The 8 best grease guns in 2021
Staff, courtesy of Milwaukee
A reliable grease gun is essential if you have any type of mechanical equipment that requires regular lubrication. These hand tools are designed to take a standard grease canister and inject its contents directly into the connections of your machine with a special coupling. They can be powered manually – by pumping a hand lever – or automatically by using rechargeable batteries or compressed air to distribute their grease. Although some use a rigid tube to route their grease, most use a flexible hose that allows the user to maneuver the coupling onto the fittings with one hand while holding the canister with the other.
What is to be considered
The most important question to ask yourself when purchasing a grease gun is what type of power source is best for you. Manual models – which require you to pump a handle or lever to create pressure – while needing some elbow grease, can also be more convenient than automatic pistols, especially if you only have to work on a few fittings. However, if you have a lot of lubrication to do, automatic guns that run on batteries or compressed air might be a better fit. Battery operated guns could be an especially convenient choice if you already own some tools of this particular brand. That way, you can use your existing batteries and buy a cheaper version of the gun that doesn’t have expensive batteries in it.
Likewise, you should think about the amount of fat that you will go through. While most grease guns use standard size grease cartridges, others, like the G. Gun Grease Gun, use bulk grease to fill their 2 gallon canister, making them more useful for anyone looking to process a lot of grease. Or, if you know you’re using low levels of fat, such as when working on your bike or chainsaw, a smaller, compact gun would be a lot more convenient.
Another factor to consider is the length of the hose that comes with your grease gun. Take the time to think about what exactly you will be using it for and if you can go out there and measure how long a hose would need to be to effectively access your connectors.
How we chose
I used a variety of grease guns during my time as part of a landscaping team at a large state park and used them frequently for the maintenance of large mowers, tractors, and other heavy equipment. I used that hands-on experience, in addition to online research and customer feedback, to compile this list of the best grease guns you can buy. I’ve done my best to quote a range of prices, styles, and sizes. Whether you have multiple machines that need frequent lubrication or a small mower that needs occasional maintenance, you should find an option here that is right for you.
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