Please post your generator choice and experiences

   / Please post your generator choice and experiences #41  
A 14,000 watt portable generator is an awful big portable. I'm not an expert on generators but I'm thinking what kind of extension cords would have to be made up for this thing and how long these extension cords should be?
 
   / Please post your generator choice and experiences #42  
Figure out what you need to run to maintain basic comfort. For me it was fridge, well pump, igniter on fuel oil hot water tank, sump pump, some lights & outlets, and the microwave. Have an older portable gas genny and bought a newer one, electrician installed a transfer switch, good to go. I don't worry about heat in the winter, got a wood burner.
 
   / Please post your generator choice and experiences #43  
Op is trying to run a 3 ton AC. That's out of my experience range on portable generators.
 
   / Please post your generator choice and experiences #44  
I am still on generator power and this evening makes day 7 and it was 99 degrees here. I currently have 2 generators. My primary machine is an Aurora 6.5KW air cooled diesel. My back up is a Coleman Powermate that is 20 years old(it started 2nd pull when we started it for the neighbor when I loaned it out). I will eventually replace the back up with another diesel and I think it will be a PTO unit.

I never thought about it but I discovered in this wide spread outage that diesel is much easier to obtain. I usually keep 20 gallons of on hand in 5 gallon jugs. I also have a diesel truck with 2- 20 gallon tanks and I have 12 gallons in the L4400 and 3 gallons in the BX1500.
When this all started I soon realized how bad it was. Just about all the fuel stations were out of power for about 8 hours so the ones that were open soon ran dry of gasoline. But they all had diesel fuel. It was this way for 4 days.
I have my generators for convenience but in this instance I ended up operating a life sustaining oxygen generator for my father in law and once he came to my house I couldn't shut down for more than a few minutes or he was having trouble breathing.
My father in laws power came back on Wednesday evening and they delivered some oxygen cylinders as well so I felt much more at ease. I was so thankful to have bought the diesel. I was also glad I went Saturday morning and picked up a 12K BTU window unit AC to help keep the house cool. So we really had all we needed to make it through.
So far I have used right at 50 gallons of diesel and I am generating from 3KW to 6KW all the time. For the first 5 days the AC ran 24/7 set on 68 degrees to prevent start surges and to make the house tolerable. Now we shut down when the wife and I are working.

Lessons learned:
1)Know your load and what your unit will run(fortunately I had tested the diesel fairly well during the break in period)

2)Diesel is the way to go in my opinion I would not have been able to keep running if my generators were gas fueled.

3)If you wait till you need your generator to check it out and buy fuel for the event it will be to late.

4) Your system may be put to the test. It may be called upon to be more than a convenience.
 
   / Please post your generator choice and experiences #45  
The fuel cost is not cheap for gas with out 18 HP B&S old Coleman PowerMate 7500 but it will run the deep well pump or enough electric heaters or a window AC unit by managing the power load. Like in the 2009 ice storm to take hot showers (not needed that much) I had to cut heat usage to min with well off to heat hot water (80 gallons). Then keeping space heaters to min we would run the well pump and all four get a hot shower.

The thing will suck up a gallon of gas per hour so at $4 that is $100 per day for gas since we are all electric house.

$10,000 will get you a nice system and $2000 can get you an OK hack job. It boils down to money.

The ideal solution should work just fine if you in the hospital or dead. Yes dead. Hoaky hacks can work but do we really want to leave the wife and perhaps other family members without back up power?

For most of us this means contracting with a stable firm installing and servicing back up home generation systems. For some that may giving up one horse, a bass boat or at extra tractor or fun skid-steer loader, etc.

Quality mainly only cost once BUT it is always an upfront cost. :(

I am preaching to myself now but a back up system that requires us to be alive really is not a system with our family in mind. We may be alive but three days out of major surgery or forever limited from a stroke.

Hack jobs (portable equipment) and no code wiring are acceptable in a bind if we know and understand the risk AND do not make a major mistake when refueling at 3 am. In the 2009 we were only down three days (accidently bought the last house one a three phase grid) but had neighbors without power for about two weeks a quarter mile down the road but I can tell you feeding the generator every four hours 24 hours a day got old.

Be safe out there and consider a system that others can and will maintain for a fee if we are not able or around.

