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Cummins Onan P4500i - 3700 Watt Electric Start Portable Inverter Generator w/ Wireless Remote Start (49-State)
Model:
P4500I
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Features
Grade
Recreational
Style
Portable
Run Watts
3,700 Rated Watts
Surge Watts
4,500
Starting Watts
Fuel
Gasoline
Engine
Cummins Onan
- Onan P4500i Portable Inverter Generator
- Great for RV and trailers with dual AC units
- Electric Start (Battery Included) w/ Wireless Remote
- Allows for quick and easy starting with the push of a button
- Wireless remote allows starting/stopping from up to 109 yards
- Digital Inverter Technology - <3% Total Harmonic Distortion (THD)
- Provides safe and clean power for even the most sensitive electronics
- Onan 224cc 7.3 HP OHV 4-Cycle Engine
- Designed for easier starting and fuel-efficient operation
- Low Oil Shutdown
- Helps prevent engine damage before it happens
- LED Data Center
- Displays remaining run time, power output, voltage & fuel level
- Automatic Voltage Regulator (AVR) & Circuit Breaker Protection
- Protects appliances & equipment from harmful voltage swings
- Helps prevent overload to generator
- Efficiency Mode Switch
- Reduces fuel use by adjusting RPM based on generator load
- 3.4 - Gallon Fuel Tank
- Runs for up to 15 hours @ 50% Load and 18 hours @ 25% Load
- RV Ready - TT-30R Outlet
- Power your RV without the need of an extra adapter
- Double-Insulated Acoustic Enclosure
- Combined with a low tone muffler for quiet operation
- Telescoping Handle & 5.5" Wheels
- Makes this generator extremely easy to transport
- Added Extras:
- Oil, Funnel, Tool Kit, Manual, and Quick Start Guide
- Non-CARB Compliant - Not For Sale In California
- 3-Year Warranty
Specifications
Plug Types




P4500I

General Information
Product Category
Generator - Portable
Overview
Product Category
Generator - Portable
Assembly Required
No
Weight
104.7 Pounds
CARB Compliant
No
Certification
EPA
Made in USA
No
Consumer Warranty
3 Years
Product Style
Portable Generator
Product Length
24.5 Inches
Product Width
18.25 Inches
Product Height
20.5 Inches
UPC
690781007925
Product Specs
Voltage
120 Single-Phase
Frequency
60 Hertz
Alternator
Inverter
Auto Voltage Regulation
Yes
Rated Watts
3700 Watts
Surge Watts
4500 Watts
Fuel Type
Gasoline
Rated Amps
30.8 Amps
Portability Kit
Plastic Wheels
Tank Size
3.4 Gallons
Run Time @ 50% Load
15 Hours
Fuel Tank Material
Metal
Fuel Gauge
Yes
Voltage Meter
Yes
Battery
Included
Cooling System
Air Cooled
Grade Type
Recreational
Low THD
Yes
Engine
Engine Brand
Cummins Onan
Starting System
12-Volt Button Start w/ Recoil + Remote
CC
224 CC
Consumer Engine Warranty
3 Years
Low Oil Alert/Shutdown
Yes
Plugs
NEMA 5-20R - Wall-Type
1
RV Ready 30-Amp
1
USB
2
Reviews
(68)
Cummins Onan P4500I Reviews & Ratings
Customer Rating
4.13
(68 Ratings)
62% recommend this product
5
(43)

4
(5)

3
(8)

2
(10)

1
(2)

Good
By Macc
Illinois
Review Posted 12/19/2024
Good
Macc Does Not Recommend This
Was this review helpful?
Rating Breakdown
3/5
2/5
2/5
2/5
Pros:
Id Buy It Again
Cons:
None, Heavy

