Welding Output Range: 20 to 500 A DC Rated Output: 400 A at 36 VDC or 500 A at 40 VDC at 100% duty cycle Max Open Circuit Voltage: 92 VDC Engine: Kubota V2403 4-cylinder liquid-cooled diesel Engine Power: 48.9 hp Emissions Standard: EPA Tier 4 Final compliant 3-Phase Generator Peak Power: 27,000 W 3-Phase Generator Continuous Power: 20,000 W 1-Phase Generator Peak Power: 15000 W 1-Phase Generator Continuous Power: 12,000 W Fuel Tank Capacity: 25 gallons Net Weight: 1,750 lbs Length: 69.5 inches Width: 28.5 inches Height: 46 inches