Why you should install a "rear suck down winch"
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- Опубликовано: 25 май 2024
- There are a lot of rock crawlers out there set up to use their front winch as a "suck down winch". Here's a different perspective that I think not a lot of people think about.
The rear axle Is more or less neglected when it comes to suck down winches. I remember watching "24 to hell and back" when they came to Arizona, and there were a couple of spots where people needed to winch off the rig behind them because the rear of their crawlers would "unload" and shift the weight of the rig forward.
Here's an idea that might help to keep at least a small amount of that weight over the rear wheels when making a steep decent.
Please enjoy this video, stop in and say hello in the comments and click on other videos at the end of this one. 
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I can see this having multiple benefits with a lifted truck. I.E. lower the bed/tailgate for easier loading/unloading, or to get under a gooseneck or 5th wheel that is just a bit too low. It beats letting the air out of the tires, especially on a dually!
Good explanation of a rear suck down winch brother. I've been using them on my offroad trucks for at least 25 years or more. Just a cheap ATV winch with some nylon rope attached to a welded loop on the axle truss. For trucks with a fairly stock rear axle I've made loops that attach to the diff cover bolts. Once you start using a suck down winch you will quickly discover how useful they can be.
Awesome! That's encouraging, I haven't tried the method myself but I plan on playing with it a bunch.
I should have added that when the suspension unloads the truck is at 65° and that's why it flips over, meaning it flips over at the same angle. We're just exploiting physics 🤷🏻♂️
Pulling down the suspension makes a huge difference. I think the biggest advantage to it is the huge reduction in the pogo effect that happens when a bump is hit and the suspension reacts to it. A lot of people run a central limit strap to help stop the suspension from unloading, but the winch is adjustable on the fly allowing more droop travel when desired, or less when need be. I run suck down winches in the front and rear. I don’t like using my recovery winch to pull down on the suspension, because if I’m in a position to need a winch line, I may not want to have to unload my suspension to make it available.
My thought would be install a pulley block on the axle and run a double line pull. Decrease the strain on the winch but also pull each side down evenly
One of the best videos I have seen in a long time! He had an idea, explained and proved said idea, and had fun in the process!! Great video!!
Thank you! Sometimes I'm explaining it to myself too lol but these types of things fascinate me the most
Love your channel man! I have an opportunity to get a good deal on a long bed Comanche, I was hesitant at first, but your bed chop videos have inspired me! Keep them coming man! 👍
Thank you! That means a lot. If I had another chance to chop the bed, I'd make it shorter behind the tires even more. Better departure angle but who knows maybe I won't need that much clearance.
Great video! Using the RC as a "working" (or at least rolling) example was a fantastic idea! I've never even heard of a suck down winch, but with my F350 riding a bit high it would come in really handy at times! It might take a bigger winch to overcome the dually springs LOL! 🤔
I bet! That's a big truck. Have you seen the Aculevel systems they have now? Insanely pricey but impressive.
@@BlackAndBlueGarage Yeah, nice, but we'll stick with a small winch and AirLift bags for now. Not planning to do a lot of rock crawling because it is so long/wide it simply won't fit on many of the trails. I'm not a big fan of the 15 point turn! But for the occasional crawl, you betcha!
@@BlackAndBlueGarage I have a Sherpa 25,000 lb winch on the front, soon to have another on the rear. Not knowing what a suck down winch was, when you said you were using a 2,500 lb winch, I thought you messed up and really meant 25,000 lb! LOL 😂
Reminds me of a Unimog on a steep downhill or that video a rig goes end over with a huge cage (top heavy) that falls off lol
Also if you have the ability (Atlas) to shift to front drive only also helps with steep descents.
I can't afford Atlas lol. I am separating my brakes for brake steering which should give me the ability to "drag brake" both rears. I would love to own a unimog one day if I'm rich and famous lol
Yet again I miss read something. I thought is said “why you shouldn’t install a rear suck down winch”
I sat here listening for you to give me a reason to says… no, you should have one.
Well…that never happened and you explained it well.
Oh 😆. I need to get better at titles etc.
@@BlackAndBlueGarage titles grate, I think I need to slow down and read better.
@@TrailTime. Same. I have home school dyslexia and minor ASD 🤷🏻♂️ you can tell a little in my videos but I edit most of that stuff out 😆
If it was me, i believe i would only have enough cable to go around the spool the width of the spool, and go down to the axle. Basically dont have extra cable. For one, when you dont have weight on it, ir wont loosen up the wraps, and for 2, less weight. I would even consider rope instead of cable.
Not an insane idea. When I fix the end I might pull some of that cable out
Cool 😎👍 man
Thank you Frank. Been thinking of using rc as examples for a while. Not sure how well it will crossover with people
when you were talking about brakes, when you are in 4x4 and locked diffs, there is no brake bias, each wheel is mechanically link and even if you only had one wheel brake, all the tire would brake at the same rate. also read in the comments you are separating you front and rear brakes? do you have a t-case that can do fwd/ front digs?
No I'm planning on separating the front and both rears for diff steering/cutting brakes. I think I can shift to 2wd and hit both rear brakes for drag braking. And good point about 4wd in relationship to brake pressure splits. It's just something that popped in my mind at the time. This will be my first full size selectable locker; I'll probably go Atlas t-case when I build an actual rock crawler. I just hope this will be good enough for a trail truck setup.
I am guessing that a suck down winch can be adjusted on the fly, provided you have a remote in the cab. When it comes to sucking down, I'm sure you can know how much line to take up by ear, hearing the load on the winch. But how do you know how much line to let out when returning to regular ride height? Too much and you've got a loop hanging under the truck. Does it basically require that you stop and get out every time you want to adjust it?
That's what I'm wondering also. I'm still contemplating a cable system to the free spool knob. I'm hoping I can just guess at first and adapt to something only if I run into that problem. Bigger fish to fry first tho.
@@BlackAndBlueGarage Why free spool? Would it hurt to leave it engaged? We're talking only inches of line length adjustment either way. Dunno.
Hi sr, you just talk like "master of voice" yt chanel , the exact same voice lol look for him!!
I'll have to look that up.
I don't sound like that 😆. Maybe a little. 🤪