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Old 02-25-2021, 05:44 PM   #1
txheartshot
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Default Used Generac 20kw & 17kw value?

I have the opportunity to purchase 2 propane fuel Generac back-up generators, but Iím not sure what their value is. I did a quick search, but didnít find much comparable. To my knowledge, neither generator has ever been run. They were set, and the electrical was run on one of them, but neither ever had the gas lines connected. That means thereís no warranty, and they havenít been started monthly. What does the green screen think theyíre worth? Iím waiting on confirmation, but I believe theyíre 6-8 years old. TIA


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Old 02-25-2021, 05:58 PM   #2
mavrick
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3600 rpm will be around $5000 and the 1800 rpm will be around $10,000. I’ll take whichever one you pass on.
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Old 02-25-2021, 06:08 PM   #3
txheartshot
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3600 rpm will be around $5000 and the 1800 rpm will be around $10,000. Iíll take whichever one you pass on.

Iím waiting to get my hands on the ownerís manuals, but theyíre Generac Guardians. Not sure on RPMís. From what Iíve seen, theyíre $4k-$6k brand new with warranty.


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Old 02-26-2021, 01:57 PM   #4
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Anybody else have any ideas on where to look for comps?


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Old 02-26-2021, 02:01 PM   #5
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Northern Tool website
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Old 02-26-2021, 02:07 PM   #6
ken800
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If it were me, I'd look at new and offer 1/2 of new assuming you can hook up a portable tank and be sure it fires up. Check the oil level first before you fire it up. As long as the oil doesn't look like crap, a short run would be OK but first thing I'd do when I get it back is change the oil to new and go through the break in process as if it was brand new.

I'm sure someone will tell me I'm being a cheap SOB, but you'll have no warranty or support if it craps out. Beyond half price I wouldn't purchase it personally.

The 17KW looks to be discontinue as was about 3800-3900 with the transfer switch. The 20KW seems to have been about $4300-4800.

Last edited by ken800; 02-26-2021 at 02:13 PM.
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Old 02-26-2021, 02:24 PM   #7
txheartshot
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If it were me, I'd look at new and offer 1/2 of new assuming you can hook up a portable tank and be sure it fires up. Check the oil level first before you fire it up. As long as the oil doesn't look like crap, a short run would be OK but first thing I'd do when I get it back is change the oil to new and go through the break in process as if it was brand new.

I'm sure someone will tell me I'm being a cheap SOB, but you'll have no warranty or support if it craps out. Beyond half price I wouldn't purchase it personally.

The 17KW looks to be discontinue as was about 3800-3900 with the transfer switch. The 20KW seems to have been about $4300-4800.

I agree with you 100%. I donít want to offend the seller, but I was going to offer $1500-$2k, for the exact reasons you listed.


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Old 02-27-2021, 07:04 AM   #8
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Make sure the transfer switch comes with them. I would offer $1500 each. You still have to disconnect them, wire then up and hope they last for a few years.

I just bought a new 20 KW Onan/Cummins with transfer switch and I paid 5K out the door and $1200 for install

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Old 02-27-2021, 07:13 AM   #9
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Make sure the transfer switch comes with them. I would offer $1500 each. You still have to disconnect them, wire then up and hope they last for a few years.

I just bought a new 20 KW Onan/Cummins with transfer switch and I paid 5K out the door and $1200 for install

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Would you ping me a contact - Iíll jump all over it for that price.
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Old 02-28-2021, 01:35 PM   #10
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Would you ping me a contact - Iíll jump all over it for that price.
X2
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Old 02-28-2021, 01:52 PM   #11
Zmaxhunter
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Call your electric provider to find out what your daily and peak kw demands are.
If you buy an oversized generator, youre just paying for more generator than you need, as well as more fuel expense to run it..
A 10/12kw unit will operate and consume less fuel than a 20kw
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Old 02-28-2021, 01:56 PM   #12
BURTONboy
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Would you ping me a contact - Iíll jump all over it for that price.


X3. That seems cheap.


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Old 02-28-2021, 01:56 PM   #13
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Originally Posted by junkmanhunter View Post
Make sure the transfer switch comes with them. I would offer $1500 each. You still have to disconnect them, wire then up and hope they last for a few years.

I just bought a new 20 KW Onan/Cummins with transfer switch and I paid 5K out the door and $1200 for install

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****!!




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Old 02-28-2021, 02:00 PM   #14
Mike D
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Quote:
Originally Posted by Zmaxhunter View Post
Call your electric provider to find out what your daily and peak kw demands are.
If you buy an oversized generator, youre just paying for more generator than you need, as well as more fuel expense to run it..
A 10/12kw unit will operate and consume less fuel than a 20kw


It will but if you run it 100% capacity all the time it will not last as long either.


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Old 02-28-2021, 07:28 PM   #15
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The seller wants $3k each for them. I offered $2k and they declined. Not worth it if thereís no warranty.


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Old 03-01-2021, 08:45 AM   #16
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It will but if you run it 100% capacity all the time it will not last as long either.


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In reality, how much does your house run at once? 1 or 2 A/c's. a 5 ton takes approx. 9 kw to start it abut it runs on 3 kw, a few lights. You run a washer or dryer randomly, microwave randomly,
tv, internet, tankless water heater. My stove and oven are gas so I don't have that load. Think about what you actually are running at once. If you know your on backup you better be smart enough to conserve too.
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Old 03-01-2021, 08:49 AM   #17
junkmanhunter
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Default Generator

Quote:
Originally Posted by gspbrad View Post
Would you ping me a contact - Iíll jump all over it for that price.
Quote:
Originally Posted by BBRU View Post
X2
Quote:
Originally Posted by BURTONboy View Post
X3. That seems cheap.


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Quote:
Originally Posted by Quackerbox View Post
****!!






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Here is who I bought mine from. I just ordered another one for my shop last week

www.parkerpwr.com
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Old 03-01-2021, 08:35 PM   #18
ken800
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Originally Posted by txheartshot View Post
The seller wants $3k each for them. I offered $2k and they declined. Not worth it if thereís no warranty.


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Good call. It's sometimes hard to walk away but if something goes wrong (not saying it will), you'll be at or above the price of new once you repair it and STILL no warranty.
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Old 03-01-2021, 09:21 PM   #19
Take Dead Aim
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Quote:
Originally Posted by Zmaxhunter View Post
Call your electric provider to find out what your daily and peak kw demands are.
If you buy an oversized generator, youre just paying for more generator than you need, as well as more fuel expense to run it..
A 10/12kw unit will operate and consume less fuel than a 20kw
It's actually the total opposite of that on the fuel end. Sizing the right size generator can actually cost you a little up front but save you on the fuel side. Think of it this way. You can drive your truck at 90mph for 100 miles and get horrible gas mileage. You can drive that same truck at 50mph forn100 miles and get much better gas mileage. Look at generators the same way. If your generator is running maxed out your are burning fuel fast. The more it runs lower rpm's or at idle the less fuel you will use. Also wear and tear is less. You can make up that extra couple grand really fast when you are actually using the generator.

Last edited by Take Dead Aim; 03-01-2021 at 10:04 PM.
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