Miller Multimatic® 255 Multiprocess Welder w/ EZ-Latch™ Running Gear 951767

$3,445.00 $4,365.00 Reduced Price You Save $920.00
Product Number: 951767
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Miller Multimatic® 255 Multiprocess Welder w/ EZ-Latch™ Running Gear 951767

Built for professionals in the MRO and light manufacturing/fabrication segments who want a smaller, versatile welder with intuitive setup to increase efficiencies and productivity. This inverter multiprocess welder is easy to use, will deliver versatility for faster uptime and performance, while allowing for portability.

What's Included:

  • Power source with 10 ft. (3 m) power cord
  • 15 ft. (4.5 m) 250-amp MDX™-250 MIG gun w/Bernard® AccuLock™ S consumables for .035/.045 in. (0.9/1.2 mm) wire
  • 10 ft. (3 m) cable w/electrode holder & 50 mm Dinse-style connector
  • 10 ft. (3 m) work cable w/clamp & 50 mm Dinse-style connector
  • Flow gauge regulator and gas hose for argon or AR/CO2 mix
  • Extra contact tips
  • .035/.045 in. (0.9/1.2 mm) reversible drive rolls
  • EZ-Latch™ single-cylinder running gear
  • Chain to secure gas cylinder
  • Material thickness gauge
Versatility - Multiprocess Capabilities of MIG, Pulsed MIG, Stick (6010), DC Lift Arc TIG and DC Pulsed TIG

Easy-to-understand interface - 7-inch color LCD display ensures proper machine setup and parameter selection, reducing setup time and increasing weld time

Auto-Line™ Technology - For portability and reliability this inverter power supply allows for any single-phase input voltage hookup (208–575 V) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable power

Pulsed MIG welding delivers higher quality - Lower heat input for less distortion on thin materials, less spatter minimizes post weld grinding and rework allowing more welding time. Perform welding applications that couldn’t be done in the past

Auto-Set™ Elite - offers predefined weld settings to increase ease of use and ensure that the job is done right for operators of all skill levels

Program mode allows easy save and recall of favorite weld settings - Deliver more productivity, consistent quality by welders of all skill levels by using prequalified weld settings. Minimize supervisor need to intervene

MDX-250 MIG Gun w/ AccuLock™ S consumables - AccuLock liner loads from the front and locks at the front and back to insure proper alignment for flawless wire feed path. New rubber overmold and ball -and-socket handle design improves grip and reduces welder fatigue. New Industrial Bernard AccuLock™ S contact tips provide superior Spray and Pulsed MIG arc performance

Portability - Machine only weighs 84 lb - Weight is reduced by more than 50 percent compared to transformer welding machines

Optional EZ-Latch™ running gear - Operators no longer need to use lift truck to load machine and running gear into the truck. Latches secure machine to running gear. Simply loosen the latch retaining knob and rotate latches to disengage machine from running gear for easy portability

View all our entire selection of welding machines including Multi-Process Welders available at Welders Supply Company.
  • Multimatic® 255 Multiprocess Welder - 208-575V
Weldable Metals
  • Steel
  • Stainless Steel
  • Aluminum
Input Voltage
  • 208 V 
  • 220/230/240 V 
  • 460/480 V 
  • 575 V
Input Phase
  • 1-Phase
Input Hz
  • 50 / 60 Hz
Input Amperage
  • 34.7
Current Type
  • DC
Max Open Circuit Voltage
  • 81 VDC
Wire Feed Speed
  • 50 IPM - 800 IPM
Weld Output
  • CC / CV


Height: 42.00 Inches
Width: 19.00 Inches
Length: 40.00 Inches
Weight: 180 Lb(s) 0 Oz

Product Questions and Answers

Q - Which wireless foot controller do I need for this? A - The Miller Wireless Foot Control system #300429.
Q - Will this weld aluminum? A - Yes, but you will need a spool gun for welding aluminum. Any of these will work: Spoolmatic 15A Spool Gun #195156, Spoolmatic 30A Spool Gun #130831, Spoolmate 200 Spool Gun #300497

How to connect shielding gas supply:

  1. Secure gas cylinder.

    Obtain gas cylinder and chain to running gear, wall, or other stationary support so cylinder cannot fall nad brak off valve.

  2. Clean valve.

    Remove cap, stand to the side of valve, and open valve slightly. Gas flow blows dust and dirt from valve. Close valve.

  3. Install.

    Install so face is vertical.

  4. Adjust flow.

    Typical flow rate fro shielding gas is 20 to 30 CFH Check wire manufacturer's recommended flow rate.

  5. Install adapter.

    Install adapter with O-ring between regulator/flowmeter and CO2 cylinder.

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