2021 Miller Big Blue 500 Pro Engine-Driven Welder/Generator – hours 1345. 500 amp multiprocess welder with built-in generator producing up to ~20,000–27,000 watts auxiliary power. Powered by Kubota Tier 4 Final diesel engine (~48–50 HP). Supports Stick, MIG, TIG, Flux-Cored, and gouging applications with heavy-duty continuous-duty output. Trailer-mounted unit with low-speed diesel operation for fuel efficiency and extended runtime. Note: Unit is part of an active rental fleet. Hours may continue to increase.