When the bearings fail, most car owners blame it on the quality of grease, but the experienced drivers can assert that the way you carry out lubrication can also cause breakage of your vehicle’s moving parts. A grease gun is a tool used to supply lubrication to different car parts (bearings, valves, transmission parts, etc.), which is used by both car owners and professional mechanics. The best grease gun is one of the most convenient, quick, and precise kinds of equipment used to eliminate dry friction.
Actually, all grease guns have approximately the same working principle: the pressure is pumped in the cylinder due to the reciprocating action and the lubricant is squeezed out through the rod by a piston. When high pressure is reached on the nozzle, a lubricant enters the hose via an open valve.
So, if you need a tool that is able to reach car parts that are subjected to significant loads and prone to quick wear, you definitely should think about buying a grease gun. However, the choice of the right tool can be confusing because the modern market offers a great variety of different types and models of the grease guns. With our help, you can get the best mini grease gun for convenient home use or large, heavy, and powerful model for your workshop. So first, let’s take a look at their types so you could found out which one of them is suitable for you.
The manual grease guns include lever, screw-type, push-type, suction, and pistol-grip models. Such tools are designed for both professional and home use. They are very popular because they are budget and safe in use.
Such grease guns are powered via a cord or by a rechargeable battery. Thanks to that, they are more convenient in use as you don’t have to put much pressure manually.
These grease guns use compressed air. It’s more suitable for commercial use as it’s difficult in usage and can be dangerous for a non-professional. However, it’s powerful enough to be used with very thick greases at low temperatures.
Now, as you are familiar with the grease gun types, we offer you to read about our top picks so you will be able to find your perfect option among these ones. Plus, our buyer’s guide is here to help you with the proper grease gun exploitation.
Grease Gun Reviews
This cordless grease gun from DEWALT works with the help of a battery (4.0 Ah) which is capable of running up to 16 cartridges on a single charge. Its motor provides up to 10,000 PSI of pressure. Additionally, its high-volume pump pushes up to 5.0 oz per minute. The pump also has a screen cover which prevents it from dirt accumulation that can clog the pump mechanism.
The DCGG571M1 can potentially be the best grease gun for dark and hard-to-reach places. It has a large (42 inches), durable, and flexible hose which allows reaching the most distant and inaccessible places. However, with 20.6 x 9.9 x 4.8 inches of size dimensions, the product is not really compact.
Thanks to the on-board LED light, you will be capable of working with those car parts that are located in poorly lit areas. It also has an air-bleeder valve which helps with pump priming after a cartridge change.
- The DCGG571M1has integrated no-mar foot design that allows putting the tool on flat surfaces.
- It goes with a shoulder strap.
- This electric grease gun features a variable speed trigger.
- Battery and charger aren’t included in the package, so you will have to buy them separately.
- Weighing 8 pounds, it’s a bit heavy.
The Alemite 555-E is suitable for both workshops and home use and is universal for most kinds of vehicles. It goes with a flexible 18-inch hose. It also has a heavy-duty spring which always keeps the gun primed.
Being supplied with a dual mode, it allows choosing between the high-volume output or high-pressure delivery. Its spacious cylinder has a capacity of 16 oz.
This tool provides grease at pressure up to 7,500 PSI which is quite a lot for a manual model. To solve the issue with excessive pressure, the manufacturer managed to supply the Alemite 555-E with a bleeder valve.
Weighing 3.8 pounds and having 18 x 7 x 4 inches of size dimensions, it’s one of the most portable models among hand-powered grease guns. However, the rate of 1 oz per 30 strokes is still impressive for such a portable model.
- You can load grease by bulk loading or by inserting a grease cartridge.
- It has a sturdy design and ergonomic rugged cast handle.
- The kit includes an adjustable coupler.
- The extension hose is made of cheap material and can quickly become broken.
This model from LockNLube belongs to a high-end segment. It features a quick-release coupler and a thumb lever. The tool has 8,000 PSI of maximum operating pressure. Its head is made of lightweight but durable cast aluminum. It also has a large and ergonomic grip. The included hose has 20 inches of length and has an in-line swivel to insure better reach. It delivers 1 oz of grease in 37 strokes.
The oversized locking notch makes the loading of a grease gun faster. Besides, both cartridge and suction loading options are available.