P.S. One option is to a small generator gas where you could power the frig/freezer from time to time and own a self contained RV with its on built in generator. Our old 20 year old motorhome if we park it full of gas and propane would give us a back up power living space if it did not become damaged. One plus of the old F700 flat bed dump is it has an open cap filler 50 gallon tank that I park full most of the time so a simple hose gives us access to another 45 gallons of gas right there.

My point is we can think outside of the box and let some of our toys do double duty. :)
 
   / Please post your generator choice and experiences #46  
I'm happy to see that I'm not the only belt and suspenders kind of guy here. My LPG powered 17 kw is on a pair of 1000 gal tanks. The 17.5 gas generator can be used as a backup if the LPG unit has a problem. The little LPG unit in my camper could be hooked to house by extension cord as a last line of defense. Prius could be jerry rigged for emergency power. Redundant safety systems is a good thing.

I have central ground sourced heatpump. it is one of the loads on the basement sub panel (50 amp) No problem running it on backup power. It is one of 3 heatpumps. I don't run all 3 from back up genny at same time. I have 5 ton unit for upstairs but usually don't run it on backup generator to conserve fuel and lighten the gen load.

Pat
 
   / Please post your generator choice and experiences #47  
Great insight last couple of posts. Many who comment on back-up power haven't ever thought past a 48 hr outage. I once lived abroad for a couple years where electricity was sporadic, there was no hot water heater, outages occured weekly, kerosene lanterns and flashlights were the norm. Cooking was done on a small range powered by a 20 lb propane tank or wood outside. Above brings out alot of what I preach about regarding the "long" power outage and fuel supply. Look around and see how many fuel tanks you have. Do you have a backup genny and fuel or it.
Be reasonable with what you want to power. A 500 gal propane tank spinning a 15kw genny powering a 3 ton central air isn't going to last 2 weeks or keep your pipes from freezing during a 4 week outage from an ice storm. Most of my local gas stations have been unable to pump during outages. Wood stoves = priceless during these times. $250 window AC unit in the largest room and have everyone bunk together so your not powering a 3 ton central unit= great idea. I may add it to my list, though I have an RV as backup for that scenario. I am no doomsday prepper, just a guy who can now afford to own a genny or two or three to keep my family and pets safe. I also don't want to loose a house to frozen pipes secondary to a big ice storm- seen it twice in the last 15 yrs , only 15 miles west and 25 miles north, where they were out for a month.
Tip- keep 2 one gallon square "spring water" jugs in your freezer. First empty a few ounces and freeze, square shape is efficient in a square freezer and acts like ice in an old ice box. When you rest the genny, transfer one to the refrig., then when you power up refreeze it, repeat. Start grilling your frozen food and replace with more ice jugs. Fuel conservation can extend your capabitilties by weeks. I don't care for auto-start 15-20kw residential units , unless it's NG and you have a backup genny and fuel supply. I think they are wasteful, unless you have a family member with serious health issues. I read some hour by hour stories of the healthcare workers in a hospital during Katrina, they are unrecognized heroes.
Most of us here on a tractor forum aren't living in condos , by choice. We can stash 100-300 gals of gas or diesel somewhere safe on the land- cycling it through our autos, home heaters or tractors.
 
   / Please post your generator choice and experiences #48  
What's a safe, reasonable way to bring home larger quantities of fuel and store it? I could put a 55 gallon drum in the bed of my truck, but there's a liner in there. I doubt the station would let me fill it.

Bringing home dozens of 5 gallon cans seems wasteful just to dump it all into a larger container at home. And, keeping all of those cans is costly too because of how much the cost.

I'm wondering how to best stockpile gas when I know a bad storm is coming and "I might need it" for the generator.
 
   / Please post your generator choice and experiences #49  
If you're not sure about the quality of power coming from your genny, I suggest a Kill-A-Watt device. I always put one on my genny before plugging stuff in, just to confirm that all is on the up and up. It could detect any changes in output frequency, although you would have to actually buy a PTO generator before you could test whether its RPMs were consistent.

It seems like the Kill-a-Watt would be useful anyway, because it seems like the output of the PTO-based generator would vary depending on your PTO RPM, and you would want to tune the throttle to produce the exact right output. Without something that measured the frequency of the AC signal, that'd be impossible.

