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DuroMax XP8500E, 7000 Running Watts/8500 Starting Watts, Gas Powered Portable Generator

3.9 out of 5 stars 49 customer reviews
| 8 answered questions

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  • 8500 Watt Surge/7000 Watt Continuous
  • 7 Gallon Gas Tank/8 Hour Run Time
  • Electric Key Start/Includes Battery
  • EPA Approved
  • Automatic Low Oil Shut Off
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  • DuroMax XP8500E, 7000 Running Watts/8500 Starting Watts, Gas Powered Portable Generator
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Technical Details

Compare to Similar Items

This item: DuroMax XP8500E, 7000 Running Watts/8500 Starting Watts, Gas Powered Portable Generator
Customer Rating 4 out of 5 stars (49) 4 out of 5 stars (528) 4 out of 5 stars (426) 4 out of 5 stars (227)
Price $749.99 $399.99 $796.58 $899.00
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Factory Authorized Outlet Factory Authorized Outlet Amazon.com Amazon.com
Power Source gas-powered gas-powered gas-powered gas-powered
Wattage 7000 Watts 3500 Watts 7500 Watts 8000 Watts
Voltage 120 Volts 120 Volts 120 Volts 120 Volts
Dimensions 21.3 inches x 20 inches x 28 inches 24 inches x 36 inches x 24 inches 22 inches x 27.2 inches x 20.5 inches 27.5 inches x 40 inches x 29 inches
Add to Cart Add to Cart Add to Cart Add to Cart

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Product Description

Safeguard your family as well as provide portable power for work and play with the DuroMax XP8500E gas-powered generator, which features a 16.0-horsepower air-cooled OHV engine that cranks out 7,000 constant running watts of power (and a peak of 8,500 watts; learn more about wattage needs below). It includes both a standard recoil start as well as an easy electric start.

XP8500E outdoors
Includes never-flat knobby tires and flip-up handle
(view larger).


XP8500E recoil
Recoil start as well as electric start (view larger).

This rugged workhorse is ideal for the jobsite where powering saws, drills, and other equipment is critical, but you can also depend on it for emergencies at home--insuring your essential appliances are running smoothly, reliably, and without interruption. It's EPA approved, and is also safe to use in U.S. National Parks thanks to the super quiet exhaust with spark arrestor.

Note for California residents: This model is not CARB-compliant. Units sold to California must be CARB-compliant.

XP8500E panel
Fully loaded power panel with electric start
(view larger).

The XP8500E includes four 120-volt, 20-amp standard household outlets to supply power to all of your appliances as well as a powerful 120/240-volt, 30-amp twist lock outlet for high-powered tools. A 12-volt DC output with leads functions as a charger for batteries and other rechargeable devices. Overloads are never a problem with its dual 15-amp circuit breaker. A volt meter allows you to monitor your generator's output range at all times, and the battery charge indicator light lets you know when the generator's starter battery is charging.

The exclusive DuroMax RV Switch (voltage selector) allows you to get maximum power from each of the 120-volt receptacles as well as choose between operating the generator at both 120 and 240 volts simultaneously, or at 120 only with full power.

With the electric start, it's as simple to get this generator going as turning on your car. And if the battery isn't fully charged, you can use the single-pull recoil cord to start the generator.

The XP8500E features a heavy duty steel frame roll cage with four-point fully isolated motor mounts for smooth and quiet operation. This generator is also easily portable thanks to the wheel kit with a flip-up, stow-away handle. The 10-1/2-inch all-terrain, never flat tires offer the flexibility and looks of a pneumatic tire without the rigidity of a solid tire--improving the mobility across both soft ground and hard surfaces.

You'll get up to 8 hours of run time (at 50 percent) from a 7-gallon tank of fuel. Other features include a super-quiet muffler, an advanced automatic voltage regulator (AVR) system and a low oil protection system which automatically shuts the generator off to protect it from any damage should it run out of oil. It's backed by a one-year limited warranty.