It comes with a handle clip which prevents accidental pumping of the gun and Loop & Lock for convenient storage and carrying. With 17 x 8 x 3 inches of size dimensions and 3.6 pounds of weight, this grease gun from LockNLube is lightweight and ergonomic.
- The package includes the bleeder valve which minimizes air pockets and is useful for priming.
- The replacement seal kit increases the lifespan of the tool.
- The top locks on tight enough to not let the grease leak out around the fitting.
- Mostly suitable for commercial use.
- The locking tip is too big for some hard to reach places.
This grease gun from STEINBRÜCKE has an O-ring sealed piston design which minimizes the risk of grease leakings even if high pressure is applied. Its head is made of solid metal and the canister is designed of cold drawn steel which ensures the device’s durability. The grip is made of anti-slip rubber to provide higher gripping friction.
The device features an 18-inch flexible hose reinforced with a spring guard which reaches to the far car parts. It also features a convenient sharp type nozzle. The air bleeding valve does its job in eliminating the air pockets well.
It has 15 x 5.5 x 3 inches of size dimensions and 3.6 pounds of weight, so it’s a handheld model. With 6000 PSI of maximum working pressure, this device can be great for those who looking for a portable yet powerful device.
The tool works with 14 oz grease cartridges and bulk grease.
- The grease comes out smoothly with each handle push.
- Suitable for marine use and agricultural equipment.
- The coupler is hard to remove from the zerk fitting.
- Not convenient for one-hand operation.
This model from Milwaukee is designed for those who are searching for a premium-quality tool with powerful characteristics. It’s capable of delivering an impressive 10,000 PSI of pressure. It also has an extra-long a 48-inch flexible hose with spring guard. The device features a 2-speed design.
This battery powered grease gun is supplied with a lock on/off trigger which provides increased convenience for the user. The air bleeder valve works great as a priming mechanism for quick flow. It also features a grease counter which allows dispensing a precise amount of grease. The device has a maximum flow rate of up to 10 oz per minute.
The Milwaukee 2646-22CT M18 goes with a battery which can run up to 10 grease cartridges on one charge. It also goes with a charger, carrying case, and a shoulder strap.
Note that it’s quite a bulky tool with 4.9 x 24.5 x 13 inches in size. Weighing 18.1 pounds, it’s also extremely heavy.
- This Milwaukee grease gun features an on-board LED light.
- The rod has markings which allow gauging how much grease is left in the barrel.
- The battery that goes in the kit is not of great quality. You may have to buy a new one.
This model from Lincoln goes with a variable-speed trigger so you get a customizable flow control. It also provides the opportunity to control the amount of grease you want to apply to a particular area. Besides, this tool is fully automatic so you won’t have to put a physical strength.
The Lincoln grease gun provides 6000 PSI of maximum pressure and features a 30-inch hose which is flexible enough to reach narrow fittings. The tool is also supplied with an anti-jam mechanism which is aimed to prevent accidental plunger bendings.
It’s not very bulky having 8.2 x 2.8 x 18 inches, but a little bit heavy with 5.6 pounds of weight.
- The advanced pump design (the cartridge holding chambers are parallel) eliminates any issues with priming.
- The Lincoln 1162 goes with coupler, a gun holder, and an attachment clip.
- It has a rubber handle for a comfortable grip.
- The device isn’t protected from accidental grease seepings.
This model from REXBETI is a heavy duty grease gun with a solid design as its barrel is made of steel to ensure that the gun will serve for a long time. The handle is made of thick rubber to prevent slippering. Its heavy-duty spring is more powerful than the average springs are, so you won’t face issues with hose blocked by grease. The advanced valve design easily releases the air of the tube.
The tool is supplied with an 18-inch hose giving quite an average 6000 PSI of pressure.
Weighing 3.09 pounds, the device is among the lightest ones on our list. With 16.1 x 6.2 x 2.8 inches is size dimensions, it’s also not very big.
- The tool features an unbendable plunger.
- It has an easy to release nozzle.
- The reinforced coupler prevents leaking problems.
- The manual is absent.
Instructions on How to Load a Grease Gun
Before you begin loading a grease gun, check if the grease you are going to use fits your tool. In case it is too thick or too liquid, your grease gun can break or simply won’t work. You also shouldn’t blend two types of grease together as they never mix well so you will only waste the grease and break your tool.
