Optimized for DualShield X Series
Advanced technology and simplified set up make multi-process (MIG/TIG/Stick) welding a breeze. This ready-to-weld package provides flexibility and power.

| Rated DCCV or DCCC Output (10 min base) | |
|---|---|
| 40% duty cycle (NEMA Class 1) | 300 amps @ 32 vdc |
| Output Current Range | |
| MIG/Flux Core (GMAW/FCAW) | 35-300 Amps |
| TIG (GTAW) | 10-300 A |
| Stick (SMAW) | 40-300 A |
| Open Circuit Voltage | |
| MIG/Fluxcore (GMAW/FCAW) | 70 vdc |
| TIG (TGAW) | 20 vdc |
| Stick (SMAW) | 70 vdc |
| Primary Input Voltage & Current | |
| @ 300 amp rated load | |
| 208/230 vac | 60 Hz, 1 ph, 66/60 Amps |
| Wire Feed Range | 65-675 ipm, 1.6-17.3 m/min |
| Net Weight | 250 lbs., 112.5 kg |
| Shipping Weight | 300 lbs., 136 kg |
| Length | 39.5 in., 100 cm |
| Width | 25.3 in., 64 cm |
| Height | 33.5 in., 85 cm |
| Part No. | Model / Product Description | UPC |
|---|---|---|
| 0558007778 | MM300X-GM400 15' 230V CO2 | |
| 0558007779 | MM300X-GM400 15' 230-575V CO2 | |
| 0558007780 | MM300X-MIG-TIG-STICK 230V | |
| 0558007781 | MM300X-MIG-TIG-STICK 230-575V |
| Part No. | Model / Product Description |
|---|---|
| 0558001786 | ORDER 0558001791 |
| 36779 | MT-250SG SPOOL GUN 25FT |
| 33839 | TC-2B TORCH CONTROL 25' |
| 35881 | WORK CABLE & CLAMP W/OKC 15-FT |
| 0558002889 | PREFLOW/POSTFLOW/SPOT/BB OPT |
| 0558002888 | MM260 INDUCTANCE TRIM |
| 21226 | ELECTRODE HOLDER ASSY 15 FT |
| 0558001082 | TORCH ADAPTER ASSY (COMPLETE) EURO |
| 0558002622 | ADAPTOR NAS TO EURO UNIVERSAL |
| 37833 | POWER EXTENSION CORD 25FT 50A |
| 19164 | ST-23A SPOOL GUN 30FT |
| 0558004449 | TIG/STICK SET 12FT FOR MM260 |
| 13792513 | 50 mm Connectors-Male for 1/0 to 4/0 cable |
| 19043 | GAS METER |
| 0558004450 | TIG/STICK SET 25FT FOR MM260 |
| 791F18 | MIG Welding Handbook |
| 999126 | KIT, ACCESSORY HW-17,18,26 |
| 781F29 | TIG Welding Handbook |
| 35856 | HW-17V-2TL 25FT |
| 35857 | HW-17V-2TL, 12.5-FT |
All listed prices are in U.S. dollars and represent the Manufacturer's Suggested Retail Price (MSRP) for sale in the United States. Actual selling price will be determined by the Distributor. Prices are subject to change without notice.