Can I run a small welder with this out in the field?

Yes — the FIRMAN H07553 can run many small welders in the field, as long as the welder’s input power requirements are within the generator’s capacity. The H07553 provides 7500 running watts (gasoline) with both 120 V and 240 V outlets, including a 240 V 50 A receptacle suitable for many welding machines. For best results: Check your welder’s input wattage or amps (listed on its nameplate/manual). As a general guide, this generator can typically support: Most 120 V inverter welders up to ~140–160 A Many 240 V welders up to ~180–200 A (depending on duty cycle and settings) Avoid running other large loads at the same time while welding.