Miller Electric Manufacturing Co. added a new Caterpillar Turbocharged C1.5T diesel engine as an option to its Big Blue 350 PipePro engine-driven welder/AC generator. The new engine is a liquid-cooled, three-cylinder, EPA Tier 4 Interim model that offers improved altitude compensation, which is critical for transmission pipeline welders who regularly work in high-altitude environments. At 24.7 horsepower and 1,800 rpm, the new engine is quiet and fuel efficient, saving operators as much as 50% in fuel use compared to older models at 3,600 rpm, according to the company.

The Big ...