You can measure and adjust all you want... You're still at risk for two reasons. Measurements would be done with a certain load on the generator (presumably no load when you start). As soon as the load changes, so does the delivered power quality. Any fluctuation in engine speed (our tractor engines don't have the same sort of governor system on them that a purpose-built generator motor does to maintain appropriate RPM for the given load) and you get a change in power quality.

For me, I'd rather FILTER the power than try and the generator to deliver it at high quality. I have APC UPS units on ALL of my electronics (every television, computer, etc). Anything that happens to not have a UPS doesn't get turned on when the generator is running (except for critical things like the refrigerator, the well pump, the water heater, and potentially the blower fan for the wood stove).

But here's the thing I wonder about PTO-based generators. I looked at some of them, just out of curiosity, and they seem comparable in price to self-contained gas generators--about $100 per kW or so. I'm kind of confused why I would pay the same price for a generator without a motor as I would for one with a motor. Okay, but fine, maybe the components are more sturdy or whatever. But question 2 is, I'm not sure it's worth the difference in price running my tractor vs. running a generator motor to me. What I mean is, every 100 hours, I have to change the oil on the generator. It's a quart or two at most. And clean the air filter. Okay. But my tractor's major services are something like $280 for fluids and filters. Holy cow! That's a mighty expensive generator motor there. I'd rather be working the tractor if I'm going to be putting hours on it.

I'm with you on this one. No way am I firing up my tractor so it can run at PTO speed RPMs for four days just to have electricity. Sure, my gas genny is a little louder, but not when it's running inside of its dog house.

The extreme portability of the PTO generator makes it a useful tool when you're on a large piece of land doing things like cutting boards for fencing on the other side of the pasture. But, it has no value to me as a homeowner.
 
   / Please post your generator choice and experiences #50  
I prefer the luxury option first (2 each 1000 gal propane tanks) but if supplies are low I have pickup camper with propane heat and propane generator which I can connect to house propane and economize for a long time. Alternative is a propane parlor stove in basement, another in sitting room, another in enclosed back porch all of which are is easy to heat. We also have a propane gas log fireplace. All are piezoelectric pilot ignition (don't need 120VAC)(direct vent) so in a long outage we are good for a very long time. Our camper has solar electric roof and makes up to 15-16 amps in full sun and plenty for LED lights even on dreary winter days if you brush off the snow. Camper has a total battery capacity of nearly 600 amp hours at 12 VDC so storage isn't a consideration. Small propane genset in camper will charge batts pretty efficiently so you can have lights and sat TV at night without running generator.

Pat
 
   / Please post your generator choice and experiences #51  
There are a lot of good replies in this thread, but also a lot of not necessarily true statements.

If the generator is for emergency use then the best is if it's never used. That's what most people do and never buy one.

And what is "emergency use"? If the power goes out for a week in midsummer at 100 deg ambient is it running my electricity bloated life at full tilt or making sure the freezer doesn't thaw out? Or somewhere in between? 30KW? 1KW? 15KW? Is the emergency a storm with trees down all over and disaster recovery? Or ist it mostly an ailing infrastructure? Do you need to be out on a tractor 24/7 or do you just need to pick up a few trees while the power companies recover from poor maintenance?
Am I supporting the neighborhood or myself?
So let's say 15KW capacity needed.

What are the fuel sources? Diesel? Nat gas? LPG? Gas? PTO?
Diesel you have store, but if you are on TBN you probably have diesel equipment. I can store diesel - 2 fords w/ about 40 gallons@, a VW w/ 12 gallons, and 1 or 2 tractors w/ about 10 gallons @, and a 300 gallon tote to store it in.
Nat Gas to me is iffy, I have no control over the pipeline, if I could make it myself I'd trust it. Only 2 of my houses are on a pipeline.
LPG - you need tanks but if you keep them full you should be good. I've got 2@ 250 gallons.
Gas - doesn't store LONG but is everywhere, but as some have noted it goes fast.
PTO - You need a prime engine, but most of us on TBN have tractors.

Does it need to be "portable"? Are you only concerned about 1 location or what about the relative whose power is out while yours is on? Do you need to run cocktail parties? A welder? A couple of lights at a campground? All my uses dictated portable instead of dedicated 1 site.

