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4 and a Half stars

Review of the Champion 100891 Open Frame Dual Fuel Portable Generator

9375 Starting Watts, 7500 Running Watts on Gasoline
8400 Starting Watts, 6750 Running Watts on Propane
ELECTRIC START: YES

champion 100891

Should You Buy It?

As owners generally five 5-stars to the 100891, it does look like an excellent, versatile and powerful generator for some serious home backup and jobsite work. Champion are normally known for their affordable and robust products, and in general any of their generators are a good buy providing they match your power needs.

Key Points about the Champion 100891

Dual Fuel versatility
Electric start
Powerful outputs
Digital monitoring
Fuel Gauge
Lifetime Technical Support
Heavy
Open frame so noisy
Some quality control issues
Customer Service
Below you will find more detailed information on this model.

Overview of the Generator

Overview of the Champion 100891 Portable Generator
The 100891 is a powerful generator with electric start and the flexibility of dual fuel. It is an ideal solution for home backup during power outages and other emergencies. It's also a fine choice for powering tools and equipment on job sites. 

Similar to the gasoline-powered Champion 100813, this model is comparable with the similarly powered Westinghouse WGen7500DF dual fuel generator, as well as the single fuel Westinghouse WGen7500.

Controls and Features

Champion 100891 Panel Details
A digital (Intelligauge) display monitors voltage, frequency, and run-time hours. It also shows power output and keeps track of maintenance intervals helping owners to ensure a longer engine life.

 A low oil shut-off sensor shuts down the engine automatically when the level is too low to operate safely and won't restart until topped up.

A selection of outlets are available, with a 120v 30A locking outlet (L5-30R), a 120/240v 30A locking outlet (L14-30R), as well as 2 Duplex 120v 20A GFCI protected household outlets (5-20R). All these outlets need either extension cords or adapters. And to get the most out of a connection to a home's electrical system, a transfer switch is needed.

There is a patented fuel selector which allows you to safely switch between gasoline and propane, although obviously you can't use both at the same time.

As this model is EPA Certified and CARB Compliant it can be used in all 50 states.

Champion's Voltguard and Cold Start technologies are used in this generator to protect equipment from overload and make starting easier in cold weather.
 
Champion offer a 3-year limited warranty and free lifetime technical support. They also have a nationwide network of service centers.

If you're going to use the generator at higher altitudes Champion can provide a high altitude carburetor main jet. You'll need this because engine power and generator output reduces by about 3½% for every 1000 feet above sea level. Their Technical Support Team can give you instructions on how to install it. More information on this and other aspects of the 100891 can be found in the manual, here.

The generator is not equipped with a carbon monoxide (CO) sensor. Make sure you are aware of what this means.

Power Output

On gasoline, the big 439cc Champion engine produces 9375 starting watts and 7500 running watts. It runs for up to 10 hours at 50% load on its 7.7-gallon tank. Using propane, it outputs 8400 starting watts and 6750 running watts, and runs for up to 5.5 hours at 50% load on a 20lb tank. The generator comes as standard with a 6-foot propane hose with a built-in regulator.

This model is NOT parallel capable.

As this model is built with traditional technology, the recommendation for connecting sensitive electronics is to use a line conditioner/UPS.

Weight

The 100819 weighs just over 207lbs. A never-flat wheel kit is provided as standard to make it easier for you to move the unit around, though not everyone likes this kind of wheel. There's some more information about these wheels in our blog post, which you can find here.

Noise Level

First of all, our perception of sound and noise is subjective. What might sound loud to one person may be acceptable to someone else. And as there are no established standards on how to measure generator noise levels, some companies don't even publish numbers for any or all of their models.

However, buyers will often look for information about how loud a generator is because it can, for example, be an important consideration for those living in neighborhoods. This is possibly why most manufacturers do provide noise measurements, and the majority appear to be taken from around 23 feet.

But noise levels can change a lot depending on how and where the generator is placed. For example, if the exhaust is facing away from the measuring device the measurement is lowe.

Champion specify that the 100891 has a noise level of 74 dB at 23 feet, which they say is a bit louder than a vacuum cleaner.

What Most Buyers Like

Surprisingly, we have been unable to find any reviews for this model.

What Some Buyers Like Less

Unfortunately, we have found no information on this.
SPECIFICATIONS
Portable Generator TechnologyDual Fuel
Gasoline Starting Watts9375W
Gasoline Running Watts7500W
Propane Starting Watts8400W
Propane Running Watts6750W
Gasoline Starting Amps at 120V78.1A
Gasoline Starting Amps at 240V35.1A
Gasoline Running Amps at 120V62.5A
Gasoline Running Amps at 240V31.3A
Propane Starting Amps at 120V70A
Propane Starting Amps at 240V35A
Propane Running Amps at 120V56.3A
Propane Running Amps at 240V28.1A
Volts120/240
Frequency60Hz
OutletsGFCI 120V 20A Duplex (5-20R)(2)
120/240 30A Locking (L14-30R)
120V 30A Locking (L5-30R)
GFCI OutletsYes
Covered OutletsYes
Covered Circuit BreakersYes
Gasoline Run Time at 1/2 Load10 h.
Propane Run Time at 1/2 Load5.5 h.
Noise Level74 dBA
Parallel CapabilityNo
DC OperationNo
VoltmeterIntelligauge with Power Meter
Automatic Voltage RegulationYes
BatteryYes
Start TypeRecoil, Electric
Engine BrandChampion
Engine Size439cc
Engine Type4-stroke
Engine Speed3600
Fuel TypeGasoline, Propane (LPG)
Fuel GaugeYes
Gasoline Capacity7.7 gal.
Gasoline Tank MaterialSteel
Engine Oil Type10W-30
Engine Oil Capacity1.2 qt.
Engine Oil IncludedYes
Low Oil Shut-OffYes
WheelsYes
Wheel TypeSolid
Wheel Diameter9.5 in.
PGMA G300-2018 CompliantNo
EPA CertifiedYes
CARB CompliantYes
Length28.9 in.
Width27.7 in.
Height26.1 in.
Weight207.0 lb.
Last updated on: 9 December 2022
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