DuroMax 13,500 Watt Portable Dual Fuel Inverter Generator - Quiet, Low THD

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13,500 Watts of Quiet, Clean, Sine Wave Power — Powers your whole home quietly and with ease.
Dual Fuel Technology — Runs on gasoline or propane for the freedom of fuel flexibility.
Home Backup Ready — Equipped with a 50 Amp outlet for use with generator interlocks or transfer switches.
AGM Battery Technology – Delivers longer lifespan and enhanced cold-weather performance.
100% Clean Copper Windings – Maximize efficiency and extend the life of your generator for years of reliable power.
DC Output — Charge 48V/52V battery banks such as a Tesla Powerwall.

All orders over $199 qualify for FREE Shipping, while orders under $199 ship at a flat rate of $12.95.

Free Shipping applies to the 48 contiguous U.S. states (excludes Alaska and Hawaii) and includes free liftgate and curbside delivery for all Generators 9,000 watts and above.

DuroMax stands behind this Generator with a 5 Year parts and technical service warranty. Our USA based teams are available to help walk-through, troubleshoot or diagnose. DuroMax offers service centers nationwide, ensuring convenient access to repairs and support when you need it.

If you have any questions, please contact us at 844-DUROMAX.

XP13500iH Generator
Propane Hose and Regulator
Oil Funnel
Spark Plug Wrench
Remote Control
Battery Tender
DC Cables
Tool Set
Owner's Manual

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13,500 Watt Portable Dual Fuel Inverter Generator - Quiet, Low THD

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Name: 13,500 Watt Portable Dual Fuel Inverter Generator - Quiet, Low THD
Brand: DuroMax
SKU: XP13500iH
Price: 2699.0 USD
Availability: InStock

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XP13500iH Specifications

Gasoline
Peak Wattage	13,500 W
Running Wattage	10,500 W
Running Amperage at 120 V	87.5 A
Running Amperage at 240 V	43.75 A
Runtime at 25% Load	19.9 hr
Runtime at 50% Load	10.8 hr

Propane
Peak Wattage	12,750 W
Running Wattage	10,000 W
Running Amperage at 120 V	83.33 A
Running Amperage at 240 V	41.66 A
Runtime at 25% Load	16.9 hr (40 lb)
Runtime at 50% Load	9.2 hr (40 lb)

Engine & Emission Specifications
Engine Manufacturer	DuroMax Power Equipment
Engine Type	4‑Stroke
Valve Type	OHV
Engine Cooling Type	Forced Air
Engine Size	550 cc
Engine Speed	3,600 RPM
Starting Type	Push Button
Electric Start	Yes
Recoil Start	Yes
Remote Start	Yes
Idle Control	Demand‑Based Variable Idle
Fuel Delivery System	Carburetor
Fuel Types	Gasoline and Propane
Oil Cooling Type	Splash
Recommended Oil	10W‑30
Recommended Oil Types	Blended, Conventional, or Synthetic
Oil Capacity	50.7 fl oz (1.5 L)
Suggested Propane Tank Size	40 lb minimum
Automatic Low Oil Shutdown	Yes
Cylinder Sleeve	Cast Iron
Bearing Type	TM6307YA Deep Groove Ball Bearing
CO Sensor Shutdown	Yes
EPA Certified	Yes
CARB Certified	No
50‑State Compliant	No

Panel Specifications
GFCI Outlets	Yes
Battery Switch	Yes
Battery Tender Port	Yes
Battery Tender	Yes
Voltmeter	Digital
Hour Meter	Yes
5‑20R	2
L14‑30R	1
14‑50R	1

Generator Specifications
Manufacturer	DuroMax Power Equipment
Part Number	XP13500iH
Voltage	120/240 V
Frequency	60 Hz
Total Harmonic Distortion (THD)	<3%
GFCI Outlets	Yes
4‑Foot Propane Hose & Regulator	Included
Winding Material	100% Copper Windings
Battery Type	12 V AGM Battery
Battery Included	Yes
RV Ready	Yes
Home Backup Ready	Yes
Fuel Tank Capacity Gasoline	8 gal (30.3 L)
Fuel Gauge	Yes
Product Dimensions	32.3" L × 23.6" W × 27.4" H
Package Dimensions	32.5" L × 24.75" W × 28.75" H
Product Dry Weight	234 lb
Product Weight	237.7 lb
Volume at 25% Load (dB)	66 dB
UPC	811640017491
Warranty	5 Years
Wheel Type	Metal Hub
Wheel & Handle Kit	Included
Wheel Diameter	6.75"
What’s in the Box?	XP13500iH Generator, 4‑Foot Propane Hose with Regulator, Oil Funnel, Spark Plug Wrench, Remote Control, Tool Set, DC Output Wires, Battery Tender, and Owner’s Manual

FAQs

The XP13500iH provides 13,500 peak and 10,500 running watts—enough for refrigerators, A/C, and lights. For whole-home backup, check power needs and consider a transfer switch or interlock. Hire a licensed Master Electrician for installation.

