What is the Difference Between Lift and Support Capacity on a Trailer Jack

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Question:

what is the difference between support capacity and Lift capacity

asked by: Meri

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Expert Reply:

The support capacity is how much a jack can hold whereas the lift capacity is how much a jack can lift. The Bulldog Square Jack w/ Footplate part # BD190754 has a 8,000 lb support and 5,000 lb lift capacity. If you will be using the jacks to lift and lower a trailer onto a hitch ball or kingpin then they will need to be chosen according to their lift capacity but if you are just using them to stabilizer or support a trailer then they can be chosen according to their support capacity.

Generally speaking, it will always be better if the jack is overrated for its intended purpose as this will allow it to last much longer.

expert reply by: Conner L

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Answer 1

The Xtreme Off-Road Swing-Up Jack w/ Dual Wheels #ORJW500D and #ORJW350D are pretty similar with the only differences being the weight capacity, 1,100 lbs vs 770 lbs, and the total travel, 18-3/8" vs 12". Aside from that the mounting…

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Answer 2

Hey Laura, The Ark Xtreme Off-Road Jack #ORJW1SU will do exactly that, and do it safely! The jack has a 770lb lift capacity which refers to the tongue weight of your trailer. Since you have a 3,300lb trailer your tongue weight is roughly 330lbs so it…

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Answer 3

Hey Rod, The Ark Xtreme Off-Road Jack w/ 2 Wheels #ARK99FR has multiple slots in the outer tube of the jack that the mounting bracket can slot into. In the bottom slot you'd be right around 9-1/2" between the ground and frame with the wheels…

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Answer 4

The Fulton 1600 lb Jack is rated for a 1600 lb static load. This means that the jack can safely lift 1600 lbs on a stationary trailer straight up. If the tongue weight of the trailer is exactly 1600 lbs and the trailer has a wheel on it and you…

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Answer 5

In regards to the Trailer Valet JXC Trailer Jack part #TV94FR, the distance from the mounting plate to the bottom of the outer tube is 7" which you can see in the photo below. I don't have any confirmed fit caster wheels for this jack but…

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Answer 6

To verify that the Trailer Valet JXC Trailer Jack #TV54FR will fit your 2018 Nucamp Tab400 you will need to verify that the opening for the a-frame jack on your Tab has at least a 2-1/4" opening. The JX2#TV54FR is enough for your Tab as the…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 9

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 10

To check the pins on the vehicle side 7-Way, you can use a circuit tester or the volt meter. The circuit tester will show you if a signal is coming through on the pin you are testing while the volt meter will tell you that and how much voltage is…

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Answer 11

It sure does Steve! Our 3,500 lbs etrailer Electric Trailer Jack w/ Tongue Weight Scale item #e43KV also comes in a 5,000 lbs capacity. We have two different options depending on how you want to power it that I have listed below: Wired to Trailer -…

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Answer 12

Hey Seth, The etrailer Electric Trailer Jack w/ 7-Way - Drop Leg - A-Frame - 18" Lift - 5K #e74GV may work on your 2015 Ford F-250, but there's a high chance that it won't straight out of the box. On 2015 and newer Ford trucks with a…

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What is the Difference Between Lift and Support Capacity on a Trailer Jack

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