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Sportsman GEN4000iOF Spec Review

The Sportsman GEN4000iOF is a compact open frame inverter generator with a rated wattage of 3500 W and a starting wattage of 3850 W.

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Set an alert for the Sportsman GEN4000iOF - Current lowest price: $649.00
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$649.00
Price History
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Price history for the Sportsman GEN4000iOF
Latest updates:
  • $649.00 - October 9, 2021
  • $538.92 - October 8, 2021
  • $649.00 - July 1, 2021
  • $538.92 - June 20, 2021
  • $649.00 - June 19, 2021
Data source: homedepot.com
Since: June 19, 2021
  • Highest Price: $649.00 - June 19, 2021
  • Lowest Price: $538.92 - June 20, 2021

Description

Zoom on the Sportsman GEN4000iOF

In a nutshell, the Sportsman GEN4000iOF is a compact portable inverter generator mostly geared towards:

  • RV travellers looking for even more independence
  • People occasionally participating in outdoor fairs, festivals or events
  • Amateur DIY lovers
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Sportsman GEN4000iOF in use

The Sportsman GEN4000iOF

The Sportsman GEN4000iOF's design includes a gasoline-fueled 223 cc (6.5 hp) OHV 4-stroke engine. With a 120V output, it gives a running wattage of 3500W and also a peak wattage of 3850W. Moreover, since it is parallel capable (parallel kit not included), its power may be doubled if linked to a second compatible unit.

The inverter generator is rated for a noise of 65 dBA (just slightly more noisy than an office). Its starting mechanism is based on a conventional pull-start mechanism.

The GEN4000iOF can operate for around 10 hours at 50% load with a full tank (fuel consumption around 0.45 GPH), due to its fuel capacity of 4.5 gallons.

Sensitive electronics can be safely plugged in the AC outlets, as the GEN4000iOF produces a clean sine wave, with a <5% Total Harmonic Disruption (THD).

Outlets

The control panel features the upcoming 3 AC outlets:

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

Additionally, it features 2 DC outlets: there's two 5V USB ports allowing you to conveniently charge electronics such as mobile phones and tablets.

This Sportsman generator is RV Ready, as it features a TT-30R receptacle (TT stands for 'Travel Trailer').

Portability

The Sportsman GEN4000iOF has the following dimensions: L23 x W17.5 x H20.3 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. The device has been designed for tough environments and demanding outdoor use.

The 93 lbs of the GEN4000iOF's dry weight enables you to use it anywhere you will ever need. Additionally, the generator’s mobility is also improved by its open frame design, as it can be easily grabbed and shifted.

Features

Panel of the Sportsman GEN4000iOF

The GEN4000iOF's control panel

When its oil levels are insufficient, the generator is on overload and the generator is ready, you will be informed by the featured light indicators.

The fuel level of the inverter generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), letting you use it with a peace of mind.

Besides the usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, Sportsman also included a tool kit in the GEN4000iOF's packaging.

Emissions

The Sportsman GEN4000iOF is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, so it is adequate for use in forested areas.

Product Video

The Sportsman GEN4000iOF versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Sportsman GEN4000iOF compare to generators of similar power (between 3000 and 4000 W).

  • As for its weight, the Sportsman GEN4000iOF weighs only 93 pounds, making it one of the lighter generators in the 3000-4000 rated wattage category. If weight matters to you, one of the champions in this power range is the WEN GN400i with only 66.1 pounds.
  • The inverter generator can be considered average in its noise for its power category, as it is rated at 65 dBA. If noise emissions are one of your priorities, you may be interested in the Cat INV4000E, one of the least noisy generators similarly powerful as this one, rated for 51 dBA.
  • As for its autonomy, the GEN4000iOF, with an autonomy of around 10 hours at a 50% load, is placed on the low end among the generators of its kind. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Predator 4375, boasting with around 16 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. This inverter generator is rather wasteful, compared to other devices within the aforementioned output range, when it comes to gasoline consumption, as it reaches roughly 0.45 GPH at a 50% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.17 GPH, the Westinghouse iGen4200 is a device you should look out for.

Price comparison

As you can see from this interactive chart, when compared to other 3000-4000W generators, the Sportsman GEN4000iOF is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • RV Ready
  • Parallel capable
  • Inverter
  • Lightweight for its kind (93 lbs)
AVERAGE SPECS:
  • Acceptable noise (65 dBA)
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • Relatively low run time
  • Low fuel efficiency

Do you own the Sportsman GEN4000iOF and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyYes
FuelGasoline
Engine223 cc OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 5V
Running watts3500 W
Starting watts3850 W
Running amps29.2 amps
Peak amps32.1 amps
Run time @50% load10 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
DC outlets2x 5V USB port
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tank4.5 gal
Fuel gaugeYes
Misc
Weight93 lbs
Approx. dimensions (L x W x H)23 x 17.5 x 20.3 in
Noise (lower limit)65 dBA
THD< 5%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
Accessories includedTool kit
Warranty1 year

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 GEN4000iOF 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 generator sizing 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
Cell phone charger2020
Total2780 W3370 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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