The XP13500iH is a Dual Fuel inverter generator, running on gasoline and propane. Run times vary by load. On gasoline, it runs up to 10.8 hours at 50% load. On propane, run time depends on tank size but typically lasts longer.

Yes, the XP13500iH is an inverter generator, meaning it produces clean power with low total harmonic distortion (THD) under 5%, making it safe for laptops, phones, and other sensitive devices.

Yes! It features push-button and remote start for easy operation. Backed by a 5-year coverage—exceeding industry standards.

As an inverter generator, the XP13500iH is quieter than traditional generators of similar power output. At a 25% load, it operates at approximately <66 dB, making it significantly quieter than open-frame models.

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Power at Home... or On-The-Go

DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. Unlike traditional standby generators that are large, expensive, yet only serve one purpose, DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite.

XP13500iH Specifications

Gasoline
Peak Wattage	13,500 W
Running Wattage	10,500 W
Running Amperage at 120 V	87.5 A
Running Amperage at 240 V	43.75 A
Runtime at 25% Load	19.9 hr
Runtime at 50% Load	10.8 hr

Propane
Peak Wattage	12,750 W
Running Wattage	10,000 W
Running Amperage at 120 V	83.33 A
Running Amperage at 240 V	41.66 A
Runtime at 25% Load	16.9 hr (40 lb)
Runtime at 50% Load	9.2 hr (40 lb)

Engine & Emission Specifications
Engine Manufacturer	DuroMax Power Equipment
Engine Type	4‑Stroke
Valve Type	OHV
Engine Cooling Type	Forced Air
Engine Size	550 cc
Engine Speed	3,600 RPM
Starting Type	Push Button
Electric Start	Yes
Recoil Start	Yes
Remote Start	Yes
Idle Control	Demand‑Based Variable Idle
Fuel Delivery System	Carburetor
Fuel Types	Gasoline and Propane
Oil Cooling Type	Splash
Recommended Oil	10W‑30
Recommended Oil Types	Blended, Conventional, or Synthetic
Oil Capacity	50.7 fl oz (1.5 L)
Suggested Propane Tank Size	40 lb minimum
Automatic Low Oil Shutdown	Yes
Cylinder Sleeve	Cast Iron
Bearing Type	TM6307YA Deep Groove Ball Bearing
CO Sensor Shutdown	Yes
EPA Certified	Yes
CARB Certified	No
50‑State Compliant	No

Panel Specifications
GFCI Outlets	Yes
Battery Switch	Yes
Battery Tender Port	Yes
Battery Tender	Yes
Voltmeter	Digital
Hour Meter	Yes
5‑20R	2
L14‑30R	1
14‑50R	1

Generator Specifications
Manufacturer	DuroMax Power Equipment
Part Number	XP13500iH
Voltage	120/240 V
Frequency	60 Hz
Total Harmonic Distortion (THD)	<3%
GFCI Outlets	Yes
4‑Foot Propane Hose & Regulator	Included
Winding Material	100% Copper Windings
Battery Type	12 V AGM Battery
Battery Included	Yes
RV Ready	Yes
Home Backup Ready	Yes
Fuel Tank Capacity Gasoline	8 gal (30.3 L)
Fuel Gauge	Yes
Product Dimensions	32.3" L × 23.6" W × 27.4" H
Package Dimensions	32.5" L × 24.75" W × 28.75" H
Product Dry Weight	234 lb
Product Weight	237.7 lb
Volume at 25% Load (dB)	66 dB
UPC	811640017491
Warranty	5 Years
Wheel Type	Metal Hub
Wheel & Handle Kit	Included
Wheel Diameter	6.75"
What’s in the Box?	XP13500iH Generator, 4‑Foot Propane Hose with Regulator, Oil Funnel, Spark Plug Wrench, Remote Control, Tool Set, DC Output Wires, Battery Tender, and Owner’s Manual

Warranty Information

DuroMax Power Product Support Files and Manuals

At DuroMax Power, we provide easy access to comprehensive support files and manuals to help you set up, maintain, and troubleshoot your equipment efficiently.

Available Resources:

User Manuals: Download detailed user manuals for step-by-step instructions on setup, operation, and maintenance.
Quick Start Guides: Get up and running quickly with our concise quick start guides.
Product Specifications: Access detailed product specifications to understand the features and capabilities of your DuroMax Power equipment.

Product Manual

Sales Sheet

Warranty

Wiring Diagram

Unbonding Instructions

Contact DuroMax Power for Product Support

Get Expert Product Support from DuroMax Power

At DuroMax Power, we're here to help you with any questions or issues you may have with our products. Contacting us for product support is easy and convenient.

How to Reach Us:

Phone Support: Speak directly with our knowledgeable customer service team for assistance at 844-DUROMAX.
Email Support: Send us an email with your inquiry, and our support team will respond promptly.
Live Chat: Use our live chat feature for real-time answers to your questions.

1-844-DUROMAX support@duromaxpower.com

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XP13500iH

$3,199.00 $2,699.00

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DuroMax 13,500 Watt Portable Dual Fuel Inverter Generator - Quiet, Low THD

⚡ Launch Exclusive Pricing - Secure Yours Now! ⚡