Mig Welders Specs & manuals ↓
Miller Multimatic 255 907728
A single-phase multiprocess inverter with an integrated wire feeder, pulsed MIG, DC stick and DC Lift-Arc TIG. The machine-only 907728 configuration accepts 208–575 V input and weighs 84 lb. Its 60% duty ratings are 230 A MIG, 200 A stick and 275 A DC TIG, with a 7-inch color display, Auto-Set and saved welding programs.
Estimated equipment rental only. Delivery, taxes and applicable fees quoted separately. Final pricing confirmed with dispatch.
Specifications
Equipment
- Manufacturer
- Miller
- Model
- Multimatic 255 907728
Selected model & input
- Stock number
- 907728
- Configuration
- Machine package without running gear
- Input voltage
- 208–575 V AC
- Input phase
- Single phase
- Input frequency
- 50/60 Hz
- Processes
- MIG / pulsed MIG / flux-cored / DC stick / DC TIG / pulsed DC TIG
Output & input current
- MIG range
- 20–350 A
- MIG rated output
- 230 A at 25.5 V, 60% duty
- Stick range
- 30–275 A
- Stick rated output
- 200 A at 28 V, 60% duty
- DC TIG range
- 5–275 A
- DC TIG rated output
- 275 A at 21 V, 60% duty
- MIG input at 240 V rated output
- 29.7 A
- Stick input at 240 V rated output
- 29 A
- TIG input at 240 V rated output
- 29.9 A
- MIG input at 460 V rated output
- 17.1 A
- Maximum open-circuit voltage
- 81 V DC
Wire system & controls
- Wire feed speed
- 50–800 in/min
- Wire drive
- Heavy-duty aluminum, two-drive-roll
- Interface
- 7-inch color LCD
- Program storage
- Four programs per process
- TIG starting
- DC Lift-Arc
- Aluminum welding process
- MIG / pulsed MIG with compatible gun
- TIG output polarity
- DC
Handling
- Machine H × W × D
- 19.25 × 13.75 × 24.25 in
- Machine net weight
- 84 lb
- With separate running gear, H × W × D
- 32 × 13.75 × 45 in
- With running gear, net weight
- 148 lb
Equipment Details
Capabilities & Features
- Auto-Line single-phase input
- Auto-Set
- MIG and TIG pulse modes
- Locks and Limits
- Saved process programs
- USB software update port
Available Options
- 951767 single-cylinder running-gear package
- 951768 dual-cylinder / TIG-kit package
- 301518 TIG kit and compatible controls
- Compatible Spoolmatic / Spoolmate / XR aluminum guns
Specs & Manuals
PDF download
Factory specifications DC/12.9 — February 2026 (PDF)
PDF download
Factory owner manual OM-278174J — August 2025 (PDF)
Serial range: NE058790N – ZZ222222
Manufacturer resource
Factory parts manual PM-278174C — 2026 (PDF)
Serial range: MJ509225N–ZZ222222R
Manufacturer manuals
Manufacturer manuals and support
