ARB Portable Air Compressor, 12V Single Motor, 3.08 CFM, 100 psi (CKMP12V2)

$499.95
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The Compressor Range Explained

ARB's own walk through of how the single and twin, portable and on-board compressors differ, and which job each one is actually for. Useful if you are still choosing between them rather than committed to this one.

Why A Premium ARB Compressor

ARB walks through what separates its compressor line from bargain units: sealed motors, real duty cycle ratings, serviceable filters and the electrical kit that comes standard. If you are comparing this against a parts store special, it is the honest comparison from the people who build it.

The ARB Story

How a Melbourne garage operation building bull bars for outback tourers in 1975 became the southern hemisphere's biggest 4x4 accessories maker. Seven minutes on the company behind this compressor, filmed by ARB itself across its Australian factories and proving grounds.

The Compressor Range Explained

ARB's own walk through of how the single and twin, portable and on-board compressors differ, and which job each one is actually for. Useful if you are still choosing between them rather than committed to this one.

Why A Premium ARB Compressor

ARB walks through what separates its compressor line from bargain units: sealed motors, real duty cycle ratings, serviceable filters and the electrical kit that comes standard. If you are comparing this against a parts store special, it is the honest comparison from the people who build it.

The ARB Story

How a Melbourne garage operation building bull bars for outback tourers in 1975 became the southern hemisphere's biggest 4x4 accessories maker. Seven minutes on the company behind this compressor, filmed by ARB itself across its Australian factories and proving grounds.

Frequently Asked Questions

Straight answers on specs, fit and support

Single or twin, which do I need?

On 33" tires and without air tools, this single is the right amount of compressor. On 35s and up, or if you want to run tools, the twin portable CKMTP12 doubles the air, raises the pressure to 150 psi and adds a tank.

Do I need to install anything?

No. It clamps to the battery and the hose comes with it. That is the entire setup.

Can I plug it into a cigarette socket?

No. It draws up to 32 A and the battery clamps are supplied for that reason. An accessory socket cannot supply it.

How long can I run it for?

ARB rates the duty cycle at 50 percent, 30 minutes on and 30 minutes off. A four tire air up on 33s from trail pressure sits well inside that.

What is the difference from the CKMA12?

The compressor is the same. The CKMA12 is the on-board version that bolts into the vehicle and wires to a dash switch. This is the portable version in a case with clamps and a hose.

Why is there no installation video?

There is nothing to install, and ARB has published no compressor installation film of any kind for any model in the range.

What our customers say

4.9 · 23 reviews

Armand F. Verified
09/03/2025

perfect for my camper van.

perfect for my camper van. well made, compact and a digital display makes this inflator the device I needed while I am on the road

Derrick W. Verified
04/02/2025

Absolutely love the setup for

Absolutely love the setup for this compressor! The case could be a little more beefy but great product overall!

Thomas C. Verified
12/15/2024

A nice and compact suitcase,

A nice and compact suitcase, air compressor, great addition to my over landing gear.

Jeffery C. Verified
12/12/2024

Love the quality and easy

Love the quality and easy portability. Very powerful.

Leslie+S
06/17/2026

Great Air Compressor

Excellent product, very strong pressure and it aired up my tires very fast after airing it down.

KEVIN D. Verified
09/04/2025

This is the second one

This is the second one I’ve had. I sold the first one and regretted it. It dose a great job.

JEREMY L. Verified
08/18/2025

This air compressor works like

This air compressor works like a charm! Airs up 33” tires pretty quickly for a single piston air compressor

William M. Verified
02/20/2025

The quality of this unit

The quality of this unit is very very good. I have only run it on a small 12 v motorcycle battery to date but it works very well.

Justin T.
02/05/2026

Nice portable setup with an issue

ARB's own instructions say that their compressors should never be used without a manifold kit due to heat and this kit does not use one, instead the air outlet comes directly out of the compressor and the connection gets very hot. My needs changed so I ended up removing the system from the portable case and hard mounting/wiring under the hood of my car after adding a manifold kit and remote mount coupling. I now use the ARB case for a tool kit in my 4Runner! If I were to do it over again I think the single would still be my choice but I'd avoid the portable model and get the hard mount/wire kit that comes with the required manifold.

