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Sportsman GEN4000DF-SS - 3500/4000W Dual Fuel Generator

The Sportsman GEN4000DF-SS is a compact open frame dual fuel generator with a rated wattage of 3500 W and a starting wattage of 4000 W.

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Sportsman GEN4000DF-SSSportsman GEN4000DF-SSSportsman GEN4000DF-SSSportsman GEN4000DF-SS
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Description

Zoom on the Sportsman GEN4000DF-SS

In summary, the Sportsman GEN4000DF-SS is a compact portable generator especially useful for:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Sportsman GEN4000DF-SS in use

The Sportsman GEN4000DF-SS

With its dual-fuel technology, the powerful and versatile Sportsman GEN4000DF-SS provides an output of 120V. While gasoline-powered, it gives a running wattage of 3500W along with a peak wattage of 4000W. While propane-powered, it provides 3100 rated watts and 3600 starting watts.

The generator is rated for a noise of 69 dBA (less noisy than background music). Its starting mechanism is based on a simple traditional pull-start mechanism.

With a fuel capacity of 3.9 gallons, the GEN4000DF-SS can operate for around 10 hours at 50% load using gasoline (fuel consumption around 0.39 GPH), or for around 12 hours (on a 20 lbs tank - propane consumption around 0.39 GPH) using propane.

Outlets

The control panel provides the upcoming 5 AC outlets:

Two Duplexes 120V 20A (5-20R)
120V 30A (TT-30R) receptacle

Additionally, it features 1 DC outlet: there's a 12V 8A receptacle with which you may charge your batteries with ease.

This Sportsman generator is RV Ready, thanks to its TT-30R receptacle (TT stands for 'Travel Trailer').

Portability

The dimensions of the Sportsman GEN4000DF-SS, which are L23 x W19.5 x H17.5 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.

As the GEN4000DF-SS's weight is only 91 lbs, it can follow you and your power needs anywhere. Moreover, its open frame design makes it incredibly easy to grab the frame in order to change its location.

Features

Panel of the Sportsman GEN4000DF-SS

The GEN4000DF-SS's control panel

As far as security is concerned, the generator can be used with a peace of mind, as it features an overload protection (circuit breaker) and an automatic low oil shut-off.

With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the Sportsman GEN4000DF-SS also comes with several accessories, including: tool kit, propane hose, battery charging cables and funnel.

Emissions

The Sportsman GEN4000DF-SS is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, making it usable in forested areas.

Product Video

The Sportsman GEN4000DF-SS versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Sportsman GEN4000DF-SS compare to dual fuel generators of similar power (between 3000 and 4000 W).

  • As for its weight, the Sportsman GEN4000DF-SS weighs only 91 pounds, making it one of the lighter dual fuel generators in the 3000-4000 rated wattage category. Regarding dry weight, one of the champions in the same power range is the Genmax GM3500iAED, with a dry weight of only 56.2 lbs.
  • This generator, with its lowest possible noise rated at 69 dBA falls into the more noisy category, compared to other devices of a similar running wattage. If noise emissions are important to you, one of the least noisy generators of this power range is the Westinghouse iGen4500DF with only 52 dBA.
  • Regarding its autonomy, the autonomy of the GEN4000DF-SS, reaching around 10 hours at a 50% load, can be considered as low end, compared to other dual fuel products of a roughly equal output. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Westinghouse iGen4500DF, which is able to run for around 15 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. Compared to its peers, this generator is not exactly fuel efficient, compared to similarly powerful devices, with an estimated fuel consumption of 0.39 GPH at a 50% load. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse iGen4500DF. With a fuel consumption of as little as 0.23 GPH, it is one of the most efficient generators currently on the market.

Price comparison

As you can see from this interactive chart, when compared to other 3000-4000W dual fuel generators, the Sportsman GEN4000DF-SS is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget generator.

The bottom line

STRENGTHS:
  • Inexpensive
  • Several accessories included
  • RV Ready
  • Dual Fuel
  • Lightweight for its kind (91 lbs)
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • 1-year warranty
  • On the noisy side (69 dBA)
  • Relatively low run time
  • Low fuel efficiency

Do you own the Sportsman GEN4000DF-SS and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyYes
FuelDual Fuel (gasoline/propane)
Engine212 cc OHV 4-stroke
Starting systemRecoil
VoltageAC: 120V 60 Hz, DC: 12V
Power
 GasolinePropane
Running watts3500 W3100 W
Starting watts4000 W3600 W
Running amps29.2 amps25.8 amps
Peak amps33.3 amps30 amps
Run time @50% load10 h12 h
Run time @25% loadUnknownUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
DC outlets1x 12V 8A receptacle
Data centerNo
IndicatorsNo
Fuel tank3.9 gal
Fuel gaugeNo
Misc
Weight91 lbs
Approx. dimensions (L x W x H)23 x 19.5 x 17.5 in
Noise (lower limit)69 dBA
THDUnknown
ComplianceEPA
SecurityLow oil and overload protection
Spark arrestorYes
Accessories includedFunnel, tool kit, propane hose, and battery charging cables
Warranty1 year
UPC027077082357

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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About Sportsman Series

Sportsman Series is a small brand registered under the US based Buffalo corporation. Founded in 1964, the Buffalo Corporation is a small company, which sells tools and home products. Their brands include AmeriHome, Black Bull, Buffalo Tools and Sportsman Series – which offers a selection of generators and several other general products. The brand, and in fact, the corporation itself seemingly outsources all of its production overseas and acts only as a distributor, under its own brands.

Warranty Information

The Sportsman GEN4000DF-SS is covered under a warranty for up to 1 year. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Sportsman generators, please contact the Buffalo Tools Customer Support: 1-636-532-9888.

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our wattage calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Toaster oven800800
Total2792 W3792 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Slow cooker270270
Total2760 W3350 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W
Can it be converted to natural gas instead of propane? (Asked August 11, 2020)

There are no official conversion kits. You may find non-officials. However, we do not recommend such modification. In addition to potentially voiding your warranty, you could also be breaking your local emission laws.

Couldn't find the right answer for you? Ask your own question.

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Sportsman GEN4000DF-SS
8.3 Total Score
1 review
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Price
6
Value
10
Quality
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Performance
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User Reviews

  1. 4.15
    Price
    60
    Value
    100
    Quality
    100
    Performance
    70

    Great machine weather in a power outage for days and weeks. To using camping or just backyard fun. I live in the Florida panhandle which sees alot of severe storms and tropical storms and hurricanes. Plus a tornado once in awhile. So this generator is a must and starts up with one pull usually. Thanks Buffalo Corp.

    + PROS:
    • It's powerful to run all my important things when we lose power at home. It runs pretty quiet compared to other name brands.
    - CONS:
    • It should come with wheel and handle kit.
    Helpful(1) Unhelpful(0)You have already voted this

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