MIG Welder, 200Amp 4 in 1 Gas MIG/Gasless Flux Core MIG/Stick/Lift TIG Multi Process Welding Machine

Works very well , compact and easy to use. It puts out enough to weld 1/4 inch steel no problem

I'm a novice welder and bought this multipurpose unit to repair a couple of items for a friend who owns a golf driving range. I have done AC stick welding and some DC TIG (45 years ago) and can generally stick things together that won't come apart but the welds aren't very pretty...This unit arrived well-packaged and without damage. The unit auto-detects voltage, has good fit and finish, synergic operation, and is comfortably quiet with a five second or so cool down fan delay when the unit is powered off. It comes with an adequate stick stinger, an adequate ground clamp, an adequate MIG torch, a 2lb roll of 0.030 flux-cored wire, one 0.8/1.0 v-knurled flux core roller, three 0.8 contact tips, a spare gas shield, and a 2' long 220v to 110v adapter cable. It does not include a gas regulator, TIG torch or welding helmet.Wire, rollers, contact tips and gas shields are all of standard types and readily available for purchase at attractive prices. It should be noted that the knurled v-groove roller provided will accommodate 0.035 flux core on the 1.0 side of the roller.Cables appear to be of good quality and are about 6' long--on the short side (good for me, less bulk to stow), but long enough to do effective work adjacent to the machine which is lightweight and easily portable.Since I had to weld some thicker stock, I ran a dedicated 220v 50A drop to my preferred welding location and used that successfully. If I have a future requirement, I will put together a 220v 50A extension cord of adequate length. I haven't tried 110v operation yet.Harbor Freight has a low-end welding cart which easily accommodates this unit, its accessories, and a gas bottle should I venture into gas MIG or TIG welding in the future. It permits ready access to and stowage of the unit which is handy. I also bought their foldable welding table which permits better stability for the MIG torch when welding smaller items.Instructions for this welder were virtually non-existent. A quick internet search located instructions for a similar unit from another manufacturer that were well-written, intelligible, and effectively led me through the set-up process and considerations.As a novice welder, I'm not sure of what I don't know but was able to figure things out and make effective welds with a little experimentation. I practiced for an hour or two on some scrap of varying thicknesses I had laying around the garage to get a feel for wire speed and penetration, then had at it with the two repairs. With 220v service, I got good results using 0.035" flux cored MIG wire to overlay 3/16" plate onto 5/16" plate to repair a ball picker wheel mount. I then dialed things back to weld a probably 3/32" mounting bracket back on to a 3/32" mower deck without burn-through or other issue. The MIG torch is easier to use than my old HF AC stick welder as it enables me to get closer to and contact the work before I pull the trigger to strike an arc. Tack welding is easy even though this unit doesn't have a tack welding option.I can't comment on stick, TIG or gas MIG, but imagine similar good results.Overall, for a $150 unit, I'm delighted with my purchase!

Hooked this welder up and did some flux testing. I also connected it to a load bank and tried various resistance settings to maximize power output. Here is what I learned.The various weld settings are as follows.flux .8, flux 1.0, mig .8 seemed to all function the same. Voltage output stayed the same, along with maximum power output.stick also has the same maximum output but the output stays hot. Once the output has a load on it, the welder will not switch away until the load is disconnected.I didn't test lift arc.The leftmost dial controls the voltage slightly with a +3 to -3 adjustment. I turned it to +3 to get the maximum power.OK, the maximum power I was able to get with 233 VAC to the machine was a measured 174 amps of welding current at 16.5 VDC. I was unable to get 200 amps of current, suggest this machine be renamed the MIG-175The welder is light, versatile and works well on both 120 and 240 VAC circuits. I didn't test maximum output with 120 VAC but assume it would trip the breaker as others reported so depends on your circuit breaker to some extent.Feeder works well but the ground cable is way too short so will be replaced soon. The Arc stinger arrived with a broken piece although doesn't affect it's operation. I didn't test as I have better stingers available.

This is a very good mig/flux welder for the price. The synergistic setting which adjusts wire speed to amperage works well. No problem with wire feed. Negatives: cables are short and cheap. The build quality is unknow, but no problems so far. I purchased and recommend you buy the extended 4 yr warranty for peace of mind. It stick welds 6011 and 6013 ok, not so much 7014 and 7018. Forget stick welding 6010. I did a little Tig welding, seemed OK. Reviewers report that it's falls well short of 200 amps (more like 160 max) amperage with 220v. I own quite a few Mig welders (Tweco 210, Hobart 190, Miller 215). At a mere $99, this welder holds its own for doing household repairs. You can't beat the price. The mig gun cable, stinger and ground leads are short. I replaced the ground and stick stinger cables. The short mig gun cable (5 Ft) works for me but could be a deal breaker depending on the reach you need for the work you do. Reviewers found it's maximum output is about 160 amps on 220v. Plenty of power for work I do. So far so good.

Absolutely Love my welder. It's a Great Deal and best all around welder to learn on and beginner welders to get comfortable.Works excellent! Very happy with this welder for the price.

Machine comes with no Product part list. Instruction manual is less than useless. Download the product PDF and prepare yourself for a laugh. Follow pdf instructions for wore insulation and LAUG harder.Didn't expect the manual or pdf to teach me too weld but it would be nice to know a parts list, so I know if I received everything, the possibly JUST THE BASIC MCHUNE SETUP.It's quite possible that a users manual and parts list was left out of mine but I doubt it.Tried YouTube S7 200A welder for information. NONE.Not saying it's a bad product but as of now it makes a Great Paper Weight.Oh might I add The paper the call a Manual, English translated from Chinese. Makes no sense if it's you're first time purchasing a Chinese product and reading what they call Instructions.Shirt Note.I'm 70 plus years old and have been in the Trades for 52 years pride myself in being able too read and follow direction and consider myself fairly knowledgeable in all building trades. So in closing if you're just a homeowner with little or no knowledge of mechanical things STAY AWAY.MR. B