As a hobbyist or small shop owner, you probably had a chance to work with a Lincoln Power MIG welder, but commonly, we are talking about a 180-amp-rated machine.
However, if you feel like you need more power for your everyday tasks, you should bring the big guns, and that’s where Lincoln Power MIG 256 kicks in.
Lincoln 256 power MIG welder is a medium-duty machine you can use for your challenging MIG and flux-cored welding in light industrial job shop fabrication, maintenance, or repair work.
In this Lincoln Electric Power MIG 256 review, we will discuss value, features, the good and the bad.
Lincoln 256 Power MIG Package and Technical Specifications
Shop-Grade 250A MIG Welder With Industrial Wire Feed
- Lincoln Electric Power MIG 256 MIG welder
- Magnum® PRO 250L gun with 15 ft. (4.5 m) cable assembly
- Work clamp and 10 ft. (3.0 m) work cable
- Input power cable with plug
- Drive roll and wire guide for .035 in. and .045 in. wire
- Gas regulator and hose kit for argon blend gases
- 10 ft. (3.0 m) input power cable
Technical Specifications
| Processes | MIG (GMAW) / Flux-Cored (FCAW) |
| Input Voltage | 208/230V, 60 Hz |
| Input Phase | 1-Phase |
| Input Current at Rated Output | 56A @ 208V / 52A @ 230V |
| Polarity | DC |
| Amperage Range | 30 – 300 A |
| Max. Open Circuit Voltage | 40V |
| Rated Output | 250A/26V @ 40% Duty Cycle |
| Wire Feed Speed | 50 – 700 IPM |
| Weight | 245 lbs (111 kg) |
Pros
- True 250A rated output with a 300A ceiling
- 40% duty cycle at the full 250A rating
- Cast-aluminum MAXTRAC industrial wire drive
- Handles 10-44 lb spools with a built-in cylinder rack
- 3-year Lincoln factory warranty
Cons
- 220V-only input, no 120V option
- 245 lbs, so it stays where you set it
- Aluminum MIG requires the optional spool gun and adapter
- Premium price for a single-process machine
- No spool gun or adapter included in the box
The included Magnum PRO 250L gun covers daily work, and aluminum duty is available through the separately sold Magnum SG spool gun, which requires an adapter. MIG gun is extremely comfortable and sturdily designed. I loved the 15 ft. torch leads with 10 ft. clamp and cable leads, so your work is not tied to your MIG welder.
Lincoln Electric Power MIG 256 Review – welder Build, Features, and Power
After a brief introduction to the technical specifications and package contents, it is time for the main part of the review. In this section, we will discuss the build, power, and features of Lincoln Power MIG 256 Welder. Let’s see if Lincoln 256 really is a powerful MIG welder.
Build Quality
The first look at the Lincoln 256 power MIG welder leaves an impression of a massive, robust, and well-constructed machine.
With 245 lbs, it certainly is. However, the overall build is adjusted to maximum portability and versatility.
A built-in cart with a cylinder rack and chain will help you move it around the workshop, but it will take some effort.
In addition, there is a built-in cable hanger, Coil Claw Cable Management system, and MIG gun holder for convenient transport. I also liked the consumable part compartment, where you can leave extra contact tips and nozzles.
Inside the wire compartment, you will find an industrial-grade wire feed mechanism and adapter for easy spool change. In addition, there is an accurate reference chart that you can use to adjust the wire feed speed and amperage according to the application. Due to its robust dimensions, you can easily fit 10lbs and larger spools of .045.
Wire Feed System
A cast aluminum MAXTRAC wire drive system is something you don’t get to see on cheaper welders, and it stops most wire jams before they start. Lincoln put a lot of effort into the wire feed, so the 256 uses dual driven rolls to feed the wire smoothly and consistently, even at low speeds. From the brass to brass connections to the contact tip, the whole wire path is built for steady feed and better heat dissipation at the tip, which keeps wire speed consistent from spool to gun.
The wire is fed through a dual-roller system into a brass-to-brass gun receiver. The brass-to-brass connection ensures excellent reliability, more effortless interchangeability, better mechanical support, and electrical current transfer.
I liked the toolless design, as you don’t need special tools to change the wire. In addition, there is an easy-turn numeric tension indicator with a reference chart that will also impact the smooth wire feed. While many budget manufacturers replaced plastic feeders with full metal ones, you can’t really beat the
Lincoln Power MIG Input Power
Lincoln Electric 256 is a 220V-only MIG welder, but reliable Lincoln technology allows it to run in a wide range of 208/230V at various. Compared to the 180 amp model, or Power MIG 210MP welder, you can’t run 256 at 120V, but it does offer a significantly higher output.
