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Powermate PM4500 - 3600/4500W Portable Generator

The Powermate PM4500 is a portable open frame generator with a rated wattage of 3,600 W and a starting wattage of 4,500 W. (Read full specs)

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Description

The PM4500 features a steel frame and a compact design with integrated wheels and handle that makes it easy to move and put in place. With 4500 starting watts and 3600 running watts, this generator is powerful enough to run small electrical appliances at any picnic, campground or tailgate and versatile enough to power tools for your next DIY project.

Zoom on the Powermate PM4500

In a nutshell, the Powermate PM4500 is a portable generator mostly geared towards:

  • RV travellers looking for even more independence
  • People occasionally participating in outdoor fairs, festivals or events
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals who want to ensure that a power failure will not prevent them from working

Over the following sections, you'll uncover its power characteristics, the selection of outlets it offers, its overall portability, and the supplementary features it includes.

Power & Run Time

The Powermate PM4500 in use

The Powermate PM4500

The Powermate PM4500 is powered by a 224 cc Generac OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 3,600W as well as a peak wattage of 4,500W.

This generator utilizes a traditional recoil pull-start mechanism for startup. It features Powermate's PowerDial™, an easy-to-use dial with three operation settings.

The PM4500's fuel tank holds 5 gallons, ensuring uninterrupted operation for up to 19 hours with a full tank (fuel consumption approximately 0.26 GPH).

Outlets

The control panel features 5 AC outlets as follows:

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

While not classified as 'RV Ready,' this Powermate generator can still provides the advantage of RV connection via its L5-30R receptacle, ensuring power supply to your RV with an L5-30P to TT-30R adaptor.

Portability

Measuring L26.3 x W22.9 x H21.5 in, the Powermate PM4500 showcases a classic open frame layout, guaranteeing stability and simple maintenance access to components, while facilitating air circulation. The device has been designed for tough environments and demanding outdoor use.

Despite its weight of 105 lbs, the generator is considered 'portable,' signifying its capability to be moved, albeit its heaviness may hinder easy transport. Despite the restricted maneuverability, its wheel kit (⌀8") and its folding handle provides a solution, allowing for convenient shifting once the generator is positioned on the ground.

Features

Panel of the Powermate PM4500

The PM4500's control panel

The control panel of the PM4500 includes a digital data center, which assists you in monitoring its status and activity, as it provides information on the lifetime run hours.

With its built-in fuel gauge, the generator provides quick and convenient gas level checks.

From a security standpoint, the generator is furnished with an overload protection (circuit breaker) and an automatic low oil shut-off, ensuring peace of mind during operation.

Alongside the typical set of documentation and the user manual to assist with setup, Powermate has included accessory] in the packaging of the PM4500.

Product Video

The Powermate PM4500 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Powermate PM4500 compare to generators of similar power (between 3500 and 4500 W).

  • As its weight is 105 pounds, the Powermate PM4500 falls in the expected weight range of the devices in the 3500-4500 rated wattage category. If weight is an important consideration for you, the Genmax GM4600iAEFIC stands out as one of the top contenders in this power category, with a dry weight of 58.4 pounds.
  • The PM4500 provides up to 19 hours of runtime at a 25% load on a full tank, placing it within the average autonomy range among similar generators. If extended autonomy is what matters most to you, the Firman W03661OF could be an excellent choice, offering one of the longest run times among units in its power category, reaching up to 25 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. In fact, this generator is not one of the most fuel-efficient options in the aforementioned wattage range: its estimated gasoline consumption at 25% load is around 0.26 GPH. If you're placing a high priority on fuel consumption, the Champion 200988, with a low fuel consumption rate of 0.16 GPH, could be an option to consider.

Price comparison

As you can see from these interactive charts, when compared to other 3500-4500W generators, the Powermate PM4500 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
  • GFCI Outlets
AVERAGE SPECS:
  • Decent weight (105 lbs)
  • Decent run time
WEAKNESSES:
  • No electric start
  • Low fuel efficiency

Do you own the Powermate PM4500 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
Parallel capableNo
RV readyNo
FuelGasoline
Engine224 cc Generac OHV 4-stroke
Starting systemRecoil
Warranty3 years
Power
VoltageAC: 120V 60 Hz
Running watts3,600 W
Starting watts4,500 W
Running amps30 amps
Peak amps37.5 amps
Run time @50% load14 h
Run time @25% load19 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
DC outletsNo
Data centerLifetime run hours
IndicatorsNo
Fuel tankSteel, 5 gal
Fuel gaugeYes
Misc
Weight105 lbs
Approx. dimensions (L x W x H)26.3 x 22.9 x 21.5 in
Noise (lower limit)Unknown
THDUnknown
ComplianceCARB, EPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil and wheel kit
Other model numbersP0081200
UPC696471080346

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 Powermate

Powermate’s history is somewhat enigmatic, but they claim to have been on the market for over 40 years, selling portable generators and various outdoor power equipment. In 2009, they have signed under what they call “partnership” (more accurately ownership) with the Italian PRAMAC. In 2014, Generac acquired Powermate from PRAMAC.

Warranty Information

The Powermate PM4500 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Powermate generators, please consult Powermate's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-445-1805.

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 homeAC (10,000 BTU)15002200
Refrigerator (energy star)1921192
Vacuum cleaner10751175
Radio100100
Total2867 W3867 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Electric grill16501650
Total2840 W3430 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W
What is the noise rating of the PM4500?

Due to the lack of standardization in noise emission measurement, Powermate (Generac) does not provide their units' noise levels.

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