Finding Power in the Shadows Coleman PM557501 and its Successor

Every home and business should consider investing in a good quality generator that is dependable. There are many reasons to do so, but among the most important is the unexpected power outage. Under certain situations, these outages can occur for a days at a time, leaving one helpless.

Coleman 7500This can even cause a dangerous situation for those who live in areas that experience extreme temperatures. The Coleman 7500 Watt Generator PM557501 is a great choice for anyone considering a purchase like this.

The Coleman 7500 Watt Generator PM557501 features a cast iron sleeve to give it a long life, and it will run for hours on a seven and a half gallon tank of gas.

Many users appreciate that it is an electric start model, making it quick and easy to operate, unlike many other models. At a time when you need power, no one wants to hassle with getting the generator started.

While the trusty Coleman PM557501, a 7500-watt champion of backup power, might be discontinued, its legacy lives on in the hearts of many preppers and power enthusiasts. Today, we’ll delve into its specifications, explore its strengths and weaknesses, and offer a powerful alternative: the Generac 7715 GP8000E. So, crank up your curiosity, and let’s dive in!

The Mighty Coleman PM557501: A Look Back

The PM557501 was a force to be reckoned with, boasting a 15,000-watt starting capacity and a steady 5,500-watt running output. This gasoline-powered beast was equipped with a user-friendly electric start, a cast iron cylinder sleeve for extended durability, and a full pressure lubrication system to keep things running smoothly. Its four 120V outlets and one 120/240V twist-lock receptacle provided ample power for various needs, from essential appliances to power tools.

Where the PM557501 Shines

  • Reliable Powerhouse: 5,500 watts of continuous power ensured you could keep essentials like refrigerators, lights, and medical equipment running during outages.
  • Starting Kick: With 15,000 starting watts, even heavy-duty appliances like air conditioners or sump pumps got going without a hitch.
  • Built to Last: The cast iron sleeve and full pressure lubrication system contributed to the generator’s longevity and resilience.
  • Convenient Features: Electric start offered effortless operation, while multiple outlets accommodated diverse needs.

Shadows on the Horizon: The PM557501’s Shortcomings

  • Discontinued: Unfortunately, the PM557501 is no longer in production, making finding new units challenging.
  • Weighty Companion: Weighing in at around 220 lbs, portability wasn’t its forte.
  • Fuel Guzzler: The generator’s fuel consumption could be significant, especially under heavy load.

Enter the Generac 7715 GP8000E: A Worthy Successor?


The Generac 7715 GP8000E emerges as a compelling successor, inheriting the PM557501’s power with some additional features and improvements. Here’s a quick comparison:


Feature Coleman PM557501 Generac 7715 GP8000E
Starting Watts 15,000 12,000
Running Watts 5,500 8,000
Fuel Type Gasoline Gasoline
Start Type Electric Electric
Weight 220 lbs 231 lbs
Outlets 4 x 120V, 1 x 120/240V Twist-Lock 4 x 120V, 1 x 120/240V Twist-Lock
Noise Level 79 dB 76 dB
Run Time at 50% Load 8 hours 10.5 hours

The Generac 7715 GP8000E‘s Edge:

  • Increased Running Power: Delivers 8,000 watts of continuous power, exceeding the PM557501’s output and handling more demanding appliances.
  • Longer Run Time: Provides up to 10.5 hours of operation at 50% load, outlasting the PM557501.
  • Quieter Operation: Slightly lower noise level makes it more neighbor-friendly.

Choosing Your Champion:

The ideal generator depends on your specific needs and priorities. If you prioritize raw starting power and a robust build, the PM557501 (if you can find one) might be worth the hunt. However, for most users, the Generac 7715 GP8000E offers a compelling blend of power, fuel flexibility, quieter operation, and longer run time, making it a worthy successor.

Remember, this is just a starting point. Before making a decision, thoroughly research and compare different generators to find the perfect fit for your power needs and budget.

Free Reports