Cummins Onan P4500i Inverter Portable Generator – A058U955

Designed to go wherever you do, the 4500i portable generator brings together efficiency, durability and performance, backed by the Cummins 24/7 support network to ensure that you’ll always have power for when you need it most.

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Cummins Onan P4500i Inverter Portable Generator – A058U955


Cummins Onan Portable Generators

The Cummins Onan portable generators are designed to go where you do. Quiet, lightweight, and equipped with long run times, these portable generators offer you the chance to power your adventures. Whether you are going camping, planning a tailgate party, or powering a jobsite, Cummins Onan has a solution for you. Cummins generators are backed by an industry leading warranty and nearly 100 years of Cummins expertise powering lives from backing up hospitals and data centers to powering trucks, boats and RVs.  Cummins – powering your life.

Available ex factory. (Call to confirm)

can be export

Product can be export to the Caribbean, Latin America and other parts of the world with an additional payment.

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Additional Info

Cummins Onan P4500i Inverter PORTABLE Generator - A058U955

Details and Specifications


  • Quiet, neighbor-friendly insulation
  • Lightweight for easy carrying or rolling
  • Fast, convenient starting
  • At-a-glance data display
  • Inverter or dual-fuel capabilities
  • RV and camper ready with 30A TT-30R outlet
  • Two 5V USB ports for charging sensitive electronics such as phones or tablets
  • Telescoping handle and wheels for easy transportation
  • Dependable 7.3 HP 224cc OHV 4-Stroke engine
  • Parallel capable with another P4500 inverter generator to reach 50A of power


  • Rating 4500 watts
  • Rated 37.5 amps
  • Operates on natural gas
  • Length 24.5 inches, width 18.25 inches, height 20.5 inches
  • Weight of generator is 98 pounds
  • Sound level is 52 dB(A)
  • Voltage of 120
  • Manufacturer’s 3 year warranty

Product Specifications:


  • Engine Horse Power (HP) 7.3 HP
  • Engine Displacement 224cc
  • Engine Brand Ducar
  • Engine Type OHV 4 Stroke
  • Engine Speed Variable
  • Engine RPM Max 3600

Fuel System:

  • Fuel Type: Unleaded Gasoline, 10% Ethanol or less
  • Fuel Shut Off: Manual
  • Fuel Tank Material: Steel
  • Fuel Tank Capacity: (Gallons/Liters) 3.4 gal. (12.8 L)
  • Gasoline Fuel Gauge: Yes
  • Run Time at %25 Load (hrs.): 18 hrs.
  • Run Time at %50 Load (hrs.): 15 hrs.


  • Alternator Type: AC Inverter
  • Frequency: 60 Hz
  • Auto Voltage Regulation: Yes


Base warranty –3-Year Warranty

Extended warranties available

Generator Set performance

  • Gasoline Peak Watts: 4500
  • Gasoline Running Watts: 3700
  • Peak Amps at 120V: 37.5 amps
  • Running Amps at 120V: 30.8 amps
  • AC Voltage: 120 Volts
  • DC Voltage: 5 Volts
  • Parallel Capable: Yes
  • Total Harmonic Distortion (THD): <3%


PRODUCT Related documents:

Portable Generator Accessories

Spec Sheet

Quick Start

Additional Info
Weight104 lbs
Dimensions30.3 × 19.5 × 21 in


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