What's in the Box

DuroMax generator; battery for electric starter; wheel kit (with never-flat tires and flip-up handle); generator tool kit; operating instructions

Compare the DuroMax Portable Generators
Model # XP4400 XP4400E XP8500E XP10000E
49-state /
CARB compliant
XP4400 /
XP4400E /
XP8500E /
XP10000E /
Running watts 3,500 3,500 7,000 8,000
Starting watts 4,400 4,400 8,500 10,000
Engine horsepower 7.0 hp 7.0 hp 16.0 hp 16.0 hp
Starting method Manual Electric/manual Electric/manual Electric/manual
Low oil shutdown Yes Yes Yes Yes
Fuel tank size (gallons) 4.0 (steel) 4.0 (steel) 7.0 (steel) 8.3 (steel)
Run time
@ 50% load
8 hours 8 hours 8 hours 10 hours
Outlets (2) 120V, 20-amp, 3-prong;
(1) 120/240-volt, 30-amp twist-lock;
(1) 12-volt, 10-amp utility
(2) 120V, 20-amp, 3-prong;
(1) 120/240-volt, 30-amp twist-lock;
(1) 12-volt, 10-amp utility
(4) 120V, 20-amp, 3-prong;
(1) 120/240V, 30-amp twist-lock;
(1) 12-volt, 10-amp utility
(2) 120V, 20-amp, 3-prong;
(1) 120V, 30-amp twist-lock;
(1) 120/240V, 30-amp twist-lock;
(1) 120/240V, 50-amp heavy duty;
(1) 12V, 10-amp utility
Handle style Flip-up Flip-up Flip-up Flip-up
Wheel type 8-inch knobby all-terrain, pneumatic solid filled 8-inch knobby all-terrain, pneumatic solid filled 10-1/2-inch knobby all-terrain, never-flat solid 10-1/2-inch knobby all-terrain, never-flat solid
Warranty 1-year, limited 1-year, limited 1-year, limited 1-year, limited


Your Generator Needs

To determine whether a generator is appropriate for your needs, you need to first add up the wattage of tools, appliances, and motors you want to run at the same time. Then select a generator with the running wattage rating to match or exceed the total load.

Keep in mind that tools and appliances with electric motors require additional surge wattage at startup that can be double or triple the normal running wattage requirement. Look at the surge watts required and make sure you choose a generator with enough additional wattage to start them. (And remember that you're typically not starting more than half of the items at the same time.)

Here's a sampling of power ratings for common household appliances.

Furnace Fan (gas or oil only) 1/8 HP 300 500
1/6 HP 500 750
1/4 HP 600 1000
1/3 HP 700 1400
1/2 HP 875 2100
Refrigerator 700 2200
Microwave Oven 625 800
Coffee Maker 1750
Toaster 1050-1600 0
Electric Range/Oven 12,500 0
Well Pump 1/3 HP 750 1400
  1/2 HP 1000 2350
Sump Pump 1/3 HP 800 1300
  1/2 HP 1050 2150
Lights On Bulb

Television 300 0
Garage Door Opener 1/4 HP 550 1100
  1/3 HP 750 1400
Portable Heater 100-1500 0
Hair Dryer 1100-1600 0
Iron 1200 0
Water Heaters Gas 500 1500
  Electric 7000-7500 0
Computers Desktop 600-800 0
  Notebook 200-250 0
  Monitor 200-250 0
Printer 400-600 0
Fax Machine 600-800 0
Cordless Telephone 100 0

Note: These are only estimated wattages. Please check your particular appliance for actual wattage.

Product Information

Product Dimensions 20 x 28 x 21.3 inches
Item Weight 238 pounds
Shipping Weight 249 pounds (View shipping rates and policies)
Manufacturer Power Max
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Item model number XP8500E
Customer Reviews
3.9 out of 5 stars 49 customer reviews

3.9 out of 5 stars
Best Sellers Rank #190,078 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#158 in Automotive > RV Parts & Accessories > Power & Electrical > Generators
#390 in Patio, Lawn & Garden > Generators & Portable Power > Generators

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I finally decided to 'pull the trigger' and get a generator. Living in Connecticut, having the power go out 5 times over the last two years and having no power for more than two days is no fun. When looking for a generator I researched a lot of them but wanted certain features. I found them all in the XP8500. Here we go:

This item shipped for FREE and thankfully - it weighs in at over 200 lbs. 225 to be exact. The item shipped via FedEx which was another blessing. FedEx freight called and delivered on time with the package in perfect condition. It took about a week to arrive after I placed my order. Perfect. MaxTool was great - communication was solid and they were very helpful with answering my shipping questions.

