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Cummins Onan P4500i vs Predator 3500 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Predator 3500 and the Cummins Onan P4500i.

But before checking out explanations regarding their power, portability, and features, here's a table that summarizes the main pros of each of these 2 generators:

Predator 3500Cummins Onan P4500i
Predator 3500Cummins Onan P4500i
  • Less bulky
  • Higher running & starting watts
  • Higher runtime
  • Lower fuel consumption
  • Quieter
  • Lighter
  • Remote start
  • USB connectivity
  • Fuel gauge
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As the Cummins Onan P4500i and the Predator 3500 do not share the same manufacturer, their overall build and technology in use can vary.

Power Comparison

The following charts are provided to show you at a glance how the main specs of the Predator 3500 compare to the Cummins Onan P4500i.

  • Power: With a running wattage of 3700 W, the Cummins Onan P4500i will allow to power more appliances and tools than the 3000 running watts of the Predator 3500. Moreover, compared to the 3500 starting watts of the Predator 3500, the Cummins Onan P4500i and its starting wattage of 4500 W will give more power to start the appliances which require an additional boost to get their motor running.
  • Runtime: When loaded to 25% of their max capacity, the Cummins Onan P4500i offers a higher runtime on a full tank than the Predator 3500: it can operate for up to 18 hours, whereas the Predator 3500 offers a maximum runtime of 11 hours.
  • Fuel Efficiency: With a gasoline consumption at 25% load of 0.19 GPH (gallon per hour), the Cummins Onan P4500i is more fuel efficient than the Predator 3500 and its 0.24 GPH. The former's operation will therefore cost less in terms of the money spent on gasoline. Inverter generators like these 2 are of the most fuel efficient (and quiet) type.
  • THD: Both generators offer a low THD (<5% for the Predator 3500 and <3% for the Cummins Onan P4500i) and are therefore perfectly suitable to safely power your sensitive electronic devices.
  • Noise: With a noise of 52 dBA, the Cummins Onan P4500i allows for a quieter operation than the 57 dBA of the Predator 3500. The former will therefore be the most suitable for you if you take noise emission seriously.

Portability Comparison

  • Bulkiness: When compared, the Predator 3500 and its dimensions of L22.8" x W17.3" x H20" offer a slightly more compact experience than the L24.5" x W18.3" x H20.5" of the Cummins Onan P4500i.
  • Weight: With a weight of 98 lbs, the Onan P4500i is slightly less heavy than the 3500 (which weighs 99.2 lbs).
  • Portability: Both products benefit from a set of wheels, which greatly enhances their maneuverability. The Predator 3500 has a double handle and the Cummins Onan P4500i a telecospic handle, to help you better manipulate them.

Feature Comparison

  • Starting System: Both devices can be started either via a pull-start mechanism or an electric starter. The Cummins Onan P4500i offers another layer of convenience, as it can be remotely started.
  • Outlets: The Predator 3500 and the Cummins Onan P4500i both offer 3 AC outlets. None of them feature GFCI outlets. Both of them also feature a DC output. However, the Cummins Onan P4500i does not provide an out-of-the-box USB connectivity. In addition, it is worth noting that they both only produce 120V. For more detailed information regarding all their respective receptacles, refer to the Predator 3500's and the Cummins Onan P4500i's product pages.
  • Data Center & Fuel Gauge: Each of these 2 portable generators is equipped with a data center allowing you to conveniently monitor some aspects of the power output. Besides that, thanks to the digital fuel fauge provided by its data center, the Cummins Onan P4500i provides instant visibility of the fuel level.

TL;DR

Predator 3500Cummins Onan P4500i
Predator 3500Cummins Onan P4500i
  • Less bulky
  • Higher running & starting watts
  • Higher runtime
  • Lower fuel consumption
  • Quieter
  • Lighter
  • Remote start
  • USB connectivity
  • Fuel gauge
Show all offers
Show all offers
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