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Part #: GEN4065
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Sportsman 4,000 Watt Gasoline Generator


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List Price: $489.99

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Arrives for Christmas to Woodbridge, NJ 02108 (Change)


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Ideal for camping, RV's, boating, home emergencies, and outdoor events. This durable tube frame encased generator uses a 6.5 horsepower OHV gasoline engine and the low oil shutoff switch prevents damage to the engine. The 4 gallon fuel tank has the capacity to run for 9 hours at 50 percent load. Don't get stranded without electricity anymore with the Buffalo 4000 watt generator.


  • Tube frame for protection and easy transportation
  • Sufficient power for appliances, power tools, and lighting
  • Recoil start
  • Automatic low oil shutdown
  • Running watts: 3250
  • Starting watts: 4000
  • Fuel tank: 4 gallon
  • Run time at half load: 9 hours
  • Engine: 6.5 HP OHV engine
  • Decibel rating< 68 db
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  • Overall Height - Top to Bottom: 17.25 Inches
  • Overall Width - Side to Side: 22.75 Inches
  • Overall Depth - Front to Back: 17 Inches
  • Overall Product Weight: 85 Pounds

Weights & Dimensions

  • Overall Height - Top to Bottom: 17.25 Inches
  • Overall Width - Side to Side: 22.75 Inches
  • Overall Depth - Front to Back: 17 Inches
  • Overall Product Weight: 85 Pounds


Number of Outlets: 2Low Oil Shutdown: Yes
Assembly Required: NoProduct Warranty: 1 year
Fuel Type: GasolineInstallation Required: No
Finish: Green and blackAdditional Parts Required: No
Hardware Finish: SilverPowder Coated Finish: Yes
Material: SteelNumber of Items Included: 1
Enclosure Material: SteelFuel Tank Material: Steel
Rust Resistant: YesEngine Type: 4 Cycle
Engine Horsepower: 6.5Rated Voltage: 120/240
Voltage Regulator: YesRunning Wattage: 3250 Watts (W)
Starting Wattage: 4000 Watts (W)Maximum Wattage: 4000 Watts (W)
Rated Frequency: 60 HertzTransfer Switch Included: No
Circuit Breaker: YesControl Type: Analogue
Starting System: RecoilOutlet or Receptacle Included: Yes
Power Cord Included: NoFuel Required: Yes
Tank Capacity: 4 GallonsRun Time at Half Load: 9 Hours
Hour Meter Included: NoCooling System: Air-cooled
Spark Arrestor Included: NoLow Oil Alert: Yes
Oil Included: NoOil Filter Included: Yes
Recommended Oil Type: SAE 10W-30Oil Capacity: 20 Ounces
Auto Shut Off: YesNoise Level: 68 Decibel
Air Filter Included: YesCover Included: No
Roll Cage: YesHandles Included: No
Indoor or Outdoor Use: OutdoorResidential or Commercial Use: Residential

“Hi, what is the RMP rating of the generator?” asked by Fauuke

"Hi Fauuke, the generator has a 3,600 RPM rating." Noel from Wayfair

Still have questions about this product? We're here to help

When you buy a Sportsman 4,000 Watt Gasoline Generator online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Sportsman Part #: GEN4065 here. If you have any questions about your purchase or any other Portable Generators product for sale our customer service representatives are available to help.Whether you just want to buy a Sportsman 4,000 Watt Gasoline Generator or shop for your entire home, Wayfair has a zillion things home.

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Return Policy

We want you to love it. If you don't, you may return your purchase within 30 days of delivery. All you need to do is visit our Self-Service Return Center for instructions. Return credits are issued within 24 hours once the item is received and inspected. Please note that shipping charges are non-refundable. The cost of return shipping will be deducted from your refund.

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Customer Reviews

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Average Overall Rating:
(based on 24 reviews)

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KP of Pennsylvania

 from Home, PA– Verified Buyer– Top 1000 Reviewer

Haven't had a chance to use this as of yet. Bought it when we lost power from a storm but I've not lost power again.

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 from Sicily Island, LA– Verified Buyer

We bought two of these one for us and one for my sons family just in case we needed it for a storm. Very nice quality.

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 from Chatfield, MN– Verified Buyer

very fast delivery, gen. is very good shape all parts are intact. Looks like a good place to order from

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Sportsman 4000 Generator

 from South Hill, Va– Verified Buyer

Came damaged, but runs well. Good customer service. Overall good experience.

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 from RIDGEWAY, VA– Verified Buyer

I will withhold comment until this is actually utilized. The 3 sstar rating will be updated as required.

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0 out of 1 people found this review helpful

Very satisfied

 from Bloomingburg, NY– Verified Buyer

I am totally satisfied with my purchase. I actually priced this same item in other stores, and they are pricing for $499.00. A great buy.

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 from NJ

So far so good. I do not have any compliaint yet. I will be back in the future to give my full review

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 from Penfield, PA– Verified Buyer

I LOVE This Generator Very QUIET Can be Used In STATE PAKKS or FEDERAL PARKS .One Person can handle it.

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Quieter then most

 from Trenton, NJ– Verified Buyer

unable to give it five, only used it one day out dring our second power outage after Sandy. It is quiet and powered our frige, a light, computers and charged phones, which all we were looking for.

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3 out of 3 people found this review helpful

great deal for the price

 from Toms River, NJ– Verified Buyer

Review this product in 20 words or more...powered up my TV Internet fios box computer refrigerator and some lights worked great

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This item is also sometimes listed under the following manufacturer numbers: GEN4065