I'm always distrustful of single source solutions so I've gone threefold and have plans to "expand".
I've got a 7?KW ($700) portable gas generator with a Honda engine, which I've had for years and not needed to use. I plan on getting a LPG conversion kit ($300) to allow dual fuel. Presently it's set up to run a small a/c unit, a frig, and a few lights via extension cords. When moved to Mississippi it'll be wired into a transfer switch ($400) for similar uses.
I've got one of the HF cheap $80 1KW generators that will run a few lights, tailgate party.
I've got a 12KW ($600 used for a few hours) PTO generator which I can wire into a transfer switch (for the central a/c) or take out in the back 40 and weld with.

So I've got about 20KW of portable power for an investment of about $1400 so far and another $1K in transfer switches and fuel conversion in the future.

I can't forsee a situation where I'll want to run the whole 20KW for my own uses, I'll sacrifice my whole house a/c for a window unit when I need to run the tractor.
 
   / Please post your generator choice and experiences #52  
Although i'm not the OP, thanks for all of the comments as I've been trying to decide between stand-alone or PTO driven generator. Our electrical service is quite reliable making a large expense more difficult. However, SWMBO really likes the ability to flush. Short gasoline shelf life is biggest concern with inexpensive portable generator - I would rather keep large quantities of Diesel on hand.
 
   / Please post your generator choice and experiences #53  
A lot of great info here!

I currently have an 8kw Generac that did not fare well during the 4 days I had no power from the storm last week. My mother down the street has a similar Generac, only 15kw. We both had issues with oil consumption, and in her case, on day 2, there was not enough "surge" capacity to start the compressor on her 4 ton A/C unit. On day 4, she lost hot water as well.

Living by herself at 78 in a large house (my father passed away last year when he flipped his 1910 Ford), I need a fully automatic system for her that won't require me to go over there every 8 hours to add a quart, and the system needs to be able to run the AC and water heater reliably.

So for both of us, we are seriously looking at moving to liquid cooled diesel generators (see my JD 30kw thread).

I did own a 25kw (50kw surge) PTO generator for many years, but it was a huge pain to get it connected to the tractor during a snow storm, and then pop off the meter from the base (after cutting the seal), and connect it directly to the 400A service entrance. So I sold it and had just my 8kw unit after that, which as stated above, is not working out for me during summer outages when I need to run the AC (I have a 5ton and a 3ton).

I have a 15 month old daughter and another due in 5 week, so I'm exploring options right now. The 8kw air cooled Generac is still online, but I feel that I need something more substantial going forward for my family.
 
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   / Please post your generator choice and experiences #54  
Howdy,
I have commented before, but let me explain.
Large farm here. Multiple tractors. A lot of things to power. I do not have a pond or stream. 172 head of cattle which need water. 3 wells. A Tiger Power 30kw PTO generator works great here. Tractors are well maintained and usually full of fuel. 1000 gallon off road diesel tank here. 109 gallon transfer tank in the back of a truck. Freezers full of beef, and large house with lots of needs.

I also own 4 other small generators. Of course they are gas, and I cycle gas through them. If they haven't run in a while, I suck out the gas, and run it thru the truck. Buy some more 100% gas and add sta-bil, and fill them up.

Northern Virginia here. The first storm took out the power. I do not need power right away.. went driving around and saw the damage, I knew we were going to be without power for a while. Then the second storm came through. A tree across from my driveway was struck by lightning and took out all the lines. This happened to be a priority line since it cut off 500+ customers. The utility was on it quick.

PTO generator = they have gauges on them. You really do not look at your tractor rpm gauge. You set the throttle to where you have the generator reading 60Hz, and 240volts. My PTO generator is cleaner power then the utility. I also have meters from Hardy Diesel, which I plug into a socket inside the house to monitor and watch the 60Hz and volts.
inside the house meters plugged in
got them off ebay from Hardy Diesel
hardy diesel meter.jpg

I like using the larger tractor to power the pto generator. It has a 540E (economy) setting which the tractor spins the pto at the full 540 speed, while the engine runs around 1580rpm. I average around 1.1 gallons and hour.

