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Predator 8750 - 7000/8750W Open Frame Inverter Generator

The Predator 8750 (57480) is a powerful open frame inverter generator with a rated wattage of 7000 W and a starting wattage of 8750 W.

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Price History
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Price history for the Predator 8750
Latest updates:
  • $1,299.99 - July 22, 2022
  • $1,349.99 - April 22, 2022
Data source: harborfreight.com
Since: April 22, 2022
  • Highest Price: $1,349.99 - April 22, 2022
  • Lowest Price: $1,299.99 - July 22, 2022

Description

Zoom on the Predator 8750

In a nutshell, the Predator 8750 is a powerful portable inverter generator mostly geared towards:

  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • Homeowners in need of an emergency backup power for their essentials
  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • Professionals who want to ensure that a power failure will not prevent them from working

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 in use

The Predator 8750

The Predator 8750's design includes a gasoline-fueled 420 cc (12 hp) OHV 4-stroke engine. With a 120/240V output, it gives a running wattage of 7000W and also a peak wattage of 8750W.

The inverter generator is rated for a noise of 75 dBA (just slightly more noisy than a shower). Its starting mechanisms include a simple traditional pull-start mechanism and a convenient and easy-to-use electric starter (battery included).

With a fuel capacity of 5.9 gallons, the 8750 may run for up to 15 hours with a full tank (fuel consumption around 0.39 GPH).

As the 8750 produces a clean sine wave, with a <3% Total Harmonic Disruption (THD), sensitive electronics may be plugged in the AC outlets safely.

Outlets

The control panel features the upcoming 5 AC outlets:

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

It also sports 3 DC outlets: there's two 5V USB ports (USB-A) with which charging of electronics like mobile phones and tablets is made convenient and a 12V 10A receptacle with which charging your batteries is made easy.

As the 8750 holds a twist-lock L14-30R receptacle, it is transfer switch ready: you'll easily be able to connect it to your breaker box to power your home during a power outage.

Portability

The conventional, open frame design of the Predator 8750 offers stability and allows the generator to be raised above ground level. The device has been designed for tough environments and demanding outdoor use.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 151 pounds. However, its challenging mobility is solved by its set of wheels (⌀10") and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the Predator 8750

The 8750's control panel

To help you monitor the 8750's status and activity, its control panel is equipped with a convenient meter showing you voltage, frequency and lifetime hours.

In addition to this info, some light indicators allow you to instantly see if the oil level is too low, the generator is overloaded and the generator is ready.

The inverter generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.

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

The unit also benefits from the Predator's CO SECURE™ carbon monoxide detection. This system monitors the accumulation of CO gas while the generator is running and will shut off the engine if the levels become dangerously high. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).

With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the Predator 8750 also comes with several accessories, including: tool kit, funnel and battery charging cables.

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, so it is adequate 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 151 lbs, which renders it one of the lighter generators which produce 6500 to 7500 rated watts. In terms of weight, one of the champions in their power range is the Sportsman GEN85KIDF, standing at just 133 lbs.
  • As this inverter generator has its lowest possible noise of 75 dBA, it should be considered noisier compared to its peers of a comparable running wattage. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Powerhorse 7500i, whose lowest noise levels reach just 55 dBA.
  • The 8750, falls within the average autonomy range compared to generators of a roughly same power, with a run time of up to 15 hours at a 25% load and a full tank. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Powerhorse 7500i, as it provides up to 16 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. This inverter generator can be considered as fuel efficient, due to its low estimated fuel consumption of only 0.39 GPH (gallon per hour) at 25% load, within the aforementioned wattage range. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.35 GPH, the Energizer eZV8000 is a device you could look out for.
According to our stats, the following comparison is pretty popular: Predator 8750 vs Predator 9500.

Price comparison

As you can see from this interactive chart, when compared to other 6500-7500W inverter generators, the Predator 8750 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
  • CO SECURE™ technology
  • Several accessories included
  • GFCI Outlets
  • Electric start
  • Inverter
  • Lightweight for its kind (151 lbs)
  • Fuel efficient
AVERAGE SPECS:
  • Decent run time
WEAKNESSES:
  • No 50-amp output
  • No remote start
  • No parallel ports
  • Weak warranty
  • On the noisy side (75 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
InverterYes
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
Peak amps (@120/240V)72.9/36.5 amps
Run time @50% loadUnknown
Run time @25% load15 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
DC outlets2x 5V USB port (USB-A)
1x 12V 10A receptacle
Data centerVFT
IndicatorsLow oil, overload and output ready
Fuel tank5.9 gal
Fuel gaugeYes
Misc
Weight151 lbs
Approx. dimensions (L x W x H)Unknown
Noise (lower limit)75 dBA
THD< 3%
ComplianceCARB, EPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel, tool kit, battery charging cables, battery, and wheel kit
Warranty90 days
Other model numbers57480

