Miller Trailblazer 302 Kohler Air Pak Welder/Generator with Gfci and Electric Fuel Pump (907549)

This version of the Air Pak 302 adds a ground-fault-protected outlet and an electric fuel pump to the same four-in-one welder, generator, compressor, and battery-charger platform, for a crew that wants those built in rather than wired on afterward.

What sets this build apart

Its spec sheet lists plasma cutting among the supported processes alongside MIG, flux-cored, stick, and TIG, something not called out the same way on the base 302 listing. The electric fuel pump takes the place of a manual priming step some gasoline engines of this size still rely on.

What it can run

Stick amperage on DC runs from 25 up to 300A, while TIG on DC covers 10 up to 300A; switch to AC and both TIG and stick settle into a narrower 10-to-225A band. MIG and flux-cored wire work in the 13-to-35V range at as much as 350A. Air output matches the base 302 as well, at 31 CFM across 80 to 160 psi, and the onboard charger still handles 12V or 24V batteries with jump-starts up to 450A.

Size and serviceability

At 771 pounds, it is built to stay mounted rather than move between sites by hand. Digital meters log service hours automatically, and side and top doors give access to the engine and compressor compartments without pulling the whole unit apart.

What does the added outlet protect against? Ground faults, for safer use of corded tools on site.

Specifications