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04-11-2018, 07:25 PM
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#1
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Senior Member
Forest River Owners Club Freightliner Owners Club
Join Date: Feb 2005
Location: Gig Harbor, WA
Posts: 581
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Portable Air Pump
I've been looking on the internet for a portable air pump that is heavy duty enough to pump up our 22" coach tires to at least 110psi. I have looked at a Viair 400P-RV that sounds like it would work, but it sure isn't cheap ($220-$250). It use battery terminal (12V) connectors to run it and it is supposed to have a 40 min duty cycle. Others that I have looked at are a lot cheaper, and say that they will work up to 150psi, but only have a 10 min cycle with 20 mins rest between. The online info on the Viair says it pulls 23 amps and the vehicle should be running when using. With out battery banks I wonder if this is necessary.
Anyone have any thoughts? I think I'd almost prefer a 110V unit, but maybe the battery connecting one will work.
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2012 Coachmen Sportscoach RD385DS, Freightliner Chassis, Cummins 340HP ISB Turbo Diesel
2007 Saturn Ion 3 Toad
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04-11-2018, 07:38 PM
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#2
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Senior Member
Join Date: Nov 2006
Location: Western NY
Posts: 6,150
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Porter Cable units are also popular 120V units. I bought a vertical one for about $99.
Pancakes also popular. Takes a little more space but does the job for a lot less $
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Don & Marge
'13 Newmar Ventana 3433 - '14 CR-V TOAD
'03 Winnebago Adventurer 31Y - SOLD
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04-11-2018, 07:41 PM
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#3
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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Quote:
Originally Posted by Winemaker2
Porter Cable units are also popular 120V units. I bought a vertical one for about $99.
Pancakes also popular. Takes a little more space but does the job for a lot less $
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Agree. I have the Porter Cable compact verticle. Also have ViAir 450 RV I use in the jeep to air up after offroading. The Porter Cable bests the ViAir in air up time.
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Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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04-11-2018, 07:42 PM
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#4
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Aug 2015
Location: Northwest Washington State or Western Montana, depending on the season.
Posts: 3,473
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Porter Cable CMB-15! Lots of coach folks use them. A search of IRV2 will turn up quite a few satisfied users, including me. Capable of 150 psi, 120 VAC operation, good volume and can be purchased for $100, or less.
TJ
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Jim (W7DHC), Diane & Mini Schnauzers, Lizzy & Ellie
2018 Mountain Aire 4047
2014 Honda CR-V 2020 Lincoln Nautilus "toad" w/AF1
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04-11-2018, 07:46 PM
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#5
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Senior Member
Join Date: Oct 2016
Location: San Diego
Posts: 923
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I use my viair 450 http://amzn.to/2F79d7b on the house battery terminals without the engine running, but most of the time I am on shore power when I am filling them. The 450 has a 100% duty cycle and is rated for my larger tires. The company doesn't go by the rim sizes, they go by tire height. I had to call them before I pulled the trigger as the numbers published were from the high 30's to mid 40". I went out and measured my 22.5 rimmed tires and they were in the neighborhood of 43" tall. I have been using it for over a year now and like how quiet and lightweight it is. And the really lightweight coiled air hose that can reach all my tires including the toads without moving the unit around.
-Bill
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2006 Allegro Bus 40 QDP IFS, 8.9L Vmspec, 1.5kw Solar + 400w Suitcase, 2@ 50amp & a 30amp Victron Smart MPPT's, 712BMV, SBS, CerboGX, 8.7kw LiFePo4, RR, MS2812, Max Transit, eero 6+ Mesh WiFi, Roof Mounted Starlink In-Motion dishy
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04-11-2018, 08:02 PM
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#6
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Senior Member
Newmar Owners Club Freightliner Owners Club Entegra Owners Club
Join Date: Nov 2015
Location: AZ
Posts: 6,425
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Plus one for Porter Cable pancake compressor
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Newmar 2016 Canyon Star 3710
Newmar 2018 Dutch Star 4369 SP
Newmar 2023 Dutch Star 4369 FL
Entegra 2025 Cornerstone 45D on order
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04-11-2018, 08:11 PM
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#7
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Senior Member
Join Date: Oct 2012
Posts: 1,194
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+1 on the VAIR 450 http://amzn.to/2F79d7b. I got it since it has an auto shutoff I use when filling the duallys. The auto shutoff feature lets you use a push-fit type filler chuck like on your compressor at home. All the others I have seen require to screw on the hose that is difficult to reach in a dually tire setup. I have tried extensions and after the first flat due to the extension not being tight/leaked I removed them.
I have a box of lesser quality pumps that either failed or are a huge pain in the butt (screw on hose) to use on duallys.
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Brian
2016 RAM 3500 6.7L DRW
2018 Chaparral 360IBL, Andersen Ultimate II hitch
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04-12-2018, 09:27 AM
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#8
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Senior Member
Forest River Owners Club Freightliner Owners Club
Join Date: Feb 2005
Location: Gig Harbor, WA
Posts: 581
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Thanks for the help... I'll look at the Porter Cable CMB-15....
__________________
2012 Coachmen Sportscoach RD385DS, Freightliner Chassis, Cummins 340HP ISB Turbo Diesel
2007 Saturn Ion 3 Toad
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04-12-2018, 09:40 AM
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#9
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Have burned out three of the cheaper 120 volt units. Now have a Viair 450 RV unit. Works great and is much quieter and smaller. Only time will tell about it's longevity.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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04-12-2018, 09:43 AM
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#10
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bnb1313@aol.com
Monaco Owners Club
Join Date: Feb 2008
Location: Western Montana on the Divide
Posts: 1,561
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Quote:
Originally Posted by Tranquil Jim
Porter Cable CMB-15! Lots of coach folks use them. A search of IRV2 will turn up quite a few satisfied users, including me. Capable of 150 psi, 120 VAC operation, good volume and can be purchased for $100, or less.
TJ
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Been using this compressor for years without issue. Purchased at Lowe's on sale for $99.
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Bob Retired Army Traveling alone now, had to put Charlie the Beagle down :(.
2008 Camelot 40 PDQ 4 slides ISL400 towing a 2020 1500 GMC Sierra Denali 4x4 Crewcab
Western MT in summer, AZ, NV in winter
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04-12-2018, 03:54 PM
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#11
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Senior Member
Alpine Owners Club Newmar Owners Club
Join Date: Oct 2005
Location: Fremont, Ca
Posts: 1,327
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Quote:
Originally Posted by BigSkyBob
Been using this compressor for years without issue. Purchased at Lowe's on sale for $99.
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Same here. Porter Cable for many years.
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Jerry & Judy, Fremont, California
2017 Dutch Star 4018
Freightliner, HWH Active Air
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04-12-2018, 04:27 PM
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#12
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Member
Newmar Owners Club Spartan Chassis
Join Date: Jan 2017
Location: Plainfield, Indiana
Posts: 56
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I bought this one from Harbour Freight for $79.00 when it was on sale. It works great!
https://www.harborfreight.com/air-to...sor-67696.html
__________________
Warren and Kathy
2011 Newmar Ventana 4333
2004 Newmar Dutch Star 3807 (sold)
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04-29-2018, 05:41 AM
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#13
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Mar 2016
Location: Yorktown
Posts: 444
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You get what you pay for. Size and weight factor in also. I have most of the units mention except the viair. I will get one soon.
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06-07-2018, 01:41 PM
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#14
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Senior Member
Join Date: Mar 2017
Location: OTR Western US
Posts: 304
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Can anyone explain why a portable unit is better than the female fitting under the generator bay connecting to the air tanks onboard?
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