In another posting I show 3 different electrical connections which I have. generator-transfer-switch-connection-choices
 
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   / Please post your generator choice and experiences #55  
Hi Mike,

On your TC-200M26W meter base transfer switch, is the feed going to the generator coming up though one of the conduits inside the meter base enclosure? It doesn't appear to be external like on the Generlink.

Here's what my meter base looks like:

generac2.jpg


I wonder if that Transconnect transfer switch will work with it?

Here's a shot from 2005 when I was running the house on the PTO generator. It would probably not have been as bad if I had the proper receptacle installed by the meter base. I'm pretty sure the way I had it hooked up (see picture above), was not up to code.

generac1.jpg
 
   / Please post your generator choice and experiences #56  
People die from this sort of thing.. Just think if some kid came along and touched your open meter.. let alone the poor lineman working to get power back...:confused:
 
   / Please post your generator choice and experiences #57  
With no meter on the base, there is no way for power to get back up the line. I hooked the output of the PTO generator to the load side, not the utility side.

My house has a 6 foot fence around it, including a motorized gate at the driveway entrance. Back then I lived by myself, so no kids in the household. Besides, it was about 15 degrees out, trust me, nobody was out enjoying a nice stroll that morning! I had a heck of a time just getting my tractor started.

That said, I agree that its bad practice and the only reason I resorted to this was that I had issues with my 8kw generator on an automatic transfer switch. I needed the power to keep my salt water fish and corals alive. Sometimes, during an emergency, you can be forced to do things that aren't always 100% safe.
 
   / Please post your generator choice and experiences #58  
We have just been thru a long [3 day] power outage. Outage of more than 10Hrs has proven rare over our 12yrs here on the farm ... this is only the 2nd one. We have PTO and portable gen options that remain stored for such cases.

... The real problem is the short term since we have horses. That well pump needs to be on line or we are out of water almost instantly. To cover that I recently bought a 3KW 24VDC to 240VAC pure sine inverter to run our pump from our electric golf cart. So now we can restart the well in minutes while assessing need and preparing for longer term emergency power. The cart will power the well for over an hour of accumulated run time. Plenty of water.
larry
 
   / Please post your generator choice and experiences #59  
Diesel is nice but 3600 RPM??? The 1800 RPM units are superior but pricey. Diesel is not my first choice for short runs. If I were building a remote power station (say 20 KW or more) to run 24-7 I'd definitely go diesel and preferably 1800 RPM. For short runs I like LPG. NG is OK but as others have said, you can't stockpile it easily (CNG equipment anyone?) I have 2 each 1000 gal LPG tanks to feed house and 17kw autochangeover gen. I have gasoline fueled 17.5 kw gen on my welding trailer that can be used to back up my 17 kw lpg unit. Gasoline doesn't store nearly as well as diesel, even with STABIL but... you rotate your stock so your gasoline supply doesn't get stale. You just constantly use fuel from your hoard and keep replacing it with fresh. A little hassle but that's the cost of preparedness.

With short runs diesel maint is accelerated. If I run a diesel I like to run it long and hard enough to dry it out. LPG is so very clean. Used oil looks new.

Pat
 
   / Please post your generator choice and experiences #60  
Hi Mike,

On your TC-200M26W meter base transfer switch, is the feed going to the generator coming up though one of the conduits inside the meter base enclosure? It doesn't appear to be external like on the Generlink.

Here's what my meter base looks like:

I wonder if that Transconnect transfer switch will work with it?

Here's a shot from 2005 when I was running the house on the PTO generator. It would probably not have been as bad if I had the proper receptacle installed by the meter base. I'm pretty sure the way I had it hooked up (see picture above), was not up to code.
Howdy,
The connection is actually run back into the meter box and is tapped into the box on the back of the mounting.
click the picture for a zoomed larger picture.
central distribution 1.jpgcentral distribution 2.jpg
It is a 2 piece design. If you look at this pdf from thier website, you see the 2 piece design. TC-200M26W pdf You would just have the 2nd box mounted next to your meter with its pigtail either back to the collar, or wired back into the unit with short piece of conduit feeding to the 2nd box which houses its brains. (electronics)

and, the TC-200M26W unit favors utility power. That means when the utility power is restored, it waits a short while to make sure its a steady 60Hz and 120 volts on each leg, then transfer back to it. That is when the power blinks off for about 30 seconds, and then comes back on from the utility. :)
 
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