DuroMax XP8500EH 7000W/8500W Gas Dual Fuel Electric Start Generator New

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Sale price$1,099.00 Regular price$1,299.00

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Be ready for anything with the DuroMax XP8500EH generator. Equipped to run on either gasoline or liquid propane, this dual fuel unit can perform anywhere that portable power is needed. Easy to transport over any terrain, the XP8500EH generator will keep you going.


Power Wherever and Whenever You Need It

With 8,500 watts of power, the XP8500EH Dual Fuel generator will keep you powered at home or on the go.

Dual Fuel Technology

DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home

The Heart of a DuroMax

At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last.


XP8500EH Specifications

Peak Wattage 8,500
Running Wattage 7,000
Running Amperage at 120V 58.33
Running Amperage at 240V 29.17
Runtime at 25% Load 25
Runtime at 50% Load 12
Peak Wattage 8,075
Running Wattage 6,650
Running Amperage at 120V 55.42
Running Amperage at 240V 27.71
Runtime at 25% Load 20
Runtime at 50% Load 8
Engine & Emission Specifications
Engine Manufacturer DuroMax Power Equipment
Engine Type 4-Stroke
Valve Type OHV
Engine Cooling Type Forced Air
Engine Size 420cc
Engine Speed 3600 RPM
Starting Type Rocker Switch
Electric Start Yes
Recoil Start Yes
Idle Control No Load Low 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 37.2 fluid oz
Suggested Propane Tank Size 40 lbs. minimum
Automatic Low Oil Shutdown Yes
Cast Iron Sleeve Yes
Bearing Type Stainless Steel Ball Bearing
EPA Certified Yes
CARB Certified Yes
50 State Emissions Yes
Panel Specifications
GFCI Outlets Yes
Volt Meter Digital
Hour Meter Yes
5-20R 4
L14-30R 1
12v Automotive 1
Generator Specifications
Manufacturer DuroMax Power Equipment
Part # XP8500EH
Voltage 120/240 Volts
Frequency 60 Hertz
GFCI Outlets Yes
Propane Hose & Regulator Included
Winding Material 100% Copper Windings
Automatic Voltage Regulator Yes
Battery Type 12V SLA
Battery Included Yes
RV Ready Yes
Home Backup Ready Yes
Fuel Tank Capacity Gasoline 7.9 Gallons
Fuel Gauge Yes
All Metal Construction Yes
Product Dimensions 30"-Long x 30"-Wide x 26"-High
Product Dry Weight 204-lbs
Product Weight 210-lbs
Volume (db) 72 dB
UPC 811640016074
Warranty 3 Year
Wheel & Handle Kit Included
Wheel Type Metal Hub
Wheel Diameter 10-Inches
What's in the Box? XP8500EH Generator, Oil Funnel, Spark Plug Wrench, Tool Set, Wheel & Handle Kit, and Owners Manual


Product Manual

Sales Sheet



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. Nationwide service centers fix any issues - DuroMax has you covered!


Where can I safely store the generator?
The generator should always be stored in a cool dry area with the ventilation openings free from any obstructions. 

Where is it recommended to operate the generator?
The generator should be placed outdoors a least 5 ft in all directions from any flammable material, and at least 20 ft from any windows or doors. The generator should also be placed in a dry weather protected area. 

How do you safely transport a generator?
To safely transport the generator the generator should be emptied of all gasoline prior to transport, and the generators spark plug should be disconnected. Please note do not obstruct any ventilation openings and keep the generator in a cool dry area during transport.

Do alternative fuels to gasoline like propane or natural gas produce CO?
Yes, anytime any fuel is burned even alternative fuels like propane or natural gas, the CO fumes will be produced, and the generator should always be running outdoors 20 ft from any windows or doors for safety.

Can the generator be operated directly in rain or snow?
No, the generator shouldn’t ever be operated directly in the rain or snow without some type of overhead protection to keep it protected from the elements. Please note that there are multiple generator weather protection options including running generator tents that can be used to keep the generator dry during a rain or snow storm.


