cab heater

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tbear
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cab heater

Postby tbear » Thu Nov 05, 2015 10:28 am

Hello,
I'm new here and have a problem. I built a weather proof cab for my 1973-154 lo boy which I will use to plow snow with a blade. Now I need cab heat. My question is has anyone put a hot water heater on one. I know there is no water pump so I bought a VW auxiliary 12 v pump to pump water through the heater, but unsure if the engine coolant will heat up enough to do any good. Now I want to know if they make a fan driven water pump for the engine that I could install along with a thermostat. Otherwise, my other option would be to add an alternator and a separate 12v system with battery and a 12v ceramic heater, which could get expensive.
Thanks

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Re: cab heater

Postby Eugene » Thu Nov 05, 2015 8:01 pm

If you block off/cover part of the radiator in winter the engine will heat up to provide some heat to your cab heater.

Not sure how you are going to install an alternator on the 154. The 154 uses the combination starter/generator to start the engine and to charge up the battery.

Don't know of any water pump available for Farmall Cubs including the numbered series Cubs.

Edit. Tractor heat houser. Basically a canvas covering the engine sheet metal permitting the fan to blow engine heat into you cab.
I have an excuse. CRS.

tbear
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Re: cab heater

Postby tbear » Thu Nov 05, 2015 10:44 pm

Thanks. The alternator circuit would be isolated on its own with it's own battery. I don't like the idea of covering the radiator, could overheat. I'm thinking a 180 thermostat with an electric radiator fan with a sensor switch to turn it on and off. I have an auxiliary heater pump for a Volkswagen for the heater fluid and a heater core with fan.
I can't even get warm air from the radiator in the summer.
The other thing I'm considering is building an exhaust heater, either hot air to the cab (ya, I know, Co2) or use it to heat water for the heater.

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Re: cab heater

Postby gitractorman » Fri Nov 06, 2015 11:38 pm

The regular Cubs and other Farmall tractors had Heat Houser enclosures for the engine. They were vinyl "curtains" for lack of a better term, that enclosed the sides of the engine and directed the heat from the engine back to the cab using the fan on the engine. This also included a V flap for the front of the grill so you could restrict the air thru the radiator so the engine would warm up. It would take some figuring to know when it's closed too much, but it's likely that you could completely cover the grill and not overheat the engine. I've seen 154s with the grill completely caked with grass clippings in the middle of the summer and still not overheating!.

Another option would be to wrap the muffler with 1/4 or 3/8" soft copper tubing and run it back to a small copper coil like a heater core, located in the cab. If you go this route, I'd use mineral oil or vegetable oil as the "coolant" in the heater system. Oil will not expand nearly as much as water and you won't have to worry about it freezing when it's not running. You could probably rig up a small circulating pump and a fan to help utilize the heat.

I wouldn't bother trying to tap in to the water coolant system in the engine. It is way overkill for a cooling system for the size of the engine and you'll never work the tractor hard enough in the winter to get any heat out of the coolant. Also, without a water pump or a thermostat housing, it would be a lot of work to try to make something and in the end you'll never get enough heat out of the engine to warm your feet!
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Re: cab heater

Postby Eugene » Sat Nov 07, 2015 12:13 am

Back before tractors had cabs with air conditioning, heaters, AM/FM radios, satellite and computer connections, we used heat housers on tractors in winter. 1/2 to 2/3rds of the radiator covered. Did the heat housers work, sort of, as long as you were driving into the wind.

Actually, use to block off part of the radiator on cars in winter to provide warm water to the heater/defroster. So much for the good old days.

If you can figure out how to mount a 60 amp, 12 volt alternator on a 154, you can use the same battery as the starter/generator. The combination of the alternator and the starter generator would give you about somewhere around 864 watts to power ceramic heaters with out discharging the battery.

Probably easier and cheaper to use insulated boots and or overshoes, layers of insulated clothing and gloves.
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Re: cab heater

Postby danovercash » Sat Nov 07, 2015 1:15 am

Used to drive an IH bus with 345 gas engine. Covered grill with a piece of plexiglas in winter and drove at hiway speeds. Once threw a fan blade. Removed fan and continued rest of trip without it. Two heater cores inside the bus took care of any extra heat.
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Re: cab heater

Postby Denny Clayton » Sat Nov 07, 2015 10:40 am

gitractorman wrote:The regular Cubs and other Farmall tractors had Heat Houser enclosures for the engine. They were vinyl "curtains" for lack of a better term, that enclosed the sides of the engine and directed the heat from the engine back to the cab using the fan on the engine.

And before vinyl they were made from canvas. On a Cub, due to the engine never gaining much heat, they were a good wind break in a head wind.

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Re: cab heater

Postby outdoors4evr » Wed Nov 11, 2015 12:17 pm

Might be better off with electric boot inserts.
Anyone have handlebar setup on their cubs like a snowmobile? Hot grip steering wheel?
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Re: cab heater

Postby tbear » Thu Nov 12, 2015 11:19 am

Thanks for the advice. Knowing I could do better than side curtains I decided to go with a thermostat, electric water pump, temp. gauge and hot water heat. I'll let you know in a few days how it all works out. All I know for sure now is that one way or another I'm not going to be plowing snow and freezing any more.

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Re: cab heater

Postby Eugene » Thu Nov 12, 2015 12:06 pm

tbear: Take photos and post them as you progress through this project.
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Re: cab heater

Postby tbear » Sat Nov 14, 2015 8:12 pm

Hey, I got hot water heat. I'll put some info and pictures on in a day or two. Thanks

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Re: cab heater

Postby Matt Kirsch » Tue Nov 17, 2015 3:21 pm

If you can't get hot air off the radiator in the summer, you definitely won't overheat the engine by partially blocking the radiator in the winter.

Where did you put the thermostat? There's no place for one, far as I know.

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Re: cab heater

Postby BigBill » Tue Nov 17, 2015 7:38 pm

On my project 154 my plan is to add the fcub geared starter /flywheel ring and a one wire 105 amp alternator. I picked up a electric trailer truck cab heater, am/fm radio and a cb radio.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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Re: cab heater

Postby danovercash » Tue Nov 17, 2015 9:35 pm

Re earlier post: I would not be afraid to totally block radiator with heater core and fan working. Only down side is hp wasted turning a fan that can't move any air. Basically if you need cabin heat, you won't need radiator. JMHO.
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Re: cab heater

Postby Eugene » Tue Nov 17, 2015 10:03 pm

Today, Harbor Freight had 12 volt heater/defrosters for $12.?? each.
I have an excuse. CRS.


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