5500 Generac |verified| Jun 2026

A 5500-watt generator is considered a "sweet spot" size. It delivers enough wattage to run multiple heavy appliances simultaneously without the massive bulk, weight, and high price tag of large 10,000-watt industrial units.

A standard 1/3 HP sump pump draws about 800 running watts and 1,300 starting watts. 5500 generac

For those needing maximum durability and runtime, the is a commercial-grade beast with a 5,500 starting watt capacity. It uses a Yanmar industrial-grade diesel engine and an electric start with recoil backup . The massive 12-gallon fuel tank allows it to run for an incredible 32.4 hours at 50% load . As a premium heavy-duty unit, its price point is significantly higher, starting around $4,249 . A 5500-watt generator is considered a "sweet spot" size

Earl sighed. He was 67. His back ached from a long-ago slip on black ice. But he wasn't soft. He set his feet, took a deep breath, and gave it the pull of a man who had nothing left to prove. For those needing maximum durability and runtime, the

Another variant in the 5500-watt class is the . This unit is powered by liquid propane (LP) instead of gasoline. Propane offers several advantages: it is cleaner-burning, has an indefinite shelf life, and is easy to store safely. The LP5500 features an integrated tank holder that accepts standard 20 lb or 30 lb propane cylinders, giving you flexibility and extended runtimes. It produces the same 5,500 running watts but offers the convenience of a different fuel source.

Earl didn’t hesitate. He had one open outlet left on the Generac’s panel. He grabbed a second cord, walked with Dave through the frozen woods, and plugged in the concentrator. The little machine beeped, chirped, and began to whisper oxygen into the plastic tubes.

To help you get the most accurate setup details, could you share a bit more about how you plan to use this equipment? If you are interested, I can provide details on: The for this model A step-by-step guide for safe home hookup A comparison with similar champion or Westinghouse models