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NEW PRODUCT: Twin Arb Compressor Mount Behind The Rear Seat For 2017+ Superdutys
Hello, my name is Troy Rutherford, owner of Dirt Church Industries.
I recently came up with a design that allows you to mount the twin ARB compressor in the cab of your 2017+ Superduty. By relocating the factory bottle jack behind the rear seat it cleared up enough room to mount the compressor and provided a secure mounting location for the compressor. In addition it allowed for additional storage of airlines and other commonly used air tools.
This kit is 100% complete with very detailed installation instructions. 6 gauge duplex marine grade wiring is cut to length, properly crimped terminals, heat shrink tubing installed, 80 Amp fuse breaker, powdercoated 3/16" thick steel brackets, 25 foot airline, fittings, hoses, couplers, 1/4" air line, as well as a hammer lug crimping tool provided that will allow you to crimp the final two terminals on your end.
I look forward to answering any questions you may have and possibly coming up with additional products for the Ford SuperDuty as a need arises. Be sure to check out the installation instructions as they very detailed, thus kit can be installed by your average person in their garage with no "special" tools required for installation.
I understand that paying a shop to install this kit can be a bit nerve racking, while installation time takes ~3-5 hours it adds up at the current shop rate of $100-150 per hour.
We have taken a considerable amount of time creating very detailed installation instructions. I fully understand that digging into your Ford truck can be nerve racking, however these instructions will walk you through step by step, allowing the average garage mechanic the ability to install this kit with basic hand tools.
To answer questions that may come up i thought it would be best if I answered all of them in one post with supporting information.
The sound level:
When running the compressor inside the vehicle with all 4 door closed and the windows up the sound decibels are at ~75.5 DB-A. This is the same decibel level as playing your factory radio at a volume of 8-9 depending upon the song being played.
Heat:
These temperatures were taken today with the outside temperature of 90 degrees outside with the truck in full sun. When running the compressor for 30 minutes non stop. The temperature on the back of the seat, closest to the air compressor was 112 degrees. The temperature on the threaded "T" air fitting was 118 degrees. The hottest temperature recorded on the compressor housing was 160 degrees. The 160 degree temperature is burred deep with-in the compressor and is not at potential hazard due to ARB's heat shields and protective shrouds. See attached photos below showing clearance between the compressor and the rear seat.
Duty Cycle:
I have ran this compressor continuous for 2 hours, in the process I aired up (8) 37" tires from 0 PSI to 65 PSI non stop. This was a test to verify the airlines and coupler were up to the task at hand. All the components tested passed with no issues.
Kit Options:
The air hose, fittings, 80 amp relays and other miscellaneous items will not be removed from the kit. I have spend countless hours sourcing parts that have a high quality design and will survive its intended application.
I like the idea of the compressor being the seat. Have you considered a kit that would allow compressor control from an up-fitter switch? And an option for an air tank?
I like the idea of the compressor being the seat. Have you considered a kit that would allow compressor control from an up-fitter switch? And an option for an air tank?
Buckeye, Thanks for your inquiry. This kit is exclusively designed to be controlled using the factory up-fitter switches.
As for an optional air tank, there are other forums that I have advertised this kit on where customers have installed a remote air tank. You can tap into the compressor with an additional push to connect "T" air fitting. You would then route the new airline through the back of the cab to your air tank.
I looked through and didn't see it said anywhere, but I very well could have missed it. With the rear tires at 80 psi or whatever it is, how will would it take the compressor to get aired up. For example say the spare was empty.
From reading the post above with the test at 65 psi, it seemed to me getting a tire from 0 to 65 would take 15 minutes?
I looked through and didn't see it said anywhere, but I very well could have missed it. With the rear tires at 80 psi or whatever it is, how will would it take the compressor to get aired up. For example say the spare was empty.
From reading the post above with the test at 65 psi, it seemed to me getting a tire from 0 to 65 would take 15 minutes?
To inflate a 37"x13.5" wide tire on 18" wheels it took me ~15 minutes per tire to go from 0 to 65 psi. Keep in mind that this is a much larger tire than stock, however the tires I have max out at 65psi. I would bet that if you factored in a stock size tire at 34" on a 20" wheel from 0 to 80 psi the time required would be equivalent.
The smaller the DIFFERENCE between the air pressure SUPPLIED and the air pressure DESIRED, the longer it will take to achieve the air pressure desired.
My little pancake compressor has to be at over 90 psi in order to put 80 psi into the tires within the time that I have the patience to wait. But the volume of the pancake compressor tank, and the cfm of the pancake compressor pump, is insufficient to sustain 90 psi to fill my stock 31.5" tires to 80 psi.
So I often have to pull the pressure release blow off valve to more rapidly release pressure out of the pancake tank, so that the pressure switch will cycle and turn on the pump to fill the tank to 115 psi, and then with the LARGER DIFFERENCE in supply pressure over desired pressure, I can fill the tire faster. I might have to pull the safety switch twice in order to get from 70 psi to 80 psi.
This technique was not necessary with my 2HP (real, not "peak") 20 gallon roll around compressor. And it is certainly not an issue with my 80 gallon, 175 psi, 7.5 HP (real) shop compressor. But the small portable hand carry compressors I have used have always been challenged to push that last 5 psi into the tire without cycling the pump to build up a higher pressure differential between the small tank and the tire, whose air volume exceeds that of the tank.
In the case where there is no tank (the tire itself is the "tank"), then one is entirely at the mercy of the cfm of the air compressor pumps.
Me personally, I would not want compressors inside the cab. I would use a Vaiair setup under the bed.
But, I just picked up the Milwaukee M18 inflator kit for $200, and it’s amazing. I can take it anywhere.
Me personally, I would not want compressors inside the cab. I would use a Vaiair setup under the bed.
But, I just picked up the Milwaukee M18 inflator kit for $200, and it’s amazing. I can take it anywhere.
I too have the Milwaukee inflator, it’s my 2nd one as the first unit burned out inflating my trailer tires up to 80 psi. It’s a nice unit for light jobs, however it will not replace the duty cycle or output of true dedicated compressor.
I did not want to mount a compressor under the bed of my truck. I tend to keep my vehicles for 10 years or longer with excess of 300k miles. Given the salt, de-icer, sand, mud, etc, I wanted to ensure the compressor would last as long as I keep the truck.
I too have the Milwaukee inflator, it’s my 2nd one as the first unit burned out inflating my trailer tires up to 80 psi. It’s a nice unit for light jobs, however it will not replace the duty cycle or output of true dedicated compressor.
I did not want to mount a compressor under the bed of my truck. I tend to keep my vehicles for 10 years or longer with excess of 300k miles. Given the salt, de-icer, sand, mud, etc, I wanted to ensure the compressor would last as long as I keep the truck.
Dirt Church Industries
Correct, it won't, and it's not made to. The vast majority of us are just topping off tires...keeping up with the dropping weather, or long periods of sitting. Not going from 0 to 80psi on multiple tires. Your setup would be a good choice for that. I do like that your kit has an outlet on each side of the truck. Nice feature there! Too many just have one outlet, and you are left with a very long hose to get around the truck, or are throwing it under the truck to the other side.
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