The DuroMax XP28000iH 28,000-Watt Dual Fuel Portable Inverter Generator is built for serious home backup power, storm preparedness, and demanding jobsite applications. Designed to run on gasoline or propane, this high-output inverter generator gives homeowners and professionals the flexibility to choose the fuel source that best fits the situation. DuroMax lists the XP28000iH as a dual fuel inverter generator with 28,000 peak watts and 22,000 running watts on gasoline, plus 25,000 peak watts and 20,000 running watts on propane.

With clean inverter power and less than 3% total harmonic distortion, the XP28000iH is a strong choice for powering sensitive electronics, modern appliances, battery backup systems, tools, and essential household circuits. Whether you are preparing for hurricane season, supporting a large home during an outage, or powering equipment in remote locations, this generator delivers the wattage and reliability needed for high-demand use.

The XP28000iH is also home backup ready, equipped with two 50-amp outlets for use with generator interlocks or transfer switches. It features push-button electric start, remote start, demand-based variable idle, a digital volt meter, hour meter, battery tender port, and CO sensor shutdown for added safety.

Built around a powerful 999cc DuroMax OHV engine, 100% copper windings, and a large 12.7-gallon gasoline fuel tank, the DuroMax XP28000iH provides long-lasting performance for homeowners, contractors, farms, shops, and emergency backup power applications. On gasoline, DuroMax lists runtime up to 16 hours at 25% load and 9 hours at 50% load. On propane, runtime varies by tank size, with listed 50% load runtimes of 6.67 / 10 / 16.66 hours on 40 lb, 60 lb, and 100 lb propane tanks.

For customers who need a powerful, portable, dual fuel backup power solution, the DuroMax XP28000iH Dual Fuel Inverter Generator combines clean power, high wattage, fuel flexibility, and home backup capability in one premium generator package.

Features

• 28,000 Watts of Quiet, Clean, Sine Wave Power — Powers your whole home quietly and with ease.
• Tri Fuel Technology— Runs on gasoline, propane, or natural gas for ultimate fuel flexibility.
• Home Backup Ready — Equipped with 2 50 Amp outlets for use with generator interlocks or transfer switches.
• Natural Gas Hookup Made Easy — Includes 3/4” natural gas hose with Quick Connect fittings.
• 100% Clean Copper Windings – Maximize efficiency and extend the life of your generator for years of reliable power.
• AGM Battery Technology – Delivers longer lifespan and enhanced cold-weather performance.
• DC Output — Charge 48V/52V battery banks such as a Tesla Powerwall.
• 2-Wire Start — Seamlessly connects to your solar inverter’s dry contacts to automatically start and stop the generator when battery charging is needed.

In the Box

• XP28000iHT Generator
• Propane Hose and Regulator
• 15-foot x 3/4-inch Natural Gas Hose
• Oil Funnel
• Spark Plug Wrench
• Remote Control
• Battery Tender
• DC Output Wires
• Tool Set
• Owner's Manual

Specifications

• Model: XP28000iH
• Generator Type: Portable Inverter Generator
• Fuel Type: Gasoline and Propane
• Gasoline Peak Wattage: 28,000 watts
• Gasoline Running Wattage: 22,000 watts
• Propane Peak Wattage: 25,000 watts
• Propane Running Wattage: 20,000 watts
• Engine: 999cc DuroMax 4-Stroke OHV
• Voltage: 120/240V
• Frequency: 60 Hz
• Phase: Single Phase
• THD: <3%
• Gasoline Tank Capacity: 12.7 gallons
• Recommended Oil: 10W-30
• Oil Capacity: 84.5 fl. oz. / 2.5 L
• Noise Level: 70 dB at 25% load
• Dimensions: 39.25" L x 31" W x 34.5" H
• Weight: 466 lbs
• Warranty: 5-year parts and technical service warranty