The output pressure of M18 is 10,000 PSI, while the output pressure of M12 is 8,000 PSI. Since M18 has a higher pressure, it might also dispense more grease than M12 in every stroke. 6. Grease Consumption

Take a look at our cordless Milwaukee M12 and M18 grease guns and kits below to see which models are best suited to the job. You'll be getting a quality product from a top brand either way. After mentioning all the differences between the two models of grease guns, it is also necessary to talk briefly about their similarities. Both M18 and M12 grease guns are cordless and that means they are both battery-powered. How Much Does a Milwaukee M12 Grease Gun Cost? This Grease Gun is supplied as body only - batteries and chargers sold separately. Supplied with 914 mm x 14.4 mm high pressure flex hose with spring guard and grease coupler.Kitted out with a flexible hose, powerful motors and air bleeder valves across models, the Milwaukee cordless grease gun is designed to help you apply lubricants and greases to a variety of moving parts with ease. Mechanics and engineers use them regularly, but so can hobbyists. While M18 is made of stainless steel, M12 is made of metal. And both grease guns are resistant to corrosion and rust. The difference in their material does not make much difference in their durability. 4. Voltage the 14v with 1 lithium battery is all have have and need, its about the same price as the m18 milwaukee with 2 batteries i think.

This Milwaukee GG Grease Gun is part of the extremely popular 12v M12 range of tools. The powerful 12v motor delivers over 562 bar max operating pressure. Features an integrated hose storage & shoulder strap loop - added user convenience and reducing down time. The length of the M18 gun’s flex hose is 48 inches, and the length of the M12 gun’s flex hose is 36 inches. Of course, a longer flex hose will get to further places. 9. Similarities Integrated hose storage, shoulder strap loop and LED Fuel™ gauge - added user convenience and less down time Open the air bleeder valve at the top to allow trapped air to escape. Wait until grease comes out of the valve before closing it up. That’s an indication that all the trapped air has escaped. After that, you can test the gun to be sure that it’s good to go. Does Milwaukee Make a 20-Volt Grease Gun? M18 is longer than M12. The former is 20 inches long while the latter is only 14 inches long. And the shorter is better if there’s no clear advantage attached to the longer length. That’s because it is easier to handle and store shorter devices than longer ones. 2. WeightThe voltage of M18 is 18 volts and the voltage of M12 is 12 volts. This is probably where they got their names from. Obviously, M18 will consume more power than M12. This means that M12 has an edge here. 5. Output Pressure