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Thread: 12v winch on 24v

  1. #21
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    Interesting. Thanks for that link.

    According to the spec sheet it does look like (at least for the 20k unit) that it is capable of running on 12 or 24v.

    I have never heard of this company. Of course that does not mean they are not any good but I would be at least cautious until I found out more about them.

    I did note that they offer 5 winches, from 13k to 20k and they call them all "Truck winch" except for the 20k which they call "Car winch". That seems odd. Also, the roller fairlead on the "Truck winches" looks much like the ones used by Warn and most of the other makers we are more familiar with here in the US. The 20k "Car winch" is completely different and to be honest looks pretty lame, especially the side rollers.

    Still, an interesting option to consider... Especially if your not planning on needing 100% or more of the capacity of the unit. (Like pulling cars up onto a flat bed trailer as opposed to pulling a stuck 5 ton MV out of fender deep muck - by yourself in the rain at 0300 in 35 degree temperature.)

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    Thanks for all the input.

    After hearing the responses here and doing more research, I'm leaning toward just a 12v winch powered by a 12v deep cycle battery. I was worried I'd run out of juice in the middle of a winching operation but after hearing people here it looks like I'll be ok.

    The winch is kind of on the back burner at the moment. Too cold and messy right now.
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    I went out and bought a 8,000lb 12v winch last week from Harbor Freight. I winched a deuce upon the trailer with nothing but a battery and it handled it with ease. Looks like this setup is going to work fine.
    The only member that ever gave himself a infraction point.

    www.americanmachinerymoversinc.com

    1972 M35A2C dump w/w (nothing more than a hunk of scrap iron between two winches)
    1985 Mack RD822SX (Operation Desert Storm veteran)
    M1000 transporter
    1967 M715
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    4- M105s
    M149A2 tanker trailer
    M49 parts truck
    M35A2 parts truck
    M936 (converted to lime spreader truck)

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    I know this is old. It has some good info though. I'm considering a 15000 lb. 12 volt winch with a separate deep cycle battery charged by a 12 v wire from my solar charging system. It has 12 and 24 volt outputs in a fuse box.

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    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    Quote Originally Posted by Adrian A View Post
    I know this is old. It has some good info though. I'm considering a 15000 lb. 12 volt winch with a separate deep cycle battery charged by a 12 v wire from my solar charging system. It has 12 and 24 volt outputs in a fuse box.
    If you are talking about the solargiser system with the grey box that has fuses(and circuit breakers) in it, that is a bad idea.

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    Why is that?

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    Never mind. Your right the current draw through the solar giver would trip the breaker when used.

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    That, AND the fact you will be pulling 12v from a 24v system, you will destroy the batterys the first time you use it.

    If you want to use a 12v on a 24v system:
    A, wire it to 24v
    B, get a dedicated 12v system
    C, a balancer(I forget the correct name right now, but will find it for you) might work, but I doubt it.

    EQUALIZER! Yeah, it takes the 24v from the alt and charges each 12v battery individually. That way, you don't under charge one batt or over charge the other.
    Last edited by gimpyrobb; 12-18-2013 at 01:18.

  10. #29
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    I would be happy to find a 24 volt winch that I could afford. If not maybe a 12 volt winch with a separate battery.

  11. #30
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    I've seen 12v winches used on 24 v Unimogs a number of times. It's really quite simple and works great if you plan a separate 12v battery. Mount it close to the winch if you can, an advantage normal winch installations rarely have. The limitation is the AH rating of the battery versus drain of the winch. No 24 to 12 system I have heard of, even the battery equalizers (Vanner is good brand) handle anywhere near winch current. I have a 50 amp Vanner on a 404 Unimog that runs a snow plow, and that works fine (but sure as heck is not the load of a winch).

    Charge the 12v battery through a 24 to 12 converter made for that purpose. USA companies like Wilmore have been making such converters for decades for use on professional installations such as airport fire trucks, heavy equipment, etc. The converter takes 24v from your vehicle and manages the 12v battery charging, limited to the current the model was designed for. Your 24v truck system is not modified at all.

    I have in use (for 10 years now) a Wilmore model 1416-35 that was old when I got it. It came off an airport fire truck. Also in use here: a 1416-15 (15 amp) and a newer 1640-12-15. Many of their newer converters have an enable line that can come from a switched source to turn off the converter when the vehicle is not running, a good idea.

    NewMar makes some good professional devices too. None of these devices are cheap, unless you buy cheap third world stuff like Samlex. I started out with Samlex and fried several. Never again. I want to install and forget.

    You can run radios, cell chargers, GPS, anything, off the separate 12v battery.

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