Miller 951767 Multimatic 255 Pulsed Multi-Process Welder w/ RG (208-575V)
$2,111.00
The Miller 951767 Multimatic 255 is a top-tier multi-process industrial welder built for professionals who need MIG, Pulsed MIG, Stick, and both DC/Pulsed TIG in one system with up to 350A-class capability and wide voltage compatibility (208–575V). It is best suited for serious fabrication shops and production environments, not light workshop or hobby use.
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Description
Miller 951767 Multimatic 255 Pulsed Multi-Process Welder (208–575V) w/ Running Gear (RG)
The Miller Multimatic 255 (951767) is a high-end industrial multi-process inverter welder designed for serious fabrication, manufacturing, and heavy workshop use. It is part of Miller’s upper-tier portable systems, offering significantly more power and capability than the Multimatic 215/220 line.
This specific configuration (951767) includes the EZ-Latch running gear (RG), making it a more complete mobile shop setup with gas cylinder mounting and industrial transport frame.
Key Features
- True industrial multi-process capability
- One machine replaces MIG, TIG, and Stick setups
- Auto-Set Elite digital control
- Automatically sets welding parameters by material and thickness
- Pulsed MIG + Pulsed TIG
- Better control on thin materials and aluminum welding
- Wide voltage range (208–575V)
- Works in nearly any industrial environment
- EZ-Latch Running Gear (RG)
- Dual-cylinder gas rack + cable management system
- Makes the system mobile inside a workshop
Best Applications
- Industrial fabrication shops
- Automotive performance and chassis fabrication
- Aluminum fabrication (with spool/push-pull systems)
- Structural steel repair and manufacturing
- Heavy equipment maintenance
- Production welding environments
Advantages
- Extremely versatile (covers nearly all welding processes)
- High output (up to 350A class)
- Excellent for aluminum, steel, and stainless
- Advanced pulsed MIG improves weld quality and reduces distortion
- Industrial-grade control system with memory programs
- Strong shop mobility with running gear package
Limitations
- Not a light portable machine (84 lb class system)
- Expensive compared to entry/mid-range welders
- Requires proper industrial electrical setup for full performance
- Overkill for hobby or light garage use
| Brand | Miller |
|---|---|
| Full Model Name/SKU | Multimatic 255 w/ EZ-Latch Running Gear :(951767) |
| Country of Origin | USA |
| Welding Process | Pulsed MIG, MIG, Flux-Cored, Stick, DC TIG |
| Inverter/Transformer Technology | IGBT Inverter |
| Input Voltage | 208 – 575 V (Auto-Line Technology) |
| Output Current Range | 20 – 350 A |
| Duty Cycle | 60% @ 230 A, 100% @ 200 A |
| Open Circuit Voltage (OCV) | 87 VDC |
| Rated Input Capacity | 10.3 kVA @ 230V |
| Power Factor & Efficiency | Auto-Line Energy Management :Efficiency |
| Wire Feed Speed Range | 1.3 – 20.3 m/min (50 – 800 ipm) |
| Protection Class | IP21S |
| Insulation Class | Class F |
| Cooling System | Fan-On-Demand |
| Dimensions | 889 x 483 x 1016 mm (Total System) |
| Net Weight | 67 kg (Total System) |
| Smart Features | Pulsed MIG, Auto-Set Elite, 7-inch Color LCD, EZ-Latch Running Gear |
| Standard Compliance | CSA, IEC 60974-1 |
| Primary Application | Manufacturing, Custom Fabrication, Aluminum and Stainless Projects |
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