Researching legit 12V on board air system (for tow rig)

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    #16
    Sorry to thread jack a bit but feel its close to on topic... Could you run the 3/4 Puma compressor tankless and then find an older pancake compressor that has a burnt motor and use that tank as a remote tank? Then just run your lines as needed? Asking primarily for ARB applications but want to have available air if needed.

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      #17
      How much do you want to spend? I have an Oasis and its awesome, but its not cheap. Things suck power big time.

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        #18
        Originally posted by HYDRODYNAMIC View Post
        I went with a Thomas 1/2HP twin piston. It costs a lot but was worth it to me. Second choice is the Oasis York style.
        Thanks again.
        I found the TASKAIR series specs here:
        TA-5102-DC specs:
        3.35CFM at 0 PSI
        2.72 at 25
        2.25 at 50
        1.50 at 100 at 45A at 12V
        1.35 at 125
        1.25 at 150, I am not sure what the running Amps are at 150 but I believe they are around 70 based on calculations
        230A starting current locked rotor at full pressure




        Oil Less
        Permanently lubricated and sealed bearings
        Cast iron cylinder
        SS valves
        Teflon rings and skirts
        Service free
        Field rebuildable
        Totally enclosed motor
        Low vibration
        Single point intake
        Quiet operation
        Resistant to dust and water
        Last edited by LowDown; 4 days ago.
        1 ton FJ45. Father & Son 1 ton 4Runner Build. Death Metal Trailer.

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          #19
          Originally posted by HYDRODYNAMIC View Post
          I went with a Thomas 1/2HP twin piston. It costs a lot but was worth it to me. Second choice is the Oasis York style.
          What's your take on running something like a 12V air dryer?

          1 ton FJ45. Father & Son 1 ton 4Runner Build. Death Metal Trailer.

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            #20
            Extreme Air makes some impressive 12v stuff as well as accessory driven compressors.

            https://www.extremeoutback.com/produ...rpentine-belt/
            88 Ford F-turd50 IDI Crawler

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              #21
              Originally posted by Toreadorranger View Post
              Extreme Air makes some impressive 12v stuff as well as accessory driven compressors.
              https://www.extremeoutback.com/produ...rpentine-belt/
              For sure. I emailed them last night about a price for their 6.7 Cummins kit.
              Last edited by LowDown; 4 days ago.
              1 ton FJ45. Father & Son 1 ton 4Runner Build. Death Metal Trailer.

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                #22
                FYI, as of 3/31/21

                Direct from Puma re: DE08K :
                "We do not have this item in stock. At this time there is no ETA. The compressor is $315.00"

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                  #23
                  Originally posted by LowDown View Post
                  What's your take on running something like a 12V air dryer?
                  Are they cool, yes. Are they necessary, maybe. If you have a large tank with a drain valve that will work well by allowing the air to cool and drop out some of the vapor before it leaves the tank and goes into whatever you are using the air for. You can also run a small coalescing filter on the outlet and or a small disposable desiccant filter if you really wanted to keep water out of something. Since you only have a small 12V compressor and its not running like a shop compressor or for brakes the water build up will not be near as great.
                  Take into account the weather. If you are in the mountains and driving through clouds or humid weather then you will be pulling a lot more moisture. If you are in a desert in the middle of summer with clear skies then you might not see any moisture in the tank.
                  I have no desire to plumb in and maintain a dedicated 12V air dryer. Its one more thing that could break out in the middle of no where. Fleet vehicles it is not a big deal if something goes out, just take it into the next town and replace it and keep trucking along.
                  One of the biggest things I learned about my old hydraulic buggy and heavy machinery in general is that it can be a workhorse and run reliably for a long time, because they have complex engendered components and systems, but that one time it breaks or goes down, it is really down and stuck. Jeeps, truck, and buggies are simple machines able to be fixed on the trail or towed out with relative ease. The more complex the vehicle gets, the higher the likelihood that you will be dragging it out with a fight until you can get it on a trailer to do the repairs in a shop.
                  On my new build I am constantly at war with myself, keeping to the plan to be mainstream and not nerding out and getting complicated. When I get old not that I'm young anymore, I want to to be able to take my buggy into a shop if I need to and have someone else work on it with ease. I want my kids to be able to wrench on it without having to spend all the time learning the things that I had to learn. I want to be able to nock myself out when I roll down a cliff and not have to worry if my friends will be able to get the buggy back home while I'm being air lifted out.

