Brand | ARB |
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Voltage | 12 Volts |
Recommended Uses For Product | Tire Inflation |
Power Source | Corded Electric |
Noise Level | 5 dB |
Special Feature | PRESSURE DETECTION |
Included Components | Manufactuered Brand Product |
Item Weight | 7.7 Pounds |
Capacity | 60 Gallons |
Color | Multicolor |
Product Dimensions | 12.73"L x 9.16"W x 5.88"H |
Style | Portable |
Model Name | CKMA12 |
Manufacturer | ARB USA |
Part Number | CKMA12 |
Item Weight | 7.7 pounds |
Item model number | CKMA12 |
Is Discontinued By Manufacturer | No |
Item Package Quantity | 1 |
Maximum Pressure | 100 |
Special Features | PRESSURE DETECTION |
Batteries Included? | No |
Batteries Required? | No |
Warranty Description | Warranty |
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84% positive over last 12 months
98% positive over last 12 months
83% positive over last 12 months
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ARB CKMA12 On-Board Air Compressor High Performance 12 Volt for Air Locker Differentials and Tire Inflation
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Purchase options and add-ons
Brand | ARB |
Voltage | 12 Volts |
Recommended Uses For Product | Tire Inflation |
Power Source | Corded Electric |
Noise Level | 5 dB |
About this item
- Constructed entirely of lightweight, high strength engineering grade materials
- Quality components for quiet operation and extra long life
- Hard-anodized cylinder bore for reduced friction
- Sealed for moisture and dust resistance
- Heavy duty maxi-fuse equipped for professional in-line circuit protection
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This Item ARB CKMA12 On-Board Air Compressor High Performance 12 Volt for Air Locker Differentials and Tire Inflation | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $338.00$338.00 | $269.99$269.99 | $223.99$223.99 | -17% $199.99$199.99 List: $239.99 | $189.99$189.99 | $199.99$199.99 |
Delivery | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 | Get it Mar 27 - 29 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 |
Customer Ratings | ||||||
Easy to use | 4.4 | 5.0 | 4.0 | 4.9 | 4.6 | — |
Accuracy | 4.3 | — | 3.5 | 4.7 | 4.1 | — |
Value for money | 3.9 | 4.7 | — | 4.7 | 4.7 | — |
Sold By | Addiction4WD | ALL-TOP | ALL-TOP | Thor's Lightning Air Systems | ALL-TOP | DIMAIER |
capacity | 60 gallons | — | 6 liters | 300 liters | — | 10 pounds |
power source | Corded Electric | Corded Electric | Corded Electric | Battery Powered | Corded Electric | Battery Powered |
voltage | 12 volts | 12 volts | 120 volts | 12 volts | 12 volts | 12 volts |
maximum power | — | 0.2 horsepower | 0.2 horsepower | 1080 watts | — | 1 watts |
noise level | 5 decibels | 74 decibels | 70 decibels | 70 decibels | 74 decibels | 20 decibels |
model name | CKMA12 | ATACR350DG | — | Thor s Lightning Bolt | ATACR300 | CKMA12 |
weight | 7.7 pounds | — | 16 pounds | 11793 grams | 24 pounds | — |
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Product Description
ARB CKMA12 On-Board Air Compressor
Single On-Board High Performance 12 V
Voltage: 12V
Ideal for: Air Locker, Differentials and Tire Inflation / Quality components for quiet operation and extra long life
ARB CKMA12 On-Board Air Compressor
With a class-leading flow rate, this compressor has been designed for Air Locker activation (on-board model), fast tire inflation, and a range of other functions whether they be for work or play. Constructed entirely of lightweight, high-strength engineering-grade materials.
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WHY HAVING AN AIR COMPRESSOR
The perfect accessory for off-road provides an immediate source of compressed air anywhere a 12-volt power source is available. Tires perform best when set at a pressure appropriate for the terrain
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ABOUT CKMA12-Single On-Board Air Compressor
With a class-leading flow rate, this compressor is designed for fast tire inflation and a range of functions whether they be for work or play in a durable carry case for easy storage and versatility.
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SPPED & DURABILITY
The ARB heavy-duty air compressor has enough output to inflate four 35-inch tires in a single cycle. Each tire takes just over two minutes. The motor is equipped with a 100% ball-bearing design
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HIGH-END MATERIALS - Protection and durability
Constructed of lightweight, high-strength engineering-grade materials, it incorporates quality components for quiet operation and extended durability. Teflon-impregnated carbon fiber piston
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COMPRESSOR SPECS - 0 PSI to 29 PSI
Flow rate (under no load): 0 PSI 3.08 CFM; 29 PSI 2.34 CFM. Suitable for many air tools when used in conjunction with a 1-gallon air tank (optional with ARB CKMA12 on-board model)
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ON-BOARD PERFORMANCE
Permanently mounted into your truck, includes a full wiring loom with Air Locker solenoid plug-in contacts, mounting hardware with a reinforcing bracket, and a quality compressor isolating switch.
