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Predator 8750 Spec Review

The Predator 8750 (63087) is an open frame portable generator with a rated wattage of 7000 W and a starting wattage of 8750 W.

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Picture 1 of the Predator 8750
Picture 2 of the Predator 8750

Description

Powered by a reliable Predator gas engine, this generator is ideal for emergencies, job site use, recreation, household, lawn and garden, heating and cooling.

Zoom on the Predator 8750

In summary, the Predator 8750 is a portable generator especially useful for:

  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • Professionals who want to be able to deliver results, even during a power failure
  • RV travellers who wish to upgrade their experience to another level

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Predator 8750's core is the 420 cc (13 hp) OHV 4-stroke engine, which runs on gasoline. With an output of 120/240V, it provides a running wattage of 7000W and a peak wattage of 8750W.

With a noise rating of 76 dBA (less noisy than a shower), the generator features a conventional pull-start mechanism, but also a convenient and easy-to-use electric starter (battery not included).

The fuel capacity of 6.6 gallons allows the 8750 to operate for around 12 hours at 50% load with a full tank (fuel consumption around 0.55 GPH).

Outlets

The control panel provides the upcoming 6 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 30A (L14-30R) receptacle

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

Even if this Predator generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor, thanks to its L5-30R receptacle. Besides, because the 8750 is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.

Portability

With its dimensions of L26.9 x W22 x H22.8 in, the conventional, open frame design of the Predator 8750 offers stability and allows the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 183 pounds. Thus, you may also want to consider purchasing a wheel kit for this generator, similar to this one (opens in a new tab).

Features

Panel of the Predator 8750

The 8750's control panel

A light indicator serves to show you when the oil level is too low.

The generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off, which gives you a complete peace of mind when using it.

Along with the aforementioned features, from an accessory standpoint, the Predator 8750's box includes the typical documentation and an owner's manual (opens in a new tab), which will help you start your generator promptly.

Emissions

The Predator 8750 is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

Moreover, it features a spark arrestor, which makes it suitable for use in forested areas.

Product Videos

The Predator 8750 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Predator 8750 compare to generators of similar power (between 6500 and 7500 W).

  • Weight-wise, the Predator 8750 has only 183 lbs, which renders it one of the lighter generators which produce 6500 to 7500 rated watts. If you are concerned by weight, one of the champions in the above mentioned power range is the Sportsman GEN85KIDF, with a dry weight of just 133 pounds.
  • Among the generators of a comparable running wattage, this generator with a lowest noise of 76 dBA can be judged as noisy. If noise emissions are one of your priorities, you may be interested in the Powerhorse 7500i, one of the least noisy generators similarly powerful as this one, rated for 55 dBA.
  • Thanks to an impressive running time of around 12 hours at 50% load, the 8750 benefits from a higher run time than many generators of a similar output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Generac XC6500, as it provides around 14 hours.
  • The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. With an estimated gasoline consumption of 0.55 GPH (gallon per hour) at 50% load, this generator is among the more fuel efficient of the products in the above-mentioned wattage range. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Lifan ESI 7000iER-EFI. With a fuel consumption of as little as 0.38 GPH, it is one of the most efficient generators currently on the market.

Here's a list of the most popular specific comparisons:

The bottom line

STRENGTHS:
  • GFCI Outlets
  • Electric start
  • Lightweight for its kind (183 lbs)
  • High run time
  • Fuel efficient
WEAKNESSES:
  • No data center
  • Battery not included
  • No remote start
  • Weak warranty
  • On the noisy side (76 dBA)

Do you own the Predator 8750 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 readyNo
FuelGasoline
Engine420 cc OHV 4-stroke
Starting systemRecoil, Electric
Power
VoltageAC: 120/240V 60 Hz, DC: 12V
Running watts7000 W
Starting watts8750 W
Running amps (@120/240V)58.3/29.2 amps
Peaks amps (@120/240V)72.9/36.5 amps
Run time @50% load12 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
DC outlets1x 12V 8A (cigarette lighter style)
Data centerNo
IndicatorsLow oil
Fuel tank6.6 gal
Fuel gaugeYes
Misc
Weight183 lbs
Approx. dimensions (L x W x H)26.9 x 22 x 22.8 in
Noise (lower limit)76 dBA
THDUnknown
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
Accessories includedNo
Warranty90 days
Other model numbers63087,

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 Predator

Predator portable generators are solely distributed by the Harbor Freight Corporation, which has an impressive list of over 200 trademarked products. The Predator brand is one of their newer lines of outdoor power products. As with many other makes and models of power equipment sold by Harbor Freight, Predator generators are manufactured in China.

