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New! Auto-Set™ is a breakthrough control that automatically sets your welder to the proper parameters. Auto-Set offers all-in-one MIG, minus the guesswork! Simply set the wire diameter, set the material thickness, and start welding!

NEW Millermatic 140 (NEW Autoset Version)
 
Quantity in Basket: none
Code: 907335
Price: $690.00

Shipping Weight: 0.00 pounds
 
 
Mig-Cart 300425 ADD $75
 
Spoolmate 100 ADD $199
 
Canvas Cover ADD $42
 
Consumables Kit (023 Wire) ADD $25
 
Consumables Kit (030 Wire) ADD $25
 
Consumables Kit (035 Wire) ADD $25
 
Quantity:
 

Millermatic® 140 with Auto-Set™ 
All-in-one wire welding package welds 24 gauge - 3/16 in (0.8 - 4.8 mm) mild steel.
The simplest Millermatic to set-up and start welding. 

Add On Accessories Details:

 
Spoolmate 100 Spoolgun Consumables Kits for M-10 and M-15 Guns
(023, 030, or 035 Wire)

Manual Mode has the flexibility to manually set weld parameters for broader applications. 

NEW! Smooth-Start™ patent-pending technology provides a smooth, spatter-free start. —The best starting machine in the small MIG category. No more pop-gun starts or spatter to clean up. 

Durable cast aluminum feedhead incorporates dual groove quick-change drive roll and spring-loaded tension arm with calibrated tension knob, all designed to make setup easier and faster.

Thermal Overload Protection shuts down the unit and activates over- temperature light if airflow is blocked or duty cycle is exceeded. Automatically resets when fault is corrected and unit cools. 

"Tip Saver" short circuit protection shuts down output when tip is shorted to the work. Extends contact tip life and protects internal components from damage. Trigger reset permits quick reset at torch rather than unit. 

Standard Built-in solid-state contactor circuit makes wire electrically "cold" until trigger is pulled. Makes unit safer, and is easier to position torch to work before starting to weld.

Easy access to output studs provides convenient polarity changeover when switching from solid or flux cored wires.

Self-resetting motor protection circuit eliminates the need to find and replace fuses.

Uses 4 or 8 in (102 or 203 mm) spools and can be set up to weld with wire sizes .024 - .030 in (0.6 - 0.8 mm) mild/stainless steel and .030 - .035 (0.8 - 0.9 mm) flux cored.

Note: Auto-Set is calibrated for .024 and .030 mild steel wire and C25 shielding gas (75% Argon, 25% CO2). Use manual mode for broader applications with mild steel, or to weld stainless steel or flux core.

Process
MIG (GMAW) 
Flux Cored (FCAW) 

Applications
Light Industrial Applications
Light Fabrication 
Maintenance and Repair 
Farm and Ranch 
Auto Body 
Home 

Specifications

Input Power
Requires 1-Phase power 
115 V, 20 Amps 60Hz 

Rated Output
90A at 18 VDC, 20% duty cycle 

Welding Amperage Range
30 - 140 Amps

Wire Speed 
15 - 390 IPM (1.0 - 12.7 m/min) 

Net Weight
60lb (27.3kg) 

Comes Complete With
  • 10 ft (3m) M-10 Miller MIG gun 
  • 10 ft (3 m) work cable with clamp 
  • Factory-installed gas solenoid valve 
  • Smith® Argon and AR/CO2 mix regulator/flow gauge and gas hose 
    6 ft (1.8 m) power cord and plug 
  • Two contact tips for .024 in (0.6 mm) wire and two contact tips for .030 in (0.8 mm) wire 
    Dual groove quick-change drive roll for .024 in (0.6 mm) or .030/.035 in (0.8/0.9 mm) wire 
  • Spool of Hobart® .024 in (0.6 mm) solid wire 
  • Information/settings chart 
  • Set-up and operation video 
  • Material thickness gauge


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