MIKE M. Verified
10/21/2024

This is a very handy

This is a very handy little workhorse, works great airing up 37" tires. Very pleased with it.

75
03/23/2026

Solid Product

Air pump works great. Took my jeep out to the Outer Banks. It took less time to air the tires back up than it did to deflate them.

DANIEL A. Verified
07/27/2024

Just what I needed to

Just what I needed to keep my van tire pressure right.

Victor
05/27/2025

Arb compressor

Very easy to use and is protected in it's case . Secure it inside your jeep and plug kit and your set for punctures on or off road.

David
03/28/2025

High Quality, A bit on the bigger side

This thing is awesome quality is nice. Airs my 35's easily. I have two issues. you cannot take it out of the carry case. And the carry case is pretty big so it makes it harder to store.

MDW12
09/17/2024

Great AirUp Option

Looked at a few options and decided I won't be installing the onboard air under the seat or near the engine. I'll just put this in my Jeep with my recovery gear and first aid kit when I wheel. I'm ok with filling one tire at a time. Simple compact and rugged.

Erick
03/26/2024

Top notch piece of air-up kit

Went to the Oregon last week and this guy was used daily to help us air-up and get us back home after a long day on the dunes. Top notch super reliable piece of kit.

Micah
02/12/2024

Twin air compressor.

This compressor is amazing! It flows more air than my 30gal oiled shop compressor. The twin motors run so smooth and fairly quiet. The only modification I made was adding an inline air dryer because of the large amount of after that starts spraying out after a minute. It fills my 285-70-r17 tires from 20-60psi in only 18 minutes. The air hose and air gun work great. I love that it has a 100% duty cycle. I have no problems with it killing my 6.7l dodge ram batteries with the engine off. I’d say it worth the price tag.

Tomahawk1
05/22/2026

Arb twin portable compressor

Arb twin portable compressor is awesome .Very fast and keep in back of my jeep all the time . Always ready when airing up or for emergency would definitely recommend to everyone needing portable air.

DontHaveTacoma
05/06/2026

Super easy. Super powerful.

This thing is super easy to get connected and running. It fills its tank in just a couple of minutes. The box is sturdy and the latches are strong but easy to open and close.

LarryK
03/25/2026

Portable Pneumatic Perfection

What I like: • Speed - takes only minutes (2-3) to inflate from 10 to 39 psi (35 X 12.5 R18) • Ease - compressor, electrical cables, air hose, and attachments are thoughtfully designed, easily accessed and stored (in the a portable case), and easy & quick to use. It seems obvious engineers have listened and responded to user feedback. • Portable - I considered alternatives including under seat mount, rear compartment mount, engine compartment mount, each of which seem nifty and handy. I am soooo pleased I chose portable. Portable has made it much easier to assist others, and made it useful for stupidly common applications including at home. I’d purchase portable again without reservation. Be aware: • It isn’t exactly light … not something your children can tote around.

KSV85
10/04/2025

I have had this compressor for about 6 month

before this i was using a cheap compressor and going from that to this, is night and day. It's pretty quick, doesn't over heat. It's worth the money if you don't have an on-board compressor

Tom W.
09/26/2024

Updated Review

After three years of use, my single ARB air compressor had a piston issue. I was disappointed and said so in a review. I contacted customer support on the off chance that they may be able to help me. Not only did they help me, they did so quickly and with minimal effort on my part. They sent me a replacement motor/piston assembly, and now my pump works like new! Sometimes, machines will fail, but the ARB support is second to none. You can buy this product with confidence. I will be an ARB customer for life.

Justin
01/09/2024

Portable Twin Compressor

Great little compressor kit. The tank charges quickly and it pushes quite a bit of air. Nice compact package that fits in my truck box nicely. Well thought out kit.