DuroMax · Inverter generator
XP13500iHT
13,500 peak watts with gasoline, propane and natural gas operation and low-THD inverter power.
$2,999
$3,499
Direct price snapshot
Visual spec gallery
See the tradeoffs at a glance.
Up to 13,500 peak watts
Gasoline · 25% load
19.9 hr
Gasoline · 50% load
10.8 hr
Propane · 25% load
16.9 hr (40 lb)
Propane · 50% load
9.2 hr (40 lb)
Operational volume
Not listed
Manufacturer rating where supplied
Gasoline tank
8 gal (30.3 L)
234lb
Dry weight
32" L × 22.75" W × 26.5" H
Product dimensions
- Engine
- 550 cc 4‑Stroke OHV
- Fuel system
- Carburetor
- Warranty
- 5 Years
Starting
Push Button · Remote start · Recoil backup
Power quality
<3% · inverter
Safety
Low-oil shutdown · CO shutdown
Readiness
Home backup ready · RV ready
See the full panel specifications below · GFCI protected
Complete specifications
The manufacturer record, organized.
These fields come from DuroMax’s current official collection and model specification tables. Prices and availability can change; confirm the exact model and current documentation before purchasing.
Quick facts
- Engine
- 550 cc 4‑Stroke OHV
- THD
- <3%
- Dry weight
- 234 lb
- Warranty
- 5 Years
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)
Natural Gas
- Peak Wattage
- 11,500 W
- Running Wattage
- 9,000 W
- Running Amperage at 120 V
- 75 A
- Running Amperage at 240 V
- 37.5 A
- Natural Gas Fuel Pressure Requirements
- 6–9 inches of water column
- Natural Gas BTU Requirements at Full Load
- 225,000 BTU at full load
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, Propane, and Natural Gas
- 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
- XP13500iHT
- 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" L × 22.75" W × 26.5" H
- Package Dimensions
- 32.5" L × 24.75" W × 28.75" H
- Product Dry Weight
- 234 lb
- Package Weight
- 275 lb
- Volume at 25% Load (dB)
- 66 dB
- UPC
- 811640017507
- Warranty
- 5 Years
- Wheel Type
- Metal Hub
- Wheel & Handle Kit
- Included
- Wheel Diameter
- 6.75"
- What’s in the Box?
- XP13500iHT Generator, Oil Funnel, Spark Plug Wrench, Tool Set, Remote Control, Battery Tender, Propane Regulator, 15‑Foot × 3/4‑Inch Natural Gas Hose, DC Output Wires, and Owner’s Manual
Best-fit uses
- Home backup
- Jobsites
- Food trucks
- RV and recreation
Standout features
- Gasoline, propane, or natural gas
- <3% inverter output
- Automatic carbon-monoxide shutdown
- Remote start
- Home-backup ready
Compare it with your actual load.
Run your essentials through our independent wattage calculator before buying.