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Welder Supply Company Wisconsin, Illinois

Millermatic MIG Welders & Accessories

Miller's All-In-One Machine for GMAW/Flux Cored Welding

Millermatic is among the most versatile and easy-to-use Miller MIG welders. Smooth arc performance and reliable durability make them ideal for both hobbyists and professionals alike.

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22 items found

Why Millermatic?

Millermatic machines are renowned for their ease of use, versatility, and reliability, making them ideal for a wide range of applications from hobbyist projects to industrial welding.

With features like Auto-Set™ technology for simplified setup and smooth arc performance, Millermatic machines are user-friendly and suitable beginner welders while offering advanced capabilities for professional welding.

The Millermatic line provides a balance between performance and affordability, making them a popular choice among welders looking for high-quality equipment without breaking the bank.

Which Millermatic Machine Should You Buy?

Stepping into the Millermatic world? Here's a quick guide:

Millermatic 142

The compact, beginner-friendly option for thin mild steel (up to 1/8") with basic settings and limited adjustability. Ideal for hobbyists or occasional use. (Budget-friendly)

Millermatic 211

A step up, tackling thicker mild steel (up to 1/4") with more control and MIG brazing ability. Great for DIYers and light fabrication. (Moderate price)

Millermatic 252

A powerhouse for mid-range users, welding mild steel, aluminum, and stainless steel (up to 3/8") with robust settings and a spool gun option. Perfect for workshops and demanding projects. (Mid-range price)

Millermatic 255

Boasts pulsed MIG for intricate welds and aluminum expertise, handling thicker materials (up to 1/2") with portability thanks to its detachable cart. Ideal for professionals and diverse welding needs. (Higher price)

Millermatic 355

The top-of-the-line beast, conquering even thicker sections (up to 1/2") in mild steel, stainless steel, and aluminum with industrial-grade performance and multi-phase power options. Made for heavy-duty applications and serious welders.Premium price)

Remember, portability and ease-of-use often decrease with increasing power, so choose based on your material needs, skill level, and budget.

Millermatic Models Compared
MIG Model	Millermatic® 142	Millermatic® 211	Millermatic® 252	Millermatic® 255	Millermatic® 355
Variations	Machine Only With Running Gear	Machine Only (FREE Spool Gun!) With Running Gear Cylinder Rack	Machine Only (Select 208/230V or 230/460/575V) Spoolgun Aluminum Package 200(208)/230V Spoolgun Aluminum Package 230/460/575V	Machine Only Single Cylinder Running Gear Package	Machine Only Running Gear Package Aluma Pro Package
Price	$	$$	$$$	$$$	$$$$
Weld Thickness	Steel: 24 ga.–3/16 in. single pass Aluminum: 18–14 ga. single pass	120 V: 24 ga.–3/16 in. steel 18 ga.–1/8 in. aluminum 240 V: 24 ga.–3/8 in. steel 18 ga.–3/8 in. aluminum	22 ga.–1/2 in.	Up to 1/2” aluminum.	Up to 1/2” aluminum, stainless & mild steel
Input Power	120 V, 20 A, single-phase, 50/60 Hz	120 V: 24.3 A, single-phase, 50/60 Hz 240 V: 16.6 A, single-phase, 50/60 Hz	208/240 V, single-phase, 60 Hz 230/460/575 V, single-phase, 60 Hz	Auto-Line™ 208–240 V, single-phase	3- or 1-phase, 208/240/460/575 V, 50/60 Hz
Rated Output	100 A at 19 V, 60% duty cycle 80 A at 18 V, 100% duty cycle	120 V: 115 A at 19.8 VDC, 20% duty cycle 240 V: 150 A at 21.5 VDC, 40% duty cycle	200 A at 24 VDC, 60% duty cycle 250 A at 26.5 VDC, 40% duty cycle	230 A at 25.5 V, 60% duty cycle	310 A at 29.5 V, 60% duty cycle
Features	Auto-Set™ Segmented Display Smooth-Start™ Generator Compatible	Auto-Set™ Smooth-Start™ Generator Compatible Fan-On-Demand™ Cooling Generator Compatible	Highest Output in its Class Large, Digital Front Panel Auto Gun Detect™ Angled, Dual-Gear Driven, Cast Aluminum Drive System	Easy-to-Understand Interface Pulsed MIG Welding Auto-Set™ Elite Save & Recall Weld Settings Generator Compatible	7" Color LCD Screen Auto-Set™ Elite Electronic Parameter Chart Trigger Program Select
Typical Applications	General fabrication Maintenance & repair Auto body Farm and ranch Hobby	Light fabrication Maintenance & repair Auto body Farm/home	Metal fabrication Maintenance & repair Farm/home Light industrial	General fabricators Contract welding services Plant maintenance shops	General manufacturing General fabrication Maintenance & repair
2024 Spec Sheet	Millermatic 142 Spec Sheet	Millermatic 211 Spec Sheet	Millermatic 252 Spec Sheet	Millermatic 255 Spec Sheet	Millermatic 355 Spec Sheet