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Old 11-06-2017, 11:57 AM   #1
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Which bottle jack, Reg. or low profile, 12 or 20ton?

Looking for feedback on which bottle jack to carry "just in case"? And yes we do have road side assistance. Our Windsport 27k is built on the 18k F53 chassis and and it weighs about 5700# front and 10570# rear, fully loaded. I have looked at 20T and 12T regular and 20T low profile. I'm leaning towards the 12T as it should be able to handle the weight of the coach and is slightly shorter than the 20T and a little lighter. The 20t low profile just looks too short! Thoughts PLEASE.

John & Diane
2015 Windsport 27K, Sumo Solo's front, CHF rear, DIY rear track bar, and 5Star tune. 2014 Captiva toad and Ready Brute.
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Old 11-06-2017, 12:15 PM   #2
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How much clearance is there between the jacking point and the ground? That will dictate which jack you need. If the jack is too short you just add some blocks under the base. If it's too long then you dig a hole or go find a shorter jack.

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Old 11-06-2017, 12:57 PM   #3
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I just bought a 20ton from harbor freight worked great for my rv. Just measure from ground to where you will place the jack and you will know the one you need.
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Old 11-06-2017, 01:07 PM   #4
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Iíve got a 12t regular and Works great. You can carrier a couple of blocks and adjust the screw top to help with height adjustments.
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Old 11-06-2017, 02:03 PM   #5
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better to have one that is a little short, rather than a little too tall. You can always screw out the top or add some blocks. I've been very pleased with a jack I purchased at US jack, but I don't use it for the motorhome.
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Old 11-06-2017, 05:48 PM   #6
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Just for something to remember, if you have to use it for a flat tire on the front, the entire chassis will be lower due to the tire being flat. Plan on about 6-8 inches lower.
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Old 11-06-2017, 05:51 PM   #7
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Good point. Thanks for the reminder.
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Old 11-06-2017, 06:01 PM   #8
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I have a 20 ton, better to much than not enough. Also if I ever get a flat, I will use my levelers and then jack as a safety, if I need to change the tire. I have road side assistance for that, but I will not wait in the middle of now where for them, thats why I carry a spare.
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Old 11-06-2017, 06:11 PM   #9
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I use a 20t bottle jack because that's what I had on hand before full timing. Just a safety reminder to use a pc of plywood under the bottle jack if on asphalt along with tire blocks. This summer I jacked up my truck in a parking lot and while getting my other tools, the jack tilted and one side sunk into the asphalt which rolled the truck forward. Lucky, the tire was still on the axle.
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Old 11-06-2017, 06:46 PM   #10
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Got leveling jacks? Use them to initially lift, then jack and/or jackstand.
Vince and Susan
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Old 11-06-2017, 07:14 PM   #11
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If you decide on a bottle jack (12t or 20t) - go with a low profile one to make sure you have adequate frame / axle clearance to easily position the jack.

I use a 20t low profile and stow it and gloves and other necessities in a ammo can.

On my 5th wheel the 20t standard bottle jack was to tall to fit under the proper jack points with a flat tire - while a 20 t standard worked ok in the shop with tires fully inflated.

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