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Cummins Onan P2500i Inverter Generator 2500 Watt | P2500i Reviews

2.4 Rating 7 Reviews
Company Reviews Product Reviews
1,146
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Cummins Onan P2500i Inverter Generator2200 Watts     2500 Starting Watts    EPA/CARB Emissions     58 Pounds50 State Sales: For Sale in CaliforniaThe Cummins Onan P2500i runs on gasoline for up to 10 hours at 25% rated load while making just 52 dBA noise. Perfect for camping or RVing. Meets Forest Service rules for noise. At only 58 pounds, it is easy to carry and place wherever you need it. An LED display shows remaining fuel and power output percentage. Read remaining fuel, power output in kilowatts (kW), fuel level, voltage, and lifetime run hours from the automatic rotating display.P2500i Features:Two 120-Volt OutletsOne 12-Volt DC OutletTwo 5-Volt DC USB Charging PortsRubber Outlet CoversQuiet—as low as 52 dBA operating levelFuel efficient—up to 10-hours of run time.48 Pounds—Easy to Carry HandleCummins 3-Year Limited WarrantyImportant: Operation Above 2000 Feet in Altitude Requires the P2500i 98cc High Altitude Kit (Sold Separately.)Cummins 2500 Watt Generator2200 Watts with a 2500 Watt Peak make the P2500i the perfect generator for camping trips, tailgating, picnics or powering smaller RVs. Need more Power? The Cummins 2500 generator runs parallel with another inverter generator. Connect the optional parallel kit (sold separately) and start the first generator. When you need additional power, start the second generator. The full power of the two generators is available through the outlets or the parallel kit receptacles.Backed by a Cummins 3-year limited warranty*Optional Parallel Kit and Second Generator Sold Separately 

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Laurence S.
Verified Reviewer
“I purchased 2 Cummins 2500i generator 6 months ago. Ive put 20 hours on them thus far. I bought it from a site that sent it to Colorado. Buried deep in specifications it notes: High altitude kit needed above 2000'. I don't consider 2000' HIGH ALTITUDE! Well when Cummins ships products to Colorado, one would think the FULFILLMENT DEPARTMENT would notice the COLORADO ADDRESS and inform the buyer "YOU NEED A HIGH ALTITUDE KIT!" HELLO Cummins is it to much to ask to just add the jet to the 2500i package so people above 2000' would still be okay to use the generator? Not only this but the website has a chart that A-D OR 3000'-7000' NEEDS SPECIFIC JETS. Well first off what if your using it at 8000' DOES JET "D" WORK AT 8000'? Okay so say you live in Denver THE "MILE HIGH CITY" and you purchase these units... right off the bat the generator will not function properly. As far as I am reconsidered I will go out of my way to inform potential costumers to "JUST BUY THE HONDA" you will be way happier. Okay next task, ORDER A HONDA EU2200i”
Helpful Report
Posted 2 years ago
Laurence S.