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 Harbor Freight'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 sizing calculator.
ItemRunning WattsStarting Watts
At homeDish washer15003000
Electric fry pan15001500
AC (10,000 BTU)15002200
Sump pump (1/2 hp)10502150
Pair of small speakers4545
Total5595 W7095 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Toaster oven800800
LED TV150150
Total5590 W6180 W
For workTable saw18004500
Air compressor (1 hp)16006100
Reciprocating saw730960
Bug zapper8080
Total4210 W8710 W
Does the predator 8750 inverter generator still ship with shipping brackets? (Asked May 18, 2021)

Yes, shipping brackets are installed between the engine and the frame to protect the unit during shipping.

Can you parallel 2-8750 inverter generators. For a 50 amp plug? (Asked October 12, 2021)

The unit does not feature parallel ports.

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

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Predator 8750
5.8 Total Score
5 reviews
Add your review
Price
8.4
Value
5.6
Quality
4.2
Performance
4.8

User Reviews

Most Recent Most Helpful Highest Rating Lowest Rating Add your review
  1. Avatar
    Ron Reidlinger March 9, 2022 at 12:35 am
    2.15
    Price
    100
    Value
    50
    Quality
    10
    Performance
    10

    Need a schematic. Price point is excellent as all harbor freight tools are. BUT get what you pay for.mine will not start by Battery.

    + PROS:
    • Good price. Maybe if it will run.
    - CONS:
    • Almost impossible to fill oil. No schematic. Will not start on electric. No idea or part number for alligator clip cable with a angled plug. Have to search for spark plug again as NO SCHEMA TIC
    Helpful(0) Unhelpful(1)You have already voted this
  2. 3.75
    Price
    80
    Value
    80
    Quality
    70
    Performance
    70

    This is an inverter generator and for the price that is a big selling point, however I don’t understand why they recommend using a surge protector with it. I am using one, but don’t see why it is necessary for an inverter.

    + PROS:
    • BIG plus, this is an INVERTER generator.
    - CONS:
    • Quite noisy, but it is outside my house and acceptable. Manual is not very good and incomplete. Oil fill is slow and will overflow before it is completely full, so it must be filled slowly. Will NOT start if it isn’t full of oil. Esc must be off when starting, but can be turned on after it has started running (will slow engine slightly and reduce noise level). Manual doesn’t mention why there is a cord with alligator clips on one end and what looks like an AC plug on the other (looks really dangerous).
    Helpful(1) Unhelpful(0)You have already voted this
  3. 3.75
    Price
    60
    Value
    80
    Quality
    80
    Performance
    80

    Like anything if you take care of it,it will take care of you.Did a lot of research on generators the 8750 was a no brainer if you want to add natural gas,propane it can be done easily.Other predator older model 9000 is still going strong for 551 bucks try to beat that.

    + PROS:
    • Quieter than older model runs great
    - CONS:
    • Warranty HF should give at least a year warranty with the price of this unit
    Helpful(0) Unhelpful(0)You have already voted this
  4. 3.15
    Price
    80
    Value
    60
    Quality
    40
    Performance
    70

    good generator if only had support from Predator when info. neded.

    + PROS:
    • good if we can make starter work again.
    • worked great for one summer only Harbr Freight offers no help.
    - CONS:
    • no info. on wiring, starter not working
    Helpful(4) Unhelpful(6)You have already voted this
  5. Avatar
    John Benites May 3, 2021 at 4:00 pm
    1.65
    Price
    100
    Value
    10
    Quality
    10
    Performance
    10

    Just bought one today. Had a problem with a bad vendor on the champion version 100520. Have a Honda eu2000 with 550 hours, zero problems, regular maintenance. Needed to power well pump, fridge,freezer, etc. Not for hvac or water heater. Started up great. Nice idle control, about as loud as a riding mower when running close to 7000 watts. Running a 30 amp transfer to main.

    + PROS:
    • Cost effective inverter.
    - CONS:
    • Can be a little loud.(It's not a Honda,lol)
    Helpful(4) Unhelpful(34)You have already voted this

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