With a 56 A draw at 208 V, the Lincoln Electric 256 Power MIG welder needs a shop-grade input circuit, not a machine you run off a portable generator. However, it offers a 115V auxiliary receptacle. You can use it to power smaller power tools such as grinders or auxiliary equipment you might find useful when welding.
Welding Controls
The control panel of the Lincoln Power MIG 256 welder is pretty straightforward and easy to use. The main part is reserved for infinitely adjustable wire feed speed and voltage knobs.
There are two digital displays that show your preset voltage and wire feed speed during setup, and actual voltage while welding, but it doesn’t end there.
The additional control board offers some advanced features such as 2T/4T mode, spot timer, run-in, and burnback. Each one of these will help you get the best out of the welder, and here are brief explanations:
- 2T/4T mode chooses the number of touches to operate the welder. 2T means two touches, and it is aimed at shorter welds. For longer welds, you can use 4T, where you press and hold the button to initiate the arc and then press and hold to shut it down.
- Spot timer will determine how long your welder will run, so you can get even, stitch or spot welds across the piece.
- Run-in acts like hot start in Stick welding, where you can get a bit hotter start when welding thicker pieces.
- The burnback control is used to set how far the wire will burn back once the torch trigger has been released.
Keep in mind that you can’t use any of these additional settings with a spool gun when you weld aluminum.
MIG Welder Power And Arc Performance
Due to higher input power requirements, this Lincoln Electric Power MIG welder can output 30 – 300 A.
The rated output categorize welder somewhat higher than hobbyist machines, such as Power MIG 180 or 210MP, but lower than real industrial welders, such as Lincoln Power Wave S500.
Therefore, Lincoln 256 is perfect for light-industrial applications and repair work around the house and small home shop.
A Rated duty cycle of 40% at 250 amps also shows us that this is not a real industrial-grade machine. Comparison-wise, the Lincoln Power Wave 300C, which is similarly rated at 300 amps, holds a 100% duty cycle at its rated output.
As a result, you can use the Lincoln Power MIG welder to weld mild steel up to 1/2″ or 5/16″ stainless steel in a single pass, and aluminum with the optional Magnum SG spool gun. This is still a MIG-first machine, so buyers who mainly want aluminum TIG work may prefer a Miller alternative. If you need more power, you can switch to Flux core welding to reach the maximum weldable thickness of 3/4″.
I liked the arc performance, which is really beginner-friendly due to the diamond core technology. As a beginner, you will appreciate the forgiving arc, excellent out-of-position arc stability, and low spatter that it offers. For precision aluminum fabrication, TIG is the better fit, while this machine’s strength is productive MIG work. I also liked the MIG aluminum welding results with a spool gun. The feed is exceptional, but it is somewhat bulkier due to the 250 amp rating.
Lincoln 256 MIG Welder Value
If you decide to invest in any “red” machine, you should be ready to spend quite a few bucks. This MIG welder is not the cheapest on the market, but looking at the build quality, power and versatility, I think it is money well spent. It is also not the right pick for buyers who need a multi-process welder.
Even if you get a chance to buy a used Lincoln industrial or semi-industrial welder, do not hesitate because it will serve you and maybe even your grandchildren. As long as you keep it stocked with high-quality consumables, Lincon 256 MIG welder will last and perform.
In addition, your investment is protected by Lincoln’s 3-year warranty, but in my experience, their machines well over last it. Buyers from the US and Canada can buy a two-year extension, but Lincoln’s widespread servicing network will get you covered on any occasion.
Lincoln Electric 256 MIG Welder Pros & Cons
Lincoln 256 MIG welder offers everything you need for light industrial, home shop, and repair applications. It is a well-constructed and massive machine that is built to last.
At 245 lbs, this is not a portable machine despite the built-in cart, but the excellent design will help you keep everything close, including the torch, cables, cylinder, and spare consumables.
Its 250 A rated output (300 A maximum) will allow you to weld up to 1/2″ thick steel, which is more than enough for your everyday needs. The arc is forgiving, and the machine is easy to set up, so it offers perfect features for both beginners and seasoned welders.
Even though you will have to spend quite a few bucks, I think that investment is well worth it, and there are no significant drawbacks to stop me from recommending this Lincoln 256 MIG welder to you, though buyers should also budget for proper safety gear when setting up the shop.
