Magnetic oil pan heaters?

Kickinbull · Feb 15, 2016

Has anyone used one and what's your opinion? Do you have a brand that you like? Thanks KB

Lazy WP · Feb 15, 2016

The one I have is only 200 watt. NOT worth the time or effort to stick it to anything.

Billy Shafer · Feb 15, 2016

I have tried them on some small generators. Do better rubbing two sticks together.

Galen Houk · Feb 15, 2016

I don't know how big mine is but I never thought it helped at all. Never use it anymore.

Duner Wi · Feb 15, 2016

I have one on a car. If you plug it in when engine is hot I think it helps start faster/easier the next day.
I am saying when temps are - 10F and colder ,it does help . They are at the bottom of my list for being effective tho.
Tank heater,frost plug heater. head bolt heater are many times better.

moresmoke · Feb 15, 2016

As mentioned below, most of the magnetic ones are only 200W. Not much, but can help in some applications (small air cooled). There are stick on pads that have much higher raings. I have a 1500W pad on the transmission of my loader tractor. Without it you would never get the hydraulics warm enough to function properly in the winter. Tractor won't move with out hydraulic pressure, can't warm up the hydraulics without the tractor moving!
heaters

paul · Feb 15, 2016

I have a pair of 200 watt.

They help on a compact tractor, I've used them on the oil pan, or fuel tank or near the fuel filter area to throw some heat on that, I've used them to thaw a spot of an iron water pipe and so forth.

They aren't all that, but at times they can help a little.

Paul

JOCCO · Feb 15, 2016

Much like dipstick heaters not much help most don't transphere the heat very good. Better than nothing but I would look at other options if I had to do a lot of starting in cold.

Goose · Feb 15, 2016

I have one. When I bought it, I figured it would work on the oil pan of a tractor. It really didn't do enough to notice.

At the time, my air compressor was under a lean-to outside the outside wall of my shop where it was in an unheated area. I slapped the magnetic heater on the crankcase of the compressor and it did seem to help the compressor kick on in sub-zero weather.

Other than that, I've never found much use for it.

ztrmower · Feb 15, 2016

got one as gift one year used it once,never been out of box since.

retired farmer · Feb 15, 2016

I use the KAT'S magnetic heaters. Have had good luck with them.

Adrian Billheimer · Feb 15, 2016

I have two, I put one on the oil pan and one on the hydraulic sump on my Case 580D backhoe, I plug them in to a timer the night before a big forecast snow "event" to come on in the early morning, A couple hours and the oils are a little warmer, and the tractor starts easier.
Works for me, but when I get a round-tuit, I am going to put a circulating coolant heater on, I think that will work better, but will still need to warm the hydraulics.

Mel in SW Iowa · Feb 15, 2016

I have 3 Katz magnetic heaters that I use, two on the crankcase of an Oliver 1650D and if its below 20 degrees, I use the third on the bottom of the fuel tank. In ten degree weather, it will sometimes have the fuel temp up to 45 degrees if its plugged in all night. They help a lot when the tractor is parked out in the wind. The Oliver cast iron lower radiator hose heater warms up the top of the block good when its that cold, but with cold oil, I like to have both of the magnetic heaters on the oil pan.

big jt · Feb 15, 2016

I have a handful of them. For the oil pan on a large engine I agree with others they aren't worth much. Use on on the air cleaner on my 60 JD and it seems to help there. Other than that small engines or maybe thawing some ice that is preventing something from moving.

For starting anything of any size get a proper block heater. The magnetic ones are to small and the heat transfer isn't effecient enough

jt

16-30 oilpull · Feb 15, 2016

only good for small engines like mf sub-compact. helps it start easier

Bruce from Can. · Feb 15, 2016

Wonder how it would work to preheat diesel fuel ? Trouble is my fuel tanks are plastic on the tractors I use in the cold weather. My vintage tractors Hibernate for the winter. Other than a Arctic blast like we had this past weekend, it really doesn't be cold enough to worry.

Kickinbull · Feb 15, 2016

Thanks.

gene bender · Feb 15, 2016

Get the starter refreshed new heavy cables 10wt oil new batt and you wont need a heater its winter.

Russ from MN · Feb 15, 2016

I use one, our JD 4600 has a block heater but I have 15-40 oil in it, so I put the magnetic on the pan. It's in a shed out of the wind, a couple of hours it starts like summer.

buickanddeere · Feb 16, 2016

even two of them will not take the place of a proper block heater . Is the machine parked inside or out in the wind ? How cold ? What is the machine ?

Magnetic oil pan heaters?

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