The Best Grease Guns

(Last Updated On: November 21, 2019)

Go into any workshop or garage, and you’re likely to find at least one high quality grease gun. It’s a necessary tool, but doesn’t get the attention it deserves.

Grease guns are used to lubricate the moving parts and machines. This helps to prevent friction which can cause an array of damage. Of course, the key is selecting the right tool for the job.

The Best Grease Gun: Top 10 List

1) Lincoln 1162 Air Operated Grease Gun

Lincoln 1162 Air Operated Grease Gun This is a pneumatic grease gun, meaning it uses the power of air to expel the lubricant. It pumps at a ratio of 150 PSI. The air pressure driving the unit has a range of 40 to 150 PSI.

As sold, this grease gun comes with a thirty inch, high-pressure hose, coupler, as well as attachment clip. It also has continuous operation with a variable speed trigger that allows for better control. Finally, there’s a check valve assembly that ensure better flow performance. This is truly one of the better pneumatic grease guns on the market.

2) GreaseTek Premium Pistol Grip Grease Gun

GreaseTek Premium Pistol Grip Grease Gun with 18' Hose and Extension Pipe Pistol grip grease guns are exceptionally easy to use. That is why they are so popular. They are also durable, reliable, and rarely break down. The GreaseTek premium comes with a coupler, 18 inch  hose, and an extension piper.

Thanks to the plunger design, it is absolutely simple to load the grease gun and prime it up. It also  has dual positioning which helps the user reach difficult places. This is a simple gun, but very handy.

3) Dewalt DCGG570B Cordless Grease Gun

DEWALT 20V MAX Cordless Grease Gun (DCGG571M1) In many shops, the fewer tripping hazards the better. That’s why so many mechanics prefer cordless tools. Nobody wants to trip a coworker or reach the end of a hose that’s too short. This cordless grease gun is a great option.

This Dewalt grease gun is an 18-Volt tool with 9000PSI that can blow through clogged grease fittings like nothing. It even includes a filter to prevent dirt and debris from compromising the pump mechanism. The air-bleeder valve releases excess air to help prime the pump after the user changes cartridges.

This is an excellent choice for working in dark spaces as well. It has an LED light that glows bright for use in the dark. This grease gun comes with a 42 inch hose and carrying strap.

4) Milwaukee 2446-21XC M12 12-Volt Cordless Grease Gun

Milwaukee 2446-21XC M12 Cordless Lithium-Ion Grease Gun This grease gun runs 25% longer with more pressure than other autogrease guns. It can use up to seven cartridges on a single battery charge. Better yet, it has an ergonomic handle that is perfect for long periods of use. Check out the hose storage that makes it easy to keep things clean and organized. This is a convenient, but powerful grease gun.

5) Powerbuilt 940798 4500 PSI Heavy Duty Pistol Grease Gun

Powerbuilt (940798) 4500 PSI Heavy Duty Pistol Grip Style Grease Gun This is an affordable, functional grease gun. It works as advertised, and is a great deal. In fact, considering that it costs what many manual grease guns costs, it’s definitely budget friendly. It’s well-designed, has an easy grip, and is quite comfortable. This unit employs a standard 14 ounce cartridge. It also has a 5.5 inch metal extension, 12 inch flex hose, and coupler.

6) Dewalt DCGG571M1 Lithium Ion Grease Gun

DEWALT 20V MAX Cordless Grease Gun (DCGG571M1) This is the most technically advanced grease gun on this list. This tool comes with a light, and is adjustable for fitting into tight spaces. It has a high powered motor that ejects 5 ounces of lubricant in a minute. This fast working gun is great for busy shops with lots of jobs to be done quickly. It has an LED light, and filter to keep dirt out of the pump. This is a great gun for precision work as it has a variable speed trigger.

7) Lumax LX-1152 Black Heavy Duty Deluxe Grease Gun

Lumax Black LX-1152 Heavy Duty Deluxe Pistol Gun with 18' Flex Hose, Handy 3-Way Loading Standard Cartridge, Suction or Bulk Fill. Convenient One-Hand Operation for Easy Greasing This is a great tool for heavy duty jobs. This pistol grip grease gun is durable with a steel barrel, and corrosion resistant chrome plated handle. It comes with 18 inches of hose which helps you to reach nearly anywhere you need. Check out the three way loading system. You can use a grease pump, cartridges, or suction.

Thanks to its ergonomic design, you can handle this easily in any position. The follower rod seals things to prevent grease bypass. In addition to the 18 inches of extension pipes, it has a no drip cap, hydraulic coupler. It has an output of 4 oz of lubricant for 100 strokes.

8) WorkForce Mini Grease Gun L1305

Legacy Workforce Mini Grease Gun, for 3 oz. Cartridges, 12 in. Flexible Extension, 4 in. Rigid Extension - L1305 Sometimes, you need a portable, easy to use grease gun that fits into small places. The good news is that there are miniature grease guns on the market. We’ve chosen the WorkForce to be part of this list. This gun can be operated manually or with battery power. There’s a 12 inch flexi hose, a 4 inch rigid hose, and it fits a 3 ounce cartridge. This one is great for experts, but also ideal for beginners to work on smaller projects.

