This looks exactly like the westinghouse 4500 made in china. is this different and is it made in the us?

Same Generator, just repackaged under the Cummins name. Save the money and get the Westinghouse. I purchased the blue one recently and was impressed for the money. I also have the Honda 3000. This is much lighter and provides more power. The build quality is not as nice as the Honda and probably won’t last as long under commercial use, but for use here and there it is hard to justify spending 3 times as much for less power and only slightly louder. The same week mine came in I purchased one for my father.

So is the 3-year warranty automatic and then you add another 3-year warranty for 120 bucks

The manufacturer provides a 3 year warranty. Any other warranty purchase is from a third party source, such as Amazon.

Product specs say 50 Hz -- that's going to be a problem for many devices in North America, right?

It isn’t a common American cycle, things may run on 220-240volt but not on 110v. Unless specified by the manufacturer to operate on both 50Hz and 60Hz, appliances may not operate efficiently or even safely if used on anything other than the intended frequency.

how quiet is it while running?

just as good as my honda 3000iu gen. My second one of theses with 250 hrs on it without a problem, Good product for the money.

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Cummins Onan P4500I Portable Inverter Generator, Power Inverter Dual 5V USB Ports for Mobile Charging, Gas Powered for Backup Home Use, RV & Camping - 7.3 HP 224cc OHV 4-Stroke Engine W/Remote Start

Cummins Onan P4500I Portable Inverter Generator, Power Inverter Dual 5V USB Ports for Mobile Charging, Gas Powered for Backup Home Use, RV & Camping - 7.3 HP 224cc OHV 4-Stroke Engine W/Remote Start

Product ID: 461769628

Details

Brand
Cummins
Fuel Type
Gasoline
Included Components
Generator
Item Weight
98 Pounds
Output Wattage
3700
Power Source
Gas Powered

⚡4500W peak power

🔋Dual 5V USB ports

🛠️7.3 HP 224cc 4-stroke engine

$4025.58

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Description

🔌 Power your freedom, anywhere, anytime.

PARALLEL POWER BOOST - Link two P4500I units for up to 50A output—because sometimes, one just isn’t enough.
EFFORTLESS START ANYTIME - Remote start and push-button ignition mean no more fumbling—power up instantly, even from a distance.
POWER THAT KEEPS YOU GOING - Robust 4500W starting wattage with 3700W running power to fuel your home, RV, or job site without a hitch.
CHARGE EVERYTHING EVERYWHERE - Dual 5V USB ports ensure your mobile devices stay powered up, no matter where your adventure takes you.
QUIET COMPACT READY TO ROLL - Super quiet operation in a portable, fuel-efficient design that fits perfectly into your active lifestyle.

The Cummins Onan P4500I is a portable, gas-powered inverter generator featuring a 7.3 HP 224cc 4-stroke engine delivering up to 4500 starting watts and 3700 running watts. Designed for RV, camping, and home backup use, it includes dual 5V USB ports, a 30A outlet, remote start, and parallel capability for expanded power. Compact, fuel-efficient, and super quiet, it offers up to 18 hours runtime on a 3.4-gallon tank, backed by a 3-year warranty.

Specifications

ASIN	B081ZG9VLJ
Additional Features	Fuel Efficient, Overload Protection, Portable, Remote Start, Super Quiet
Best Sellers Rank	#89,830 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #282 in Outdoor Generators
Brand Name	Cummins
Color	Grey
Current Rating	30.8 Amps
Customer Reviews	4.5 4.5 out of 5 stars (157)
Engine Displacement	224 Cubic Centimeters
Engine Power Maximum	7.3 Horsepower
Engine Type	4 Stroke
Frequency	50 Hz
Fuel Type	Gasoline
Global Trade Identification Number	00690781007925
Ignition System Type	Electronic
Included Components	Generator
Is Electric	Yes
Item Dimensions L x W x H	24.5"L x 18.25"W x 20.5"H
Item Type Name	Generator
Item Weight	98 Pounds
Manufacturer	Cummins
Manufacturer Part Number	A058U955-P4500I
Material Type	Metal
Model Name	Onan P4500I
Model Number	A058U955
Output Wattage	3700
Power Source	Gas Powered
Recommended Uses For Product	Camping
Running Wattage	3700 Watts
Runtime	18 hours
Smart Home Compatibility	Not Smart Home Compatible
Starting Wattage	4500 Watts
Tank Volume	3.4 Gallons
Total Power Outlets	3
UPC	690781007925
Unit Count	1.0 Count
Voltage	120 Volts
Warranty Description	3 Year
Wattage	3700 watts

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$4025.58

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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