Miller Millermatic 211 PRO MIG Welder
Miller Millermatic 211 PRO MIG Welder
Model 907839 · Miller Electric
120/240V MIG and flux-core welder, 30–230 A, up to 3/8 in. steel on 240V.
| Input | 120V or 240V single-phase (MVP plugs) |
| Amperage | 30–140 A (120V); 30–230 A (240V) |
| Rated output | 110 A @ 60% (120V); 160 A @ 60% (240V) |
| Steel | 24 ga–3/16 in. (120V); 24 ga–3/8 in. (240V) |
| Wire | .024–.035 in. solid; .030–.035 in. flux-cored |
| Weight | 35 lb |
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- Shipping weight: 46 lb
- Shipping: Ships by parcel carrier to your door
- Returns, freight and warranty for this machine
Our take
The Millermatic 211 PRO is a dual-voltage MIG welder built for the kind of work most small shops do: brackets, frames, trailer repair, gates and general fab in mild steel.
On a regular 120V outlet it welds up to 3/16 in. steel. Swap the plug (no tools) and run it on a 240V welder circuit, and it reaches 3/8 in. That makes it a good first machine for a shop that will add a 240V circuit later.
Auto-Set picks starting voltage and wire speed from wire size and material thickness, and you can fine-tune from there. Add a Spoolmate spool gun and straight argon and it welds aluminum too.
Before you buy
Will it run in your shop?
- Plugs into a standard 120V outlet (NEMA 5-15P) or a 240V welder outlet (NEMA 6-50P). Swap plugs without tools.
- Draws 27 A at rated output on 120V, so a dedicated 20 A circuit is the practical setup.
- Full output needs a 240V welder circuit with a 6-50R receptacle.
- Runs at full output on a generator of 8,000 W or more (Miller).
What's in the crate
- Millermatic 211 PRO power source
- 15 ft MDX-100 MIG gun
- 15 ft work cable and clamp
- Power cord with 120V and 240V MVP plugs
- Gas regulator/flow gauge and hose
- Two .030 in. contact tips
- Quick Select drive roll
- Material thickness gauge
What else you'll need
- Shielding gas cylinder (C25 for steel, argon for aluminum)
- MIG wire on a 4 or 8 in. spool
- Spoolmate 100 or 150 spool gun for aluminum
- Helmet, gloves, jacket, safety glasses
- 240V 6-50R circuit for full output
- Welding cart (optional)
Size, weight and shipping
- Shipping weight: 46 lb
- Crate/box: 23.75 x 13.75 x 18.5 in.
- Made in: USA
- Ships by parcel carrier to your door.
Full specs
Miller Electric model 907839
| Spec | Value |
|---|---|
| Processes | MIG (GMAW), flux-cored (FCAW) |
| Input power | 120/240V, single-phase, 50/60 Hz |
| Input amps at rated output | 27.0 A (120V); 28.9 A (240V) |
| Rated output, 120V | 110 A @ 19.5 VDC, 60% duty cycle |
| Rated output, 240V | 160 A @ 22.0 VDC, 60% duty cycle |
| Amperage range, 120V | 30–140 A |
| Amperage range, 240V | 30–230 A |
| Wire feed speed | 60–600 ipm |
| Solid wire | .024–.035 in. |
| Flux-cored wire | .030–.035 in. |
| Steel capacity | 24 ga–3/16 in. (120V); 24 ga–3/8 in. (240V) |
| Aluminum capacity | 18 ga–3/8 in. on 240V with spool gun |
| Spool size | 4 in. or 8 in. |
| Gun | 15 ft MDX-100 |
| Spool gun ready | Spoolmate 100 or 150, auto-detect |
| Power cord | 6.5 ft with NEMA 5-15P and 6-50P MVP plugs |
| Dimensions | 14.6 in. H x 9.75 in. W x 20 in. D |
| Weight | 35 lb |
Specs come from the manufacturer's current spec sheet. If something here doesn't match the plate on your machine, call us.
Consumables and parts for this machine
The wear parts you'll reorder, so you're not hunting part numbers later.
Freight, returns and warranty
Freight and delivery
Machines over about 150 lb ship by freight truck to the curb; smaller ones ship by parcel carrier. For freight, the carrier calls to set a delivery window, and liftgate and residential delivery can be added to your order. Inspect the crate before you sign, note any damage on the delivery receipt, and report it within 48 hours. We file the freight claim.
Returns
Return terms for this machine are set by the manufacturer and confirmed before you order. Returns need a return authorization. Non-defective returns carry a restocking fee and return freight.
Warranty
Miller True Blue: 3 years parts and labor on the welder; 90 days parts on the MIG gun
Manufacturer warranty terms are linked below. Some brands only cover machines bought from an authorized dealer, so we'll confirm coverage on this machine before you order. If something goes wrong, we'll help you start the claim.