Processes
MIG (GMAW), Pulsed MIG (GMAW-P), Flux-cored (FCAW), DC TIG (GTAW), Stick (SMAW)
Miller MIG Machine Support
Multimatic 255
Industrial multiprocess Miller machine with MDX-250, aluminum spool gun, and push-pull gun support paths.
MIG (GMAW)Pulsed MIG (GMAW-P)Flux-cored (FCAW)DC TIG (GTAW)Stick (SMAW)
Industrial multiprocess
Welding range
Catalog-backed multiprocess range; use the owner manual for exact process limits before selecting a setup.
Input power
208 V or 240 V, single-phase
Wire feed speed
Catalog-backed MIG wire-feed support; verify exact process range against the owner manual.
Weight
See Miller catalog/owner manual for exact package weight.
Class
Industrial multiprocess
Machine Packages
| Stock number | Catalog package |
|---|---|
| 907728 | Multimatic 255 machine package |
Compatible Accessories
Multimatic 235/255 TIG Kit
301518 Catalog-discovered TIG accessory path.
Support page pendingMiller MIG Drive Roll Lookup
Drive-roll lookup by wire type, wire diameter, feeder style, and inlet guide.
Open support pageCompatible Guns / Torches
MDX-250 MIG Gun
250-amp Miller MIG gun support path.
Open support pageSpoolmate 200
300497 Aluminum spool gun support page.
Open support pageSpoolmatic Spool Gun
Industrial aluminum spool gun support page.
Open support pageXR-Aluma-Pro Push-Pull Gun
Aluminum push-pull gun support page.
Open support pageXR-Pistol-Pro Push-Pull Gun
Aluminum push-pull gun support page.
Open support pageMiller Catalog Accessories
These accessories are placed here only when the Miller catalog names this machine, torch, feeder, or family path. Verify plug style, voltage, package, and serial-specific details before ordering.
| Part | Accessory | Catalog fitment | Source / path |
|---|---|---|---|
| 301449 | EZ-Latch Single Cylinder Running Gear | For Millermatic 255/355 and Multimatic 235/255. | Catalog p. 122 Open support path |
| 951769 | EZ-Latch Dual Cylinder Rack Running Gear | For Millermatic 255/355 and Multimatic 235/255. | Catalog p. 122 Open support path |
| 301481 | EZ-Latch Dual Cylinder Rack with Elevated Gun and Cable Rack | For Millermatic 255/355 and Multimatic 235/255; converts 301449. | Catalog p. 122 Open support path |
| 301521 | Protective Cover | For Millermatic 255 and Multimatic 235 / 255. | Catalog p. 125 Open support path |
| 195379 | Air-Cooled TIG Torch Connector | 50 mm Dinse-style for Multimatic 235/255, Syncrowave 300/400, Maxstar 210/280/400, and Dynasty 210/300/400 A-200 / WP26 path. | Catalog p. 128 Open support path |
| 195378 | Air-Cooled TIG Torch Connector | 50 mm Dinse-style for Multimatic 235/255, CST, Syncrowave 300/400, Maxstar 210/280/400, and Dynasty 210/300/400. | Catalog p. 128 Open support path |
| 301545 | 10-Pin to 14-Pin Adapter Cord | For Multimatic 235/255. | Catalog p. 128 Open support path |
Full machine details
Welding Output
- Multiprocess output varies by process and input power.
- Use the machine data plate and owner manual for exact duty cycle confirmation.
Wire Capacity
- Steel MIG gun path connects to MDX-250 support.
- Aluminum setup paths include Spoolmate, Spoolmatic, and XR push-pull gun families.
Material Capacity
- Supports fabrication, repair, aluminum spool gun, push-pull, TIG, and stick workflows.
- Confirm material thickness range against the Miller owner manual before setup.
Included With This Machine
- MIG gun path connects to MDX-250 support.
- Catalog-discovered aluminum setup paths include Spoolmate 200, Spoolmatic, XR-Aluma-Pro, and XR-Pistol-Pro.
- Multimatic 235/255 TIG kit path is tracked separately from MIG compatibility.
Dimensions
See Miller catalog/owner manual for exact package dimensions.
Source: Miller Electric 2026 Full-line Catalog, catalog page 46, literature Corrected Miller 2026 full-line catalog. Product relationships on this page are kept separate from Amazon monetization data. Amazon buy buttons appear only after the product match, manufacturer, package quantity, and compatibility are verified.