Onan P4500i
By Michael V
Florida
Review Posted 12/25/2022
I have been using constantly for last three months clocked over 800 hours runs great copes with quite a load too.Hoping it will continue to give me great service.
Michael V Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Price, I'd Buy It Again
Cons:
None
Cummins Onan 4500
By Travis B
Nebraska
Review Posted 09/15/2022
Bought this generator to run one air conditioner, fridge, hot water heater in my camper and needless to say it barely ran the air conditioner. If I was to do over I would buy two cheaper ones and parallel them together. Don't buy one buy two if you want these.
Travis B Does Not Recommend This
Was this review helpful?
Rating Breakdown
5/5
5/5
1/5
1/5
Pros:
Easy To Use, Quiet
Cons:
Expensive, Unreliable
Cummins Onan P4500I
By Matt G
Ohio
Review Posted 08/16/2022
The unit works exactly as described. We have put over 80 hours on it so far and no issues. We really enjoy the long run time that it has. The only complaint is the oil drain plug is in a poor location to the service panel.
Matt G Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Slow Service
By Sharon H
IL
Review Posted 08/11/2022
Bought one, run it for 3 hours and it stopped running properly. Took it in for repairs it has been 2 weeks and have not heard anything. I was told it could be 3 months. Our camping season is only about 6 months. For 30 years I've had a Onan Generator and never had this kind of problem, that's why I bought this one.
Sharon H Does Not Recommend This
Was this review helpful?
Rating Breakdown
5/5
2/5
5/5
5/5
Buy a Honda
By Garren
Texas
Review Posted 08/04/2022
Worked great for first few outings. Now doesn’t work and gives a F:00 error code. Support is beyond worthless. Didn’t the company invent the codes? Shouldn’t you know what they mean? Buy a Honda.
Garren Does Not Recommend This
Was this review helpful?
Expert Response
Cummins provides a 3-Year Warranty for this model. For troubleshooting and warranty support, please use the Cummins Service Locator to locate a dealer in your area.

Alberto C.
Generator Expert
Rating Breakdown
3/5
1/5
1/5
1/5
Worst Product And Service Ever!
By Kris
IL
Review Posted 06/17/2022
I bought this generator more than two months ago and I still can't use it, Power Equipment that sold the item doesn't take any responsibility after delivery so please take care and search for a better dealer or you WILL get stuck. The HONDA similar model is way better but of course, you have to pay a little more. BUT I'm sure it's worth the extra penny.
Kris Does Not Recommend This
Was this review helpful?
Expert Response
Very sorry you experienced issues with your generator. As an online retailer, all warranty service is provided by a local Cummins service center. I would suggest following up with the service center you're currently working with.

Alberto C.
Generator Expert
Rating Breakdown
1/5
1/5
1/5
1/5
Cummins Is Ok
By Sonny K
New York
Review Posted 06/10/2022
I had a problem first test actually using it in the real world and not testing it. It would keep overloading with nothing on. Had to keep going out and hitting the reset breaker. Now while I was testing it I was able to run 3900 watts no problem, I don't know what happened that first camping trip but seems ok now.
Sonny K Recommends This
Was this review helpful?
Rating Breakdown
4/5
3/5
3/5
3/5
Pros:
Easy To Use, Features, Quiet
Cons:
Unreliable
Awesome Unit !!!
By Jeffrey F.
Monticello, Indiana
Review Posted 03/28/2022
Never let’s me down.
Jeffrey F. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, Price, Exceeded Expectations, Id Buy It Again
Cons:
None

Powering Endless Possibilities !!!
By Billie S.
Mount Pleasant, Texas
Purchased 02/27/2022 |
Review Posted 03/21/2022
I haven't used it a lot yet. What I have used of it so far so good. Starts up every time no problems. It's easy to move around . Super quiet you can carry on a normal conversation standing right over it , "very nice piece of equipment".
Billie S. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, Exceeded Expectations, Light Weight, High Quality
Cons:
None
Product Q&A
(2)

Product Questions
Answered by Jared, the Generator Expert
What is the warranty on this generator?
Mark
from Arizona
April 27, 2022
What is the decibel rating on this model?
Jesse
from California
June 19, 2019
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Cummins Onan P4500i - 3700 Watt Electric Start Portable Inverter Generator w/ Wireless Remote Start (49-State)


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