                  Comment


                    #24
                    Originally posted by Toreadorranger View Post
                    Extreme Air makes some impressive 12v stuff as well as accessory driven compressors.

                    https://www.extremeoutback.com/produ...rpentine-belt/
                    Those 12V pumps have supper small pistons and I believe their numbers are all inflated as well and they wear quickly.

                    I ran a Sanden rotary piston for a while on a F150, it got smoking hot and always scared me. If you read the extreme sticker it says 5 min on and 10 min off. That is a garbage duty cycle even if the CFM if huge. They are not designed to run the way we want with fresh dry air. I also had many friends in the air bag scene that burned up those Sandens. I eventually ran an oil mist lubricator on the intake to oil both sides of the piston and an oil separator on the outlet to recollect the oil. It was a mess but it did work. York is a different animal than the Sanden. Go that direction if you want engine driven.
                    Last edited by HYDRODYNAMIC; 4 days ago.

                    Comment


                      #25
                      Originally posted by LowDown View Post

                      For sure. I emailed them last night about a price for their 6.7 Cummins kit.
                      I have not seen an engine mounted York on the 6.7 only the rotary piston.
                      Some engine kits replace the second alternator location with a pump.
                      If you have dual alternators then 12V compressor would be the way to go, no sense in removing an alt for a pump when you can have all three.
                      Last edited by HYDRODYNAMIC; 4 days ago.

                      Comment


                        #26
                        After re-reading your original post, your not doing anything crazy, your main concern sounds like airing tires,

                        I have three Pumas, all of them 6 or 8 years old, all see regular duty

                        2500 Chevy Air Bags and tires
                        1997 4runner on 37's airing up tires
                        1985 4runner 35's Airing up tires

                        each have the small 1.5 gal. tank,


                        If your not opposed to a little work It was pretty easy to separate the tank from the compressor and remote mount all the components tucked away, also having air on the trail is always a bonus.

                        The puma is up to the task and has been dependable.

                        Is it a twin piston belt driven commercial compressor?? No.

                        It will take some time to fill your 40's, but it won't burn out. and the idea of mounting more volume with shut off valves is a good idea, the puma will run as an on demand compressor.



                        Again, more than one compressor on separate rigs, gives you trail air and spreads the work over more than one compressor.

                        that's just my setup though.

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                          #27
                          Originally posted by YotaAtieToo View Post

                          Well wtf, should have know not to trust Amazon description. ​​​​​​

                          This place says 3.3 @40/1.36 @90 though

                          https://www.aircompressorsdirect.com...or/p13972.html
                          I had this Puma for a few years with an additional 3 gallon tank...it was pretty slow for the amount of space it took up. the little 60psi viair I have now is just as fast if not faster and fits in the glove box.

                          https://www.aircompressorsdirect.com...or/p13972.html

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                            #28
                            Seriously would rather have a PTO driven compressor than anything v belt driven.

                            Iffin you have a NP205 or a manual transmission you can pickup this setup.

                            Its not as cheap as a underhood compressor but IMHO its totally more reliable.

                            My cucv is already setup for this feature air shifted as well as no control cables to run.

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                              #29
                              I have a 100% duty cycle viair on my tow rig to run the air bags. I have the line to the bags on a disconnect then I can plug in a regualr air hose and turn on my airbag controller bypass witch to run straight on the air switch for airing up tires and inflatable kayaks. Works good for that application.

                              I just ordered my new work truck with a 70cfm VMAC engine driven air compressor. An option if you want to get serious.
                              The webwheeler formally known as MNorby

                              Comment


                                #30
                                Originally posted by Lbhsbz View Post

                                I had this Puma for a few years with an additional 3 gallon tank...it was pretty slow for the amount of space it took up. the little 60psi viair I have now is just as fast if not faster and fits in the glove box.

                                https://www.aircompressorsdirect.com...or/p13972.html
                                You must have gotten a lemon. Mine is pretty decent.

                                I don't know what the 60 psi one is, but The cheap viar is slower than the little red one from pep boys/orileys.

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