What is the Retracted Height of the Tradesman 7K Hydraulic A-Frame Jack w/ Connection Kit?

Question

Question:

What is the retracted height from the bottom of the landing pad to the top of the mounting plate?

asked by: John R

0

Expert Reply:

Hey John, welcome back. From the bottom of the landing pad to the mounting plate is 12" on the Tradesman 7K Hydraulic A-Frame Jack w/ Connection Kit for Bumper Pull Dump Trailers item # ST47VR. It has a total 32" retracted length and will provide up to 24" of lift. This kit includes all hydraulic lines and fittings necessary to connect to a dump trailers hydraulic system.

What kind of trailer do you have?

expert reply by: Jerred H

0

ST47VR
(click to enlarge)

Jerred H.

3/4/2026

Hey John, how did the Tradesman 7K hydraulic jack work out for your dump trailer? I'm curious if the 12-inch height from the landing pad to the mounting plate fit your setup well. Your feedback could help others looking at the same jack.

Answer 1

Hey Uriah, thanks for reaching out! The Tradesman Vaquero Self-Contained Hydraulic A-Frame Trailer Jack #ST86FR will work best if it's hardwired to a battery on your trailer, but you can also hardwire a 7-Way plug and lead like part #H20043 and…

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Answer 2

Yes, it will Stephen. The Atlas IV Double-Acting 10K Hydraulic Trailer Jack w/ Connection Kit for Dump Trailer item #ST84VR is designed to connect directly to the hydraulic pump that's already running a dump bed type setup. This kit includes a…

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Answer 3

Yes, it will David. To use the Hydraulic Jack w/ Integrated Counter Balance Valve item #e23VV on your dump trailer, you'll need the Stillwell NeXgen Zero Leak 6-Port Hydraulic Ball Valve item #ST38FR. It'll tap right into your dump…

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Answer 4

Installing the Hinges on your Side-Door Bar Lock Assembly, item #305736, is pretty much up to you and the construction of your trailer. You will need to purchase appropriate hardware to install the Side-Door Bar Lock that you purchased. It is best if…

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Answer 5

Good question, Corey. Since the Americana 14" Aluminum AM03 Series Black Wheel #AM48NR is designed for use on 1/2-20 lugs, you will want to torque the lug nuts to between 75 to 85 ft-lb. I included an image showing all the torque values we have…

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Answer 6

If you check out the attached instructions for the Curt TriFlex Trailer Brake Controller #C24VV you can see that the OL code you are getting means that there is an "Overloaded output circuit, trailer brake system fault". Whichever…

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Answer 7

Yes, there is 15 teeth per each gear on the Replacement Gear Kit for etrailer and Ram Sidewind Jacks #TJA-2000S-GR. These gears have a thickness of 0.5", an OD of 1.36", and an ID of 0.5".

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Answer 8

Most jack manufacturers including Fulton, Bulldog and Dutton Lainson use slotted holes in the jack mounting flange. Three inches apart center to center is considered industry standard. Since the holes are slotted, there will be a bit of wiggle room…

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Answer 9

We aren't manufacturers of those parts, and we don't have the testing ability in house, so I reached out to a couple of our manufacturers to see what information they could provide to try and help. I reached out to my contact at Curt…

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Answer 10

Hey Suede, thanks for reaching out. We do offer a replacement Bottom Support Plate #JSP-100 which can be welded to the frame. The top support plate is generally part of the coupler, like part #CA-5210-B for example. I hope this answers your question.…

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What is the Retracted Height of the Tradesman 7K Hydraulic A-Frame Jack w/ Connection Kit?

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