Genset Welder Generators
Engineer Advice
Paul Jones says
These are engine-driven welder generators, primarily used where you need both welding output and site power without relying on the mains. In a bodyshop or workshop context they come into their own for mobile repair work, outside bays, recovery jobs, and work on plant or commercial vehicles parked away from fixed supplies.
In practice you’ll be running MMA or possibly MIG from the welding side, with grinders, lights and small power tools off the auxiliary outlets at the same time. The key technical point is sizing: the generator must comfortably cover the welder’s demand plus whatever else you expect to plug in, with enough headroom to avoid voltage drop and unstable arcs. Fuel type and service access also matter; diesel units usually suit heavier, regular use.
A common issue I see is people buying on headline amps and then overloading the generator with extra tools, which shortens engine life and gives poor weld quality. Set up correctly and used within its true capacity, a good welder generator is a reliable way to keep welding and power available anywhere on site.
In practice you’ll be running MMA or possibly MIG from the welding side, with grinders, lights and small power tools off the auxiliary outlets at the same time. The key technical point is sizing: the generator must comfortably cover the welder’s demand plus whatever else you expect to plug in, with enough headroom to avoid voltage drop and unstable arcs. Fuel type and service access also matter; diesel units usually suit heavier, regular use.
A common issue I see is people buying on headline amps and then overloading the generator with extra tools, which shortens engine life and gives poor weld quality. Set up correctly and used within its true capacity, a good welder generator is a reliable way to keep welding and power available anywhere on site.
Paul Jones, Technical Director