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DuroMax
DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert

DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert

Best price now

$2,599.00at Acme ToolsChecked 2 h ago

Compared across 11 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $2,599.00 at Acme Tools (checked Nov 12, 2026).
  • Checked at 11 stores.

Our take on the DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert

The DuroMax XP15500HXT is a tri-fuel portable generator that runs on gasoline, propane or natural gas, so it can keep a home powered on whichever fuel is available. It delivers up to 12,000 running watts on gasoline and stays near that on propane and natural gas, with two 50-amp outlets for transfer-switch or interlock hookups. A CO Alert sensor shuts the engine down when carbon monoxide rises, and electric, remote and recoil starting cover most situations. It suits homeowners wiring it into a transfer switch for whole-home backup; it is heavy and loud like other open-frame units this size, and natural gas output is the lowest of the three fuels.

Best forWhole-home backup through a transfer switchHouseholds with a natural gas line for long outagesOwners who want remote and push-button startingBuyers wanting one generator for gas, propane and natural gas
Pros
  • Tri-fuel: gasoline, propane or natural gas
  • 12,000 running watts on gasoline, 11,500 on propane, 10,500 on natural gas
  • Two 50-amp 14-50R outlets for transfer switch or interlock
  • CO Alert shuts the engine down at dangerous carbon monoxide levels
  • Electric start, wireless remote and recoil backup
  • 550cc OHV engine with copper windings and cast iron cylinder sleeve
Cons
  • Heavy open-frame unit that needs a cart or several people to move
  • Loud at full load, as most open-frame generators are
  • Natural gas produces the least power of the three fuels
  • Needs a transfer switch or interlock for safe home hookup
  • Remote start fob range and battery upkeep draw complaints on this class of unit

DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert prices at every store

  • Acme ToolsNew

    In stock

    $2,599.00Checked 2 h ago
    Visit Acme Tools
  • DuroMax Power EquipmentNew

    In stock

    $2,599.00Free shippingChecked 2 h ago
    Visit DuroMax Power Equipment
  • Home DepotNew

    In stock

    $2,599.00Free shippingChecked 2 h ago
    Visit Home Depot
  • AP Electric & GeneratorsNew

    In stock

    $2,599.00Free shippingChecked 2 h ago
    Visit AP Electric & Generators
  • webstaurantstore.comNew

    Availability unknown

    $2,599.00Checked 2 h ago
    Visit webstaurantstore.com
  • Max ToolNew

    Availability unknown

    $2,599.00Checked 2 h ago
    Visit Max Tool
  • Factory Authorized OutletNew

    Availability unknown

    $2,599.00Checked 2 h ago
    Visit Factory Authorized Outlet
  • JBTools.comNew

    Availability unknown

    $2,599.00Checked 2 h ago
    Visit JBTools.com
  • FactoryPureNew

    Availability unknown

    $2,599.00Checked 2 h ago
    Visit FactoryPure
  • All Pro GeneratorsNew

    Availability unknown

    $2,599.00Checked 2 h ago
    Visit All Pro Generators
  • Tractor Supply CompanyNew

    Availability unknown

    $2,719.99Checked 2 h ago
    Visit Tractor Supply Company

Also available at

  • Truck LeatherCheck price at Truck Leather

DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert price history

Lowest price we've seen: $2,599.00 on Nov 13 at DuroMax Power Equipment. Tracked across 11 stores since Nov 13.

What reviewers say

Owners of DuroMax tri-fuel generators generally report reliable starting and strong output, and value the ability to switch fuels during an outage. Common complaints center on weight, noise and the upkeep of the starting battery.

What people mention
  • Fuel flexibilityPraisedOwners like running it on gasoline, propane or natural gas depending on what is on hand.
  • StartingPraisedElectric and remote start are reported to work reliably, with recoil as a fallback.
  • WeightCriticisedThe unit is heavy and awkward to move without help or a cart.
  • NoiseCriticisedIt is loud at higher loads, typical of open-frame generators.
  • CO shutdownPraisedThe carbon monoxide sensor and automatic shutdown are seen as a useful safety feature.

About the DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert

The DuroMax XP15500HXT is a tri fuel portable generator that runs on gasoline, propane, or natural gas. On gasoline it produces 15,500 peak watts and 12,000 running watts. It can connect directly to a home natural gas line with the included quick-connect hose.

It has a 550cc OHV 4-stroke engine with forced air cooling and a cast iron cylinder sleeve. The windings are 100% copper. A built-in CO Alert sensor shuts the engine down automatically if carbon monoxide reaches hazardous levels. The battery is an AGM type.

The generator starts with an electric push button, a wireless remote, or a backup recoil pull. The power panel has a digital volt meter, hour meter, and fuel gauge, plus a battery switch and GFCI-protected outlets. Two 14-50R outlets are made for use with a generator interlock or transfer switch. A Quick Pin Wheel Kit assembles without tools.

Model
XP15500HXT
Fuel types
Gasoline, propane, natural gas
Gasoline power
15,500 peak W, 12,000 running W
Propane power
14,500 peak W, 11,500 running W
Natural gas power
13,000 peak W, 10,500 running W
Gasoline amperage
100 A at 120V, 50 A at 240V
Propane amperage
95.83 A at 120V, 47.92 A at 240V
Natural gas amperage
87.5 A at 120V, 43.75 A at 240V
Gas runtime
15.8 hrs at 25% load, 10.5 hrs at 50% load
Propane runtime
25.2 hrs at 25% load, 10.8 hrs at 50% load (60 lb tank)
Natural gas supply
6 to 9 inches of water column; 278,000 BTU/hr at full load

Questions and answers

How much power does it make on each fuel?
It peaks at 15,500 watts and runs 12,000 watts on gasoline, 11,500 on propane and 10,500 on natural gas.
Can it connect to my home's natural gas line?
Yes. It ships with a quick-connect hose for a home natural gas line, which gives long runtime without refueling.
Can I hook it to my house panel?
It has two 50-amp 14-50R outlets for a transfer switch or generator interlock, which a qualified electrician should install.
How does it start?
Push-button electric start, a wireless remote and a recoil pull start are all included.
What does the CO Alert do?
A built-in carbon monoxide sensor shuts the engine down automatically when CO levels become hazardous.
What is the warranty?
DuroMax backs it with a 5-year warranty and US-based support.
Where is the DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert cheapest?
At Acme Tools, for $2,599.00, as of our latest check.
Where can I buy the DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert?
12 stores we checked sell it, including Acme Tools, DuroMax Power Equipment, Home Depot, AP Electric & Generators, webstaurantstore.com.

Stores we've priced the DuroMax 15,500 Watt Tri Fuel Portable Generator w/ CO Alert at

  • Acme Tools deals and prices
  • Factory Authorized Outlet deals and prices
  • Home Depot deals and prices
  • Tractor Supply Company deals and prices

More from DuroMax

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    DuroMax 17,500 Watt Tri Fuel Portable Generator w/ CO Alert
Engine
550cc OHV, 4-stroke, forced air cooled, cast iron cylinder sleeve
Outlets
4 x 5-20R household, 1 x L14-30R twist-lock, 2 x 14-50R
Starting
Electric push-button, wireless remote, backup recoil
Safety
CO Alert automatic shutdown, GFCI-protected outlets
Power panel
Digital volt meter, hour meter, fuel gauge, battery switch
Battery
AGM
Warranty
5 years
In the box
Generator, 4-ft propane hose with regulator, natural gas hose with quick connect, oil funnel, spark plug wrench, remote control, battery tender, Quick Pin Wheel Kit, tool set, owner's manual
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