How to remove the generator shipping braces?
Step 1- lay a large piece of foam from the generator packaging on a level surface. Step 2- Flip the generator upside down onto the foam piece. Step 3- Remove the brightly colored shipping braces located on the bottom of the generator. Please note that the shipping braces should always be removed before any operation of the generator to avoid engine damage. Please also note that the generator should never be filled with any oil or gasoline prior to removing shipping braces

How do you connect the generator battery?
When the generator is first received the battery will have a disconnected negative lead to avoid the battery losing charge while in storage. The disconnected negative lead will be located above and behind the battery location, take the disconnected end of the negative lead and bolt this to the negative battery post. Please note to be careful not to allow your tool or any other conductive object touch the battery post and generator frame at the same time. 

What type of oil should I use in my generator?
If this is your first time using the generator you should use a conventional 30W, 10W-30, or 5W-30 oil to help break the product in for the first 6-8 hours. After the product has been broken in you can use either a synthetic or conventional oil depending on preference in either 30W, 10W-30, or 5W-30 depending on your climate. 10W30 will be sufficient for most temperatures, however if ambient temperatures exceed 95°F you should use 10W40.

How do you start the generator using the recoil start?
The first step to starting the generator using the recoil start will be to turn the circuit breaker and idle control feature to the “OFF” position. The second step will depend on the fuel used, if using gasoline turn the gasoline valve “ON”, and the fuel selector switch to the gasoline selection (if applicable for the generator model); if your using propane turn the gasoline valve “OFF” and move the fuel selector switch toward the propane selection (if applicable for the generator model), then connect your propane tank and turn the propane tank to the “ON” position; after the proper instructions are followed with starting on the desired fuel, move the battery switch to the “ON” position or if applicable move the start switch to the “RUN” or “ON” position depending on the generator model version. Finally, pull the recoil out slowly until tension is felt, then yank the recoil cord to start the generator; repeat this final step as necessary until the engine starts.

What type of gasoline should be used in the generator?
The generator will be compatible with 87 Octane gasoline or better with a 10% or less ethanol cut. Please note that the lower the ethanol content the more this can extend the life of your generator and parts. 


How to change the generator oil?
The first step will be to place the generator on a level surface before starting the oil change, then you’ll want to locate the generator drain bolt, which will be located on the center of the bottom protruding crankcase lip and place a container below the oil drain bolt location. The next step is to remove the drain bolt with a 12 mm hex wrench and allow the oil to fully drain. Finally, replace the oil drain bolt and remove the main oil fill cap, then add oil until you see the oil on the oil cap threading. Please note that as long as you fill the oil on a level surface, then the generator is built to spill out the excess oil before it can be overfilled. 

How to empty gasoline from your gas tank?
To remove the gasoline from the generator the first step will be to turn the fuel valve to the “OFF” position, and you’ll want to place a container under the fuel filter cup located on the bottom of the fuel valve, then remove the fuel filter cup and turn the fuel valve to the “ON” position to allow the gasoline to drain from the gas tank. Once fully drained replace the fuel filter cup and the draining process is complete. 

How to prepare your generator for storage?
To properly prepare the generator for storage first turn the breaker “OFF” and run the generator for 3-5 minutes; then turn the fuel valve to the “OFF” position and allow the generator to run until it stalls out. The next step will be to turn the battery switch, or engine switch depending on model to the “OFF” position, then remove the fuel filter cup, and drain the gas tank of all gasoline by turning the fuel valve to the “ON” position. The next step will be to remove the 2nd to the lowest bolt on the bottom of the carburetor bowl to remove any excess fuel from the carburetor bowl, and remove the spark plug; then add 2 tablespoons of 10W-30 oil into the spark plug hole and pull the recoil to help lubricate the cylinder. Finally, replace the spark plug, and remove the battery, then charge the battery on a trickle charger. Please note that the generator should always be stored in a cool dry location that’s protected from the elements and properly ventilated. 

How to properly maintain your generator battery?
The generator battery can lose charge in as little as 3 to 6 months of storage and should always be properly maintained. To properly maintain your generator battery we’d recommend disconnecting the generator battery from your generator and hooking the battery up to any 12V trickle charger that’s compatible with SLA batteries. Please note that extremely cold or hot conditions can accelerate the rate the battery loses charge.

How frequent should I perform maintenance on my generator?
The maintenance can vary depending on the model and whether you’re running the generator with light or heavy use. To properly follow maintenance please ensure that you read you full maintenance schedule on your included generator manual and it’s recommended to keep track of your hours and maintenance performed in your manual maintenance log. 

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