Verified Reviewer
“I purchased 2 Cummins 2500i generator 6 months ago. Ive put 20 hours on them thus far. I bought it from a site that sent it to Colorado. Buried deep in specifications it notes: High altitude kit needed above 2000'. I don't consider 2000' HIGH ALTITUDE! Well when Cummins ships products to Colorado, one would think the FULFILLMENT DEPARTMENT would notice the COLORADO ADDRESS and inform the buyer "YOU NEED A HIGH ALTITUDE KIT!" HELLO Cummins is it to much to ask to just add the jet to the 2500i package so people above 2000' would still be okay to use the generator? Not only this but the website has a chart that A-D OR 3000'-7000' NEEDS SPECIFIC JETS. Well first off what if your using it at 8000' DOES JET "D" WORK AT 8000'? Okay so say you live in Denver THE "MILE HIGH CITY" and you purchase these units... right off the bat the generator will not function properly. As far as I am reconsidered I will go out of my way to inform potential costumers to "JUST BUY THE HONDA" you will be way happier. Okay next task, ORDER A HONDA EU2200i”
Helpful Report
Posted 2 years ago
J
Verified Reviewer
“This is the worst generator I have ever owned. Long time generator user and have owned Honda, Yamaha and harbor freight generators. I bought this as a high capacity generator for tire warmers (racing application). Upon first use, carb stuck open and spilled gas everywhere. Took 3 months to resolve with new replacement generator sent. Replacement generator has constant but intermittent vapor lock. Essentially unusable. Now sits in my garage as useless as a broken brick. Norwalk was nice but at its heart this product has been useless”
Helpful Report
Posted 2 years ago
J
Verified Reviewer
“This is the worst generator I have ever owned. Long time generator user and have owned Honda, Yamaha and harbor freight generators. I bought this as a high capacity generator for tire warmers (racing application). Upon first use, carb stuck open and spilled gas everywhere. Took 3 months to resolve with new replacement generator sent. Replacement generator has constant but intermittent vapor lock. Essentially unusable. Now sits in my garage as useless as a broken brick. Norwalk was nice but at its heart this product has been useless”
Helpful Report
Posted 2 years ago
Frank M.
Verified Reviewer
“Prompt delivery, Unboxed and filled with oil and gas. Started on first pull.”
Helpful Report
Posted 3 years ago
Tom A.
Verified Reviewer
“I purchased the Onan Cummins P2500i as a replacement for our Yamaha EF2000is. First thing is the Yamaha extended run kit (oil fill tube, mag pickup and fuel cap) and parallel cables fit. For extended run capabilities, you need to return the fuel evaporator tube back (connected to the carbon canister to meet CARB standards) to your extended run tank's vent. Easy to start is a plus, a larger engine for the same weight means more peak power. Now for the downside. The spark plugs are easy to change for a good reason - they need to be changed regularly. The oil change interval is considerably shorter than the Yamaha or Honda service period. The pull cord fractured (at the handle) in the first weeks of operation even though it was never stressed. You have to disassemble the case and remove just about everything to get to the pull cord case. The pull handle is molded and can not be re-threaded - I put an old Honda pull handle on it and vola. There is no ability to fully shut off the fuel system and can it not be put on a plane or boat where it might tip and leak fuel (see the return fuel line description). The Ducar engine is very similar to the Honda and has the same problem with the crankcase ventilation tube freezing up in cold weather. Honda has a kit to fix this but the generator design is to new and not as well supported as the Honda. Someone should make a heater tube assembly to prevent this. Onan has been a very good generator manufacturer but has virtually no on-line support other than an exploded diagram. Also, there are no parts available yet and has very limited service organizations.”
Helpful Report
Posted 5 years ago
Tom A.
Verified Reviewer
“I purchased the Onan Cummins P2500i as a replacement for our Yamaha EF2000is. First thing is the Yamaha extended run kit (oil fill tube, mag pickup and fuel cap) and parallel cables fit. For extended run capabilities, you need to return the fuel evaporator tube back (connected to the carbon canister to meet CARB standards) to your extended run tank's vent. Easy to start is a plus, a larger engine for the same weight means more peak power. Now for the downside. The spark plugs are easy to change for a good reason - they need to be changed regularly. The oil change interval is considerably shorter than the Yamaha or Honda service period. The pull cord fractured (at the handle) in the first weeks of operation even though it was never stressed. You have to disassemble the case and remove just about everything to get to the pull cord case. The pull handle is molded and can not be re-threaded - I put an old Honda pull handle on it and vola. There is no ability to fully shut off the fuel system and can it not be put on a plane or boat where it might tip and leak fuel (see the return fuel line description). The Ducar engine is very similar to the Honda and has the same problem with the crankcase ventilation tube freezing up in cold weather. Honda has a kit to fix this but the generator design is to new and not as well supported as the Honda. Someone should make a heater tube assembly to prevent this. Onan has been a very good generator manufacturer but has virtually no on-line support other than an exploded diagram. Also, there are no parts available yet and has very limited service organizations.”
Helpful Report
Posted 5 years ago
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