The DuroStar DS13000MX consistently earns top ratings among portable generators because it delivers 10,500 running watts with dual-fuel flexibility at a price point that undercuts comparable competitors by $400–$500.

The DS13000MX stands out for buyers who need whole-home backup capability — it produces enough continuous power to run a central AC compressor (2,000–3,500W), a refrigerator (150W), a well pump (800W), and additional loads simultaneously, while its dual-fuel design lets owners switch to propane when gas stations run dry after a storm. The DS13000MX also includes CO Alert automatic shutdown and an all-metal build with a cast iron cylinder sleeve.

  • DS13000MX running watts: 10,500W on gasoline, 9,975W on propane (approximately 5% lower).
  • DS13000MX peak starting watts: 13,000W — covers central AC compressor startup surge of 4,500–5,500W.
  • DS13000MX runtime: 17 hours at 25% load (2,625W) on an 8.3-gallon gasoline tank.
  • DS13000MX engine: 500cc OHV with cast iron cylinder sleeve, running at 3,600 RPM.
  • DS13000MX warranty: 3-year residential coverage on mechanical and electrical components.