Warranty Information

The Predator 8750 is covered under a warranty for up to 90 days. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Predator generators, please consult Predator's warranty policies stated in the user manual (opens in a new tab). Alternatively, you can also contact their Customer Support : 1-800-444-3353.

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 size calculator.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Electric range21002100
Clothes iron12701270
Radio100100
Total5587 W7062 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Rice cooker650650
Total5580 W6000 W
For workTable saw18004500
Air compressor (1 hp)16006100
Reciprocating saw730960
Bug zapper8080
Total4210 W8710 W
Will it handle a 8000 BTU A/C / 21 CU Refrigerator / 2 - 60 watt lamps / 50 in LED TV...? (Asked April 02, 2020)

It should handle all these without any problems. However, we'd recommend giving a call to Harbor Freight to ensure that the power is clean enough to power sensitive electronics.

Where to buy a conversion kit to natural gas? (Asked June 21, 2020)

There are no official conversion kits. We do not recommend third party solutions as they could void your warranty and put you in violation of federal emission laws.

How much oil and what weight oil (Asked August 04, 2020)

Oil should be SAE 10W-30 above 32°F, SAE 5W-30 at 32°F or below. Engine oil capacity is 1.16 qt.

How do I purchase a carburetor for predator 8750 (Asked August 29, 2020)

Replacement parts can be ordered from Harbor Freight: 1-800-444-3353

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

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4 Reviews
Show all Most Helpful Highest Rating Lowest Rating Add your review
  1. 2
    Price
    40
    Value
    40
    Quality
    40
    Performance
    40

    You’re right about being noisy. Is there an aftermarket muffler that could help??

    + PROS:
    • Starts easily, works fine
    - CONS:
    • noisy
    Helpful(3) Unhelpful(2)You have already voted this
  2. 4.5
    Price
    100
    Value
    90
    Quality
    80
    Performance
    90

    This unit is a great deal for the price. I have used it to power my entire house at with zero issues. It starts very easy and has plenty of power. The wheel kit is a must, as this weighs a lot and is almost impossible to move by yourself without the wheels. All in all its a very good unit at such a low cost. I have 8 hours total runtime at this point within the last 3 months. Manual is written nicely for a unit of lower price.

    + PROS:
    • Starts very easy
    • Includes 240V connection for whole house application
    • Easy to fill with gas
    • Power Output for Price
    - CONS:
    • Weight
    • Wheel Kit not included
    • Noise
    Helpful(3) Unhelpful(1)You have already voted this
  3. 4.9
    Price
    100
    Value
    100
    Quality
    100
    Performance
    90

    I have owned this generator for well over a year now and was finally able to put it to the test last night. It started right away even after sitting outside under a cover for a year. I use sta-bil in the gas so I’m sure that helped. I was running 2 full size refrigerators, a 24,000 btu air conditioner, an old school plasma TV and cable box plus sound amplifier and miscellaneous light fixtures that were all converted to LED bulbs. This unit did great! I was without power last night in California during a record heat wave. It ran for about 6 hours before the power came back on. It is a little on the noisy side but it worked flawlessly and I’m totally satisfied. I gave a slightly less score for performance because of the noise.

    + PROS:
    • Electric start rocks! Very easy unit to start even with pull cord.
    - CONS:
    • It is a little bit noisy. Good thing my neighbors constantly have big noisy parties till 3 in the morning so I don't mind bothering them once in a blue moon during an outage; -)
    Helpful(1) Unhelpful(0)You have already voted this
  4. 5
    Price
    100
    Value
    100
    Quality
    100
    Performance
    100

    We use the predator 7000/8750 generator as an emergency whole house generator. It’s wired through a transfer switch and easily powers our country home – including electric water heater, furnace, well pump, and lights… we live the same on the grid as we do on this generator.

    We’ve run this generator continuously for the past 3 weeks due to wind and snow storms. I have it directly plumbed to a 55 gallon drum of fuel and it just does it’s thing. Couldn’t be happier. Will definitely need an oil change when the power is restored…

    + PROS:
    • Long run time
    • Runs the entire house (washer, gas dryer, furnace, electric hot water tank, well pump, lights, coffee maker, microwave... just need to watch how much you turn on at once)
    • 230v / 30A power - easy to connect to electric panel / transfer switch
    • Reliable
    • Easy to use & maintain
    - CONS:
    • Noisy
    Helpful(0) Unhelpful(0)You have already voted this

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