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Best Grease Guns

Updated April 2018
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We purchase every product we review with our own funds — we never accept anything from product manufacturers.

  • 43 Models Considered
  • 34 Hours Researched
  • 3 Experts Interviewed
  • 56 Consumers Consulted
  • Zero products received from manufacturers.

    We purchase every product we review with our own funds — we never accept anything from product manufacturers.

    Shopping Guide for Best Grease Guns

    Last Updated April 2018

    Do you own a grease gun? If so, performing your own maintenance on that lawn mower may be easier than you think. The main purpose of a grease gun is to help you keep your vehicles and equipment running smoothly. Using a grease gun, you can deliver grease to any mechanical area where moving parts need to operate smoothly, without too much friction and heat.

    Perhaps you’re experienced at making repairs and ready to upgrade to an automatic grease gun. Or perhaps you’re looking to buy your first manual grease gun in an effort to lubricate your equipment. In either case, BestReviews is here to help.

    Read the shopping guide below to learn vital information about buying a grease gun. Then, slide on up to the top of this page to view our favorite grease guns – the ones we think would be the best use of your hard-earned money.

    While grease guns can be used in a wide variety of applications, the grease delivered must be specific to the needs of your vehicle or piece of equipment. To determine which grease you need, check your owner’s maintenance manual.

    Grease gun types

    There are two basic grease gun types: manual pump grease guns and automatic pump grease guns.

    Manual pump grease guns

    A manual pump grease releases grease when you squeeze it with your hand. It has a spring-loaded piston pump that, in most cases, pushes the grease from a pre-loaded cartridge through the nozzle.

    The manual pump sometimes has an extension hose to help you get into smaller spaces. Some manual pump grease guns can be refilled from bulk grease rather than cartridges.

    Most home use and automotive use needs can be addressed by a manual pump grease gun.

    Automatic pump grease guns

    Under the automatic pump grease gun umbrella, you’ll find both electric and pneumatic grease guns. These guns work by pulling a finger trigger. They’re quicker for applications in which you have a lot of points to grease.

    EXPERT TIP

    An automatic pump grease gun is ideal for industrial or agricultural equipment.


    Staff  | BestReviews

    Grease gun sizes

    The size of grease gun you need depends on what you