ABOUT THE BOX
CKMA12 TECH SPECS - 100% Quality control
- Constructed entirely of lightweight, high-strength engineering-grade materials.
- Sealed for moisture and dust resistance.
- Washable sintered bronze air filter element housed in a splash-resistant cover.
- Hard-anodized cylinder bore for reduced friction.
-Motor is internally thermal protected.
INSTALLATION
1. Mount the compressor to the bracket and install the compressor and bracket.
2. Relocated the horn.
3. Hook up the wiring to the compressor and battery.
4. Plug in the relay and the pressure switch.
5. Run the wiring for the power switch.
COMPRESSOR DETAILS
INSTALLATION
Videos
Videos for this product
0:59
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An upfitters full demo and review - ARB Air Compressor
Julie Lucas
Videos for this product
2:11
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No air compressor is complete without this...
Juli & Dom Bavaro
Videos for this product
2:39
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CKSA & CKMA12
Addiction4WD
Product information
Technical Details
Additional Information
ASIN | B009F49NP0 |
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Customer Reviews |
4.6 out of 5 stars |
Best Sellers Rank | #13,839 in Automotive (See Top 100 in Automotive) #139 in Wheel & Tire Air Compressors & Inflators |
Date First Available | September 22, 2009 |
Warranty & Support
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Product guides and documents
Important information
12 volts
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, ease of installation, size and speed of the air compressor. For example, they mention it's well made, works great and that the instructions are clear. Most appreciate the speed, saying it'll air up lightning fast. That said, opinions are mixed on value, wiring, and heating.
AI-generated from the text of customer reviews
Customers like the quality of the air compressor. They say it's an excellent product, well-made, and has a 100% duty cycle. They also mention that it has lasted flawlessly for a while and is the best on board air compressor on the market.
"...The compressor feels well made. I mounted the compressor and made the appropriate wiring connections under the hood...." Read more
"...One major benefit, in addition to quality and reliability, is the fact that it is already set up to accommodate two solenoids and a pressure switch...." Read more
"...For an inexpensive option this tool is well built and performs it's given function quite well. I want one for each of my other vehicles. Buy it, NOW." Read more
"...The rat nest harness they provide is atrocious and a bit intimidating...." Read more
Customers find the installation of the air compressor to be simple and easy. They mention that the harness that is included makes install a breeze, and the instructions are clear. They also say that the compressor works great and is relatively simple to fix. Customers also mention that it comes with everything they need to set up and wire it up.
"...The harness was labeled very well and instructions were clear. I had no trouble with the wiring harness. The harness is plug and play...." Read more
"...Mechanical connections; it comes with all you need to set up but you will to buy the specific pieces you need for your setup..." Read more
"...It is, however, easy to wire up once you realize you don't need to use their provided switch and small secondary harness." Read more
"...Install was easy and fairly simple. Upon testing the unit it works as expected and was able to quickly fill up my tire...." Read more
Customers like the size of the air compressor. They say it is compact and has a big punch. Customers also say it fits under the hood perfectly and is the best small compressor unit out there. They also say that it is perfect for larger tires.
"...It airs up quickly and has plenty of capacity for this job. It is very compact which makes finding a place to mount it that much easier...." Read more
"...all four tires at the same time with equal pressure... The compressor is compact and quite with a continuous deity cycle... It fills all four..." Read more
"...I don't expect any performance issues with it and I love the small compact package this offers...." Read more
"...Included wiring harness perfectly fit our Tacoma as well!" Read more
Customers are satisfied with the speed of the air compressor. They mention that it is very fast for filling up tires, and has plenty of capacity for the job. Some say that it runs like a champ without hesitation.
"...The compressor stopped filling at 90 psi. I was still impressed at the speed given the size of the compressor...." Read more
"...It airs up quickly and has plenty of capacity for this job. It is very compact which makes finding a place to mount it that much easier...." Read more
"...sets of 33 inch tires (8 total tires in one go) and it ran like a champ without hesitation. A+ product, hope it lasts!" Read more
"Ok, this thing in surprisingly fast. I have 33" Mud Terrain and I was not disappointed in the speed of inflation...." Read more
Customers are satisfied with the airflow of the air compressor. They mention that it provides enough air for various things, and it does it quickly. Some say that it's good for inflating tires, air mattresses, and other camp items. Overall, customers are happy with their purchase and recommend it to others.
"...It suits my needs for airing up after trails and also I'm able to air up various things when I am not near my home compressor..." Read more
"...It is fine for inflating tires, air mattresses, etc...." Read more
"...It pumped up to pressure with no issues...." Read more
"...miraculously and works great again, runs the lockers and airs up my 42s just fine...." Read more
Customers are mixed about the value of the air compressor. Some mention it's well worth the money, while others say it'll over price your tire inflation kit. Some say the product has missing parts and cheap components.
