightweight portable inverter design
- Simple controls with quick process selection
- Built-in spool gun capability for optional aluminum MIG welding
- Includes wired foot pedal for TIG operation
- Suitable for steel and stainless steel TIG welding
TIG One-Pak Includes
- Magnum PRO 100L MIG Gun
- PTA-9 TIG Torch (12.5 ft)
- TIG Foot Pedal
- Gas Regulator and Hose
- Electrode Holder
- Work Clamp and Cable
- MIG Contact Tips
- Flux-Core and MIG Nozzles
- Sample MIG and Flux-Core Wire
- Drive Rolls and Accessories
Best Applications
- Automotive body repair
- Home fabrication projects
- Farm and ranch maintenance
- Stainless steel fabrication
- Mobile repair work
- DIY and hobby welding
- Light-duty fabrication shops
Advantages
- Complete TIG package included
- Runs on ordinary household power
- Portable at only about 35 lbs
- Four welding processes in one machine
- Easy setup and operation
- Good entry-level TIG learning platform
Reddit users generally report good MIG and Stick performance, with several users successfully using the machine for TIG welding classes and light fabrication work.
Limitations
- DC TIG only (no AC TIG aluminum welding)
- Limited to 120V input power
- Not intended for heavy industrial production
- Maximum practical single-pass steel thickness around 3/16″
For aluminum, users typically use an optional spool gun and MIG process rather than TIG since the machine does not provide AC TIG output.
| Brand | Lincoln Electric |
|---|---|
| Model | Power MIG 140 MP |
| Part Number | K4499-1 |
| Processes | MIG, Flux-Cored, Stick, DC TIG |
| Input Power | 115V, Single-Phase |
| Input Current | 20A |
| MIG Output Range | 30–140A |
| DC TIG Output Range | 10–120A |
| Stick Output Range | 25–90A |
| Rated Output | 95A @ 18.75V @ 60% Duty Cycle |
| Wire Feed Speed | 40–500 IPM |
| Weight | Approximately 34.5–35 lb (15.6 kg) |
| Wire Capacity | .025"–.035" solid wire, .030"–.035" flux-core wire |
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