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DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator vs Westinghouse iGen12000DFc Dual Fuel Inverter Generator

These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.

DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator

Home backup through a 50A transfer switch outside California

The DS13000MX makes 10,500 running watts on gasoline or 10,000 on propane from a 500cc engine, with electric, remote and recoil start, CO Alert shutdown, a 14-50R and an L14-30R. It uses an automatic voltage regulator rather than an inverter, has a bonded neutral, not sold in California, and its written warranty covers parts only.

Published specifications

  • Manual: 10,500 running / 13,000 surge W gas; 10,000 / 12,500 W propane
  • Manual: two 5-20R GFCI, L14-30R 30A, 14-50R 50A; 120/240V
  • Maker: 8.3 gal tank; 17 h at 25%, 8.5 h at 50%; propane 40 lb minimum
  • Manual: 209 lb (Amazon 220 lb); electric, remote and recoil start
  • Manual: bonded neutral; maker: Not For Sale to California
  • Manual: 3-yr parts warranty, residential only; 1 yr commercial

Strengths

  • 14-50R and L14-30R outlets with watts listed for both fuels
  • Electric, remote and recoil start with battery and tender included
  • Detailed maintenance chart and break-in steps in the manual

Caveats

  • Not sold in California according to DuroStar's table
  • Written warranty covers parts only; labor not mentioned
  • About 209-220 lb and needs a 40 lb propane tank for listed run time

Check this model on Amazon

Read the full DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator guide

Westinghouse iGen12000DFc Dual Fuel Inverter Generator

Home backup through a 50A or 30A inlet with sensitive electronics

A 457cc dual fuel inverter rated 9,000 running watts on gasoline and 8,100 on propane, with 14-50R and L14-30R outlets, a GFCI duplex, remote and push-button start, and a CO shutoff. It weighs about 189 pounds and needs five feet of clearance. Parallel cables are extra and the maker marks it not CARB compliant.

Published specifications

  • Maker: 12,000 peak / 9,000 run W gasoline; 11,000 / 8,100 W propane
  • Outlets: 5-20R GFCI duplex, 14-50R, L14-30R, ST Switch port
  • 19 h gas at 25% on 7.9 gal; 9 h propane at 25% on a 20 lb tank
  • THD 3% or less; parallel cables sold separately (part 507096)
  • Remote, push button and recoil start; battery and charger included
  • 3-yr limited: 1 yr parts and labor, yrs 2-3 parts only

Strengths

  • 14-50R and L14-30R outlets with 3% or lower THD
  • Remote fob, push-button and recoil starting with automatic choke
  • Maker publishes propane runtimes tied to a 20 lb tank

Caveats

  • Maker page copy describes the tri fuel model; trust its spec table
  • About 189 pounds and five feet of clearance on all sides
  • Marked not CARB compliant; labor covered only in year one

Check this model on Amazon

Read the full Westinghouse iGen12000DFc Dual Fuel Inverter Generator guide

How to choose between them

Choose the DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator if your situation matches: Home backup through a 50A transfer switch outside California. Its main caveat: Not sold in California according to DuroStar's table.

Choose the Westinghouse iGen12000DFc Dual Fuel Inverter Generator if your situation matches: Home backup through a 50A or 30A inlet with sensitive electronics. Its main caveat: Maker page copy describes the tri fuel model; trust its spec table.

Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.

Primary sources

  1. DuroStar DS13000MX product page (duromaxpower.com) Source for DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator
  2. DuroStar DS13000MX user manual (rev 10/17/2025) Source for DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator
  3. Westinghouse product page and specifications for the iGen12000DFc Source for Westinghouse iGen12000DFc Dual Fuel Inverter Generator
  4. Westinghouse iGen12000DFc user manual Source for Westinghouse iGen12000DFc Dual Fuel Inverter Generator
  5. Westinghouse three-year limited warranty for portable generators and inverters Source for Westinghouse iGen12000DFc Dual Fuel Inverter Generator

Primary sources checked .