"...for this little guy may seem a bit high but in reality it is worth every penny." Read more
"This product set was a little bit pricey, but ended up getting it and I am glad I did. It was not too difficult of an install at all...." Read more
"...Worth the money by far. The only gripe I have about it, is that I didn't install it sooner :)" Read more
"...There is an over priced tire inflation kit...." Read more
Customers are mixed about the wiring of the air compressor. Some mention it includes wiring harnesses to connect everything, while others say that the bags with the wiring harness had both been cut open. Some customers also report that the harness was cut and spliced, with a broken ground wire and a damaged connector.
"...I opened everything up and the two bags with the wiring harnesses had both been cut open...." Read more
"...I was very happy with the wiring harness as well...." Read more
"...The only things I didn’t like, was that there are no fittings included to connect to an air hose and that I had to use an extension nipple to get..." Read more
"...The only complaint I have it the included wiring harness. They provided a harness hoping to satisfy all needs...." Read more
Customers are mixed about the heating of the air compressor. Some mention that it has yet to overheat, while others say that it gets scalding hot.
"...Then I had problems with it over heating. Finally one of the reed valves on the piston broke...." Read more
"...It does get warm but never overheats, even after very prolonged use...." Read more
"...When I'm done airing up the hose by the compressor feels like it's half melted and the air chuck that plugs into the compressor left a burn mark on..." Read more
"...It's loud and gets REALLY hot, but it works great and has given me no problems since I installed it a few months ago...." Read more
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I was then ready to use the compressor for the first time. I hit the switch and the compressor fired right up. The compressor only ran for about two seconds and shut down. The compressor comes with a pressure switch that shuts down the unit at around 90-100psi. The manifold tube is very small and it gets to that pressure very quick. The manifold tube also has a built in pressure safety relief valve just in case the pressure switch fails. I am not sure what pressure is required to permit the safety valve to operate.
I had to source my own fittings to use the compressor as a tire fill unit. I did not purchase the kit offered by ARB because I can build it cheaper myself. I spent an additional $15.00 to make a manifold for my tire fill kit. I had to buy several pieces due to my mounting location under the hood. I also suggest to anyone that purchases the ARB tire fill kit to buy some Teflon tape. I completed the procedure and was ready to fill a tire. It should be noted that I already had 50 feet of 3/8 air hose and fitting to use the compressor. I wanted enough hose to reach from the engine bay to the tires on my travel trailer without uncoupling the trailer.
I had been carrying a portable air tank in my truck that holds 120 psi. I decided to test the compressor by filling it up. I turned on the switch and watched the hose fill with air. The compressor then promptly shut off as designed. I filled my air tank from approx 40 psi to 90psi in approx 1 1/2 to 2 minutes. The compressor stopped filling at 90 psi. I was still impressed at the speed given the size of the compressor. I filled a car tire from 10 psi to 32 psi the next day and was equally impressed at the compressor. I think it was a wise investment and would buy it again if I had to go back.
My installation took my friend and I two hours to complete. I had a small area to work with and had to "build" some tools to install some small screws in a tight place. I think my installation time was long, but I had a unique mounting location. Anyone with basic skills could install this compressor easily. I needed to drill three holes. The mounting plate has four holes, but I didn't use one due to mounting location restrictions.
This is a good compressor and I hope to use it for many years. Good luck.
The Harbor Freight compressor turned out to be nothing but problems. Obviously you get what you pay for. The first one broke the pin on the crankshaft. I modified the compressor to use a bolt in the crankshaft and that fixed the problem. Then I had problems with it over heating. Finally one of the reed valves on the piston broke.
I mention all of this to highlight all of the problems I've had over the years with something that is dead simple.
I finally decided to quit messing around with junk and go with a compressor made by a company who specializes in air lockers and also has years of experience and a great reputation.
Looking at the price of this tiny little guy I though it was very pricey for what I was getting. At the end of the day though, I've spent much more on unreliable and frustrating solutions.
One major benefit, in addition to quality and reliability, is the fact that it is already set up to accommodate two solenoids and a pressure switch. I also believe you can get an air up kit for it if you'd like. I decided not to run an air gauge as I didn't feel I need one but I believe it will also accommodate one if you would like. In addition it includes wiring harnesses to connect everything. I cannot comment on whether they worked or not because everything was already wired by me from my past setups so there was no need to read invent the wheel.
One thing I'd like to say is I don't think I would recommend the air up kit for this compressor. Not to use for airing up tires any way. If you were to use it for airing up balls and small items, maybe, otherwise get a larger portable compressor for airing up. Harbor Freight does make a larger portable compressor that looks suspiciously like a Viair and works quite well.
All of this said, this is a great little compressor for running your air lockers. It airs up quickly and has plenty of capacity for this job. It is very compact which makes finding a place to mount it that much easier.
After years of messing around with my air source on every wheeling trip it was nice to have a system that just plain worked and needed zero intervention! The price for this little guy may seem a bit high but in reality it is worth every penny.
Top reviews from other countries
Works well but as said overpriced.