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Old 02-08-2021, 12:21 PM   #1
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Why do I need an Onan over a Honda Generator

So I was thinking if and when my onboard 4000 watt Onan dies (if it does) to replace it costs roughly $3500. If I went with a Onan 5000 watt they are roughly $4500. So the point I want to make is if I remove the Onan and install a Honda 5000 watt is $2500 and the Honda 7000 watt is $5400 you basically can get more watts and all the other extras for less money overall..... you get the Eco throttle, blue tooth remote start and stop, co-minder and all accessible from an app on your phone, which includes reminders for scheduled maintenance. I'm thinking I'll switch to one of these as one of the best features is the eco throttle that only runs the motor fast enough for what appliance your using. And if I'm just getting a charge to the batteries it'll sit there and just idle. I'm sure my generator compartment can easily be retrofitted to accept the Honda easily. Right now I have my onboard Onan 4000, and, a backup Honda 2200 with bluetooth and cominder. I use the Honda when I just want to charge batteries as like I said it just idles and if wayyyyyy quieter then the Onan which runs at full throttle no matter if you want 200 watts or 3000 watts.

What say you folks?
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Old 02-08-2021, 12:23 PM   #2
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Is the Honda certified for use in an enclosed space in an RV?
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Old 02-08-2021, 12:42 PM   #3
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Keep the existing Onan and continue to use the EU2000 for battery recharging and light duty use. We do exactly the same thing and only exercise the onboard Onan 7.5 about 30 hours a year. I figure that Onan will probably outlive me. That little Honda has probably saved us $everal thousand$ in solar and battery upgrades that seem to be the latest "must have" craze.
We love the quiet of the Honda EU's (and the like) and so do our camp mates. We can comfortably boondock for a week on about two or three gallons of gas. How do you beat that?
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Old 02-08-2021, 12:44 PM   #4
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One is meant to operate in an enclosed space the other is not.

I know that is a way over simplified answer. Is is possible to convert, probably.

I have a Honda on my porch, so does my bother and we sold Honda for years. I will stick with my Onan on my RV.
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Old 02-08-2021, 01:16 PM   #5
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I don't think the Honda will like all the road dirty that will get thrown at it while on the move unless you can build a box around it but then you'll need to somehow pump a lot of exterior air into the box to cool the generator when in use. Plus you'll need to consider how to add a tail pipe to vent the exhaust away from the coach.

I'd like to do the same, tomorrow, but checking all the boxes to make it work makes it a difficult project.
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Old 02-08-2021, 01:32 PM   #6
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I'm hearing the logic. But be aware that unless the wiring panel in the RV is upgraded along with the generator, anything more than 4000W is a downgrade until you get to 7000W and even there is no net performance increase as only one 30Amp leg can be used.


3000W isn't enough to run the charger on a low battery and A/C at the same time.


The best option would be 2 paralled 2200W models at $2500 to have a 30A plug. My Onan gave a rotor error not too long ago. If it dies, I thought about replacement with the 2 honda's on a slide out tray behind a lockable door and in a security cage where the onan sits now. When needed, the tray can be pulled out for 'outside' operation. The downsides are no electric start, no overhead A/C while driving (I bet I get company in the passenger seat at that time), and have to carry separate gas cans.


Gee I wish someone would develop an RV inverter generator.
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Old 02-08-2021, 02:34 PM   #7
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Agree. Until Honda starts producing dedicated RV generators, we are stuck with Onan .



Quote:
Originally Posted by Nwcid View Post
One is meant to operate in an enclosed space the other is not.

I know that is a way over simplified answer. Is is possible to convert, probably.

I have a Honda on my porch, so does my bother and we sold Honda for years. I will stick with my Onan on my RV.
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Old 02-08-2021, 03:30 PM   #8
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That $2500 Honda will cost near $4500 by the time you get it converted for an onboard fuel tank and exhaust system, coach 12v electric start, adequate cooling air, etc. I think a handy guy could do it and come out ahead, though.
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Old 02-08-2021, 05:13 PM   #9
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The Honda generators are not designed for mounting in an enclosed area.

Ken
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Old 02-08-2021, 06:26 PM   #10
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Quote:
Originally Posted by Alpine36 View Post
Keep the existing Onan and continue to use the EU2000 for battery recharging and light duty use. We do exactly the same thing and only exercise the onboard Onan 7.5 about 30 hours a year. I figure that Onan will probably outlive me. That little Honda has probably saved us $everal thousand$ in solar and battery upgrades that seem to be the latest "must have" craze.
We love the quiet of the Honda EU's (and the like) and so do our camp mates. We can comfortably boondock for a week on about two or three gallons of gas. How do you beat that?
I have been thinking on doing the same thing. Not to date myself or maybe how long I have been dry camping. I have a Honda 800 watt generator. Last time out dry camping when starting the gen at night each night I thought it would be cheaper just to use that 800 w generator.

The way I figure it. Pluged into shore power and through the converter 800 w is capable of producing round 65 amps. That will work fine.

My Onan is a 6500 w. It
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Old 02-08-2021, 06:33 PM   #11
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Quote:
Originally Posted by Alpine36 View Post
Keep the existing Onan and continue to use the EU2000 for battery recharging and light duty use. We do exactly the same thing and only exercise the onboard Onan 7.5 about 30 hours a year. I figure that Onan will probably outlive me. That little Honda has probably saved us $everal thousand$ in solar and battery upgrades that seem to be the latest "must have" craze.
We love the quiet of the Honda EU's (and the like) and so do our camp mates. We can comfortably boondock for a week on about two or three gallons of gas. How do you beat that?
I have been thinking on doing the same thing. Not to date myself or maybe how long I have been dry camping. I have a Honda 800 watt generator. Last time out dry camping when starting the gen at night each night I thought it would be cheaper just to use that 800 w generator.

The way I figure it. Pluged the gen into shore power and through the converter 800 w is capable of producing round 65 amps. That will work fine.
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Old 02-08-2021, 07:12 PM   #12
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Honda Generator

You may get about 6 1/2 Amps.......800 watts divided by 120 volts....
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Old 02-08-2021, 07:17 PM   #13
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You may get about 6 1/2 Amps.......800 watts divided by 120 volts....
6.5 amps of 120 v is 78 amps of 12 v which is 8 amps higher than ArtJoice listed, "and through the converter"....... This also assumes there is a 65 amp or higher converter in the RV.
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Old 02-08-2021, 08:00 PM   #14
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What happened to the $50/year option to change oil twice / year and change oil filter once per year on the Onan 4000? That generator will outlast everything on the RV as well as the RV itself. $500 for next 10 years.
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