9) Lincoln Lubrication 18 Volt Cordless Grease Gun

Lincoln Lubrication 1844 18 Volt Cordless Grease Gun with 2 Batteries Fast, hectic work environments need tools that are a fit for the jobs they do. This grease gun is part of the PowerLuber line of tools. IT comes with a heavy duty motor with high torque. That’s perfect for shops with high demand. This gun will last a long time without degrading performance. It also has an 18 volt battery that will last long enough to power through 10 grease cartridges. This one comes with a carrying case and has a 120 volt charging unit.

10) Tooluxe 61077L Grease Gun Lubrication Accessory Kit

Tooluxe 61077L Grease Gun and Lubrication Accessory Kit | Zerk Fittings | Multi-Function This isn’t a grease gun, but it is a worthy addition. This accessory kit comes with adaptors, flexi hose, injector needers, fittings, and other add-ons. It’s compatible with most grease gun types, and is something every shop owner or home mechanic should consider.

Features to Look For

Now that you’ve read the list of top ten grease guns, here are some features to consider:

Grease Delivery Mechanism

Grease guns deliver lubricant through a variety of mechanisms. There are air or pneumatic grease guns. These use the power of an air compressor to push out the lubricant. There are also electrical guns. These rely on electricity that is usually powered with a battery pack or cartridge. Finally there are manual guns. Here the lub is forced through with a trigger or plunger action.

Storage Case

Grease guns protect other items from wear and tear. It’s important to protect them as well. A gun that comes with a carrying case is likely to last longer as it won’t be exposed to shop grime and other elements.

Pounds Per Square Inch (PSI)

This is the amount of pressure with which the lubricant is forced out of the grease gun. Some jobs require a higher PSI others need a low PSI, often to avoid breaking seals. Before making a purchase, it’s important to know which PSI range is right for you.

Debris Filter

A debris filter traps any dirt or sediment that could otherwise travel through your grease gun. This debris can damage your gun. It can even get into the parts you are trying to lube. The filter traps this for you to protect your investment.

Cord or Cordless

Depending on the grease gun you select, yours may or may not have a cord attached. The corded units normally attach to an air compressor. These corded units have quite a bit of power, but there’s also some inconvenience involved. You’ll have to store and manage your hoses, and they can be a bit of a tripping hazard.

Frequently Asked Questions

Question: How do you load a grease gun?

Answer: This depends on the type of grease gun. Here are some of the methods used:

  • Loading a Reservoir Grease Gun: First, unscrew the head from the barrel. As you do this, keep the handle depressed. Once this is done, dip the open end into the container of grease. Pull the plunger rod back and allow the suction to fill the reservoir. Once finished, pull the barrel out of the grease container. Turn the barrel and wipe off any excess grease. Finally, reattach the head. The exact mechanism used to attach and detach the head can vary from gun to gun. One of the best things to do with these guns is to have a large container of grease on hand for loading and unloading.
  • Loading a Cartridge Grease Guns: These units are a bit cleaner to load and reload. That’s because all of the grease is inside of the cartridge. When you need more grease, you simply purchase another cartridge. Reloading usually involves unscrewing the cap, twisting the cartridge one way, and turning the dispenser the other way. Move the piston rod over, and you should be able to remove the cartridge. Again, the exact method depends on your grease gun, and the instructions that are provided with it. Next, you can add a new cartridge. It’s easy to find them at hardware stores or auto parts stores. Take the cartridge and push it firmly into place. Finally reattach the head to the barrel.

 

Question: What kind of lubricant should I use?

Answer: You always want to choose a high quality lubricant. You don’t want a cheap lube that will clog the gun and cause buildup. In addition to this, if you use multiple lubricants, have a separate grease gun for each of these. The reason for this is cross contamination. Different machinery and equipment requires different lubrication for a reason. For example, one lubricant may be suitable for high temperatures while another is not. You don’t want to compromise that by using a lubricant that has been contaminated with an unsuitable one. If you must use one gun with multiple lubricants, purge and clean your gun after each use.

As long as you choose a quality lubricant, brand really doesn’t matter. What does matter is that you keep your gun in good repair, and you calibrate it annually. To do this, simply pump your grease gun ten times while allowing the grease to fall onto a scale. Weigh the grease. Divide that weight by ten. Now you know the approximate volume of grease that is expelled with one pump. Keep a record of this. It’s important, because certain pieces of equipment require a very exact amount of lubricant. Technicians need to know how many ‘pumps’ to use.

 

Question: How can you tell if you’ve too much or too little grease?

Answer: It’s important to use the right amount of grease. While some machinery has a fairly liberal tolerance, others need a very specific amount. Both over or under-greasing can cause damage, if not immediately then over time.

You know that you are overgreasing if there are jams, damage to seals, and issues with motor windings. To prevent this, make sure anything you are lubricating is clean, and that any debris or crust has been removed. As you apply the lubricant, pull back if you feel pressure. You can also use a grease gun with a pressure gauge. Sometimes, gradually pumping grease in is better than continuously feeding it through. The pumping gives time for the lubricant to distribute properly.

Unfortunately, if you under-grease something it will often break down. That makes the issue easy to detect. Fortunately, if you are observant, you may be able to catch the issue before something catastrophic happens. Look for overheating, burning or friction smells, unusual wear and tear. In the event that something has been running without proper lubrication, have a mechanic look at it. Don’t simply pump in more lubricant.

 

Question: What does a coupler do?

Answer: A coupler is a pipe that lets the user attach the gun to a mechanical component. It is used to lubricate moving parts.

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