The grease gun loading isn’t a hard process even if you have never done this before. However, it’s very important to strictly follow the instructions if you want the process to be quick and trouble-free. Follow our step-by-step manual to load your grease gun.
- Detach the cartridge. The grease gun has a two-part construction: the first part includes a cartridge with grease, and the second one includes barrel and cap with a nozzle. Detach the cartridge by unscrewing the cap. Do it clockwise while rotating the barrel in the opposite direction. You may need to put some physical strength into it.
- Remove the metal rod. It’s used to exert pressure on the cartridge, forcing the lubricant to come out. The metal rod can be found in the grease gun center, where the cartridge is located. Pull it until it comes out completely. Once the rod is extended, it should be firmly fixed.
- Remove the cartridge. Commonly, the construction of most grease guns is designed in such a way that in order to get the cartridge, the rod must be moved to the side. You will no longer need the removed cartridge, so you can safely discard it.
- Prepare the new cartridge for installation. Remove the grease residue left from the old cartridge by wiping the barrel with a dry cloth or rag. Remove the cap from the new cartridge. Note that if the cartridge has been stored upside down, the grease will accumulate on the right side. If it has been stored in the standard position, shake it several times before installation in order to make the grease settle in the right direction.
- Install a new cartridge. That part of the cartridge that had a cap on it must be located in the front. The end of the cartridge with the seal must fully coincide with the end of the barrel.
- Assemble the grease gun back. Unblock the rod and press it to the barrel. At the same time, you need to press the handle of the nozzle to get rid of air in the barrel. Stop pressing immediately after the grease appears from the nozzle. Attach the barrel and the head by rotating them in the opposite directions. Remember not to screw too tight, it will cause a pressure drop in the grease gun, making it impossible to use.
Make sure that the grease is delivered by pumping the handle.
Guide on How to Use a Grease Gun
When using a grease gun, you shouldn’t forget about safety measures:
- Don’t apply lubricants to a running vehicle.
- You should always maintain proper footing and balance to make it easier to control your grease gun in unexpected situations.
- It’s better not to let the lubricant get on your skin, especially if you have any wounds because all lubricants have a certain level of toxicity. Wash your hands after you finish working with a grease gun.
- Check the hose before each use. If it’s damaged or worn out, it may rupture causing fingers or hands injury.
- The pneumatic and electric grease guns can create extreme pressure that is insensible to the user. Therefore, be careful when working with this kind of tools.
- The electric grease guns require following special safety measures: turn the gun off before inserting the battery, keep the tool away from water and any metal objects.
- Make sure to read the instructions provided by the manufacturer of the grease gun you own.
To start using the tool, place the grease gun coupler directly on the area to be greased and press the handle several times at that moment when you need the grease to begin flowing. The harder you push the handle, the more powerful jet of lubricant fluid you will get. Note that the hand-powered grease guns will make you put some effort, but the electric tools and tools that use an air compressor provide an increased working pressure and feed rate, so be careful.
Don’t neglect cleaning the grease gun after each use. Having dried grease inside, it will start causing troubles and become unusable over time (or at least difficult to use).
Pros of Using a Grease Gun
Of course, the quality of lubricant is important, but the improper tool for lubrication can also cause some issues. That is why you should be attentive when choosing the one. There are a bunch of reasons why the grease guns are considered to be one of the most effective and reliable tools for lubrication:
- Accuracy of application. Thanks to its long and flexible tube, the grease gun is especially convenient to accurately lubricate hard-to-reach areas. Plus, some models allow changing different kinds of nozzles to carry out various types of lubrication.
- Convenience. If you don’t like bulky garage tools, you can get a grease gun with 3 oz cylinder capacity which is perfectly small for one-handed operation.
- Grease waste prevention. The grease guns supplied with the flow meter allow controlling the amount of grease being used. This helps avoid damage to the bearings due to excessive or insufficient lubrication. So, thanks to the ability to measure the adequate amount of lubricant, it prevents grease spills and wastes.
- Cost-efficiency. In relation to preventing spills and wastes, the grease gun will help you save some money on buying grease, oils, and lubes.
- Longevity. Based on actual users, the grease guns have durable built and structure that is enough to last for more than a decade.
- Reliable lubrication. Since the grease gun delivers lubricant under pressure, all car parts will be lubricated as well as possible.