Here is what I was looking for in a generator:
Volt meter
Gas gauge
at least 8000W
electric start with pull start back up
4 120v outlets
a unit with a muffler
auto idle
Carb compliant engine at least 15HP

As I stated above this thing is heavy. Once the wheel kit is assembled it carts around nicely although the handles are short - I'll get into that later. So, here is what I did which made things easier if you don't have help. First, cut the box with a box cutter knife on the corners so the flaps fold down. Now, get three 2x4's each about three feet long and stack them. This will give you enough clearance to get both the feet attached as well as the wheels. Start with the end which will have the feet. Lift this end up and slide the stacked 2x4's underneath. attach the feet, two nuts each. Now, you have the footing on one side you can use the 2x4's on the other end where the wheels go. Same thing on this end with a twist. Attach the axle - two nuts and bolts each side.
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I ordered the 10000 watt 16hp generator exactly nine days before Christmas, actually needing it two days before Christmas, and hoping for a miracle. I needed the unit to power a Clark 3DS floor machine which requires 8kw steady to operate. I was scheduled to refinish a school gym floor and couldn't get ahold of a rental piece of equipment.

Speaking to the sales rep - he told me I would probably not see the unit before Christmas - I hesitated and then ordered the unit anyway. The unit was sent from California to Nebraska and was delivered in 3 working days without a rush on shipping. I was ecstatic.

I unpacked the unit and found it simple to get ready to operate. I attached 200 foot of heavy guage 30 amp cord to the generator, hooked up my 3DS and fired up the generator. After about three minutes to allow for warm up, I activated the 3DS. The generator immediately picked up to full throttle, supplying ample power to my floor machine. So the initial test went okay.

Two days later at six o'clock in the morning, at a temperature of 10 degrees F, I cranked up the machine and got ready to start on the gym floor. After a five minute warm-up; I started and ran my 3DS for almost five hours straight. I had absolutely no problems with this unit and it didn't even use a half a tank of gas at full throttle for a good four hours.

Very happy about the solid wheels - no possibility for flats. Very happy about the electric start, individual breakers, idle control, and ease of operation. The noise was about what I expected for a 16hp motor, but was quieter than a lot of Briggs motors of less hp. Overall, a well built, solid unit. I would recommend it.

Update as of January 2012. I used the above generator to refinish 8 gym floors last year.
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Verified Purchase
The 8500 has identical spec's to the PowerMax XP8500E, but buying this one saves a C-note.

As a test the elderly recipient of this generator feebly pulled the cord to start the motor. At first it looked pointless as the effort failed to build up any momentum. The motor turned about one and a half strokes, but incredibly, the motor fired up on the second tug. The electric start worked fine, but if the battery happens to lose too much charge, starting the motor by hand proves easy enough. It's also possible to jump start it just like a car.

Delivery requires coördinating with a shipping company that only hands over the product to a warm body. For the customer accustomed to finding items dropped off at the stoop, that sucks. It also conflicts with having the item sent to a site other than home. The driver had no qualms, though, about loading the generator onto the back of a pick-up which was nice. Still, instead of waiting for a delivery which I had to transfer to another location,I could have just as easily bought a generator at the hardware store. Amazon used to conveniently leave items for me where ever I needed them delivered (Kansas, Michigan, Virginia). Now, I have to take time off from work to meet a trucker and complete the delivery myself. Gifts don't arrive as a welcome surprise anymore because the recipients have to go through the same rigamarole.

It has ample 120 volt receptacles to plug portable GFCI's into for running heavy duty extension cords through the house. This'll provide some immediate comfort while the electrician installs a transfer switch, a 30 amp inlet and sub-panel. He or she will also piece together a 10-4 SO extension cord to connect between the generator's 220 volt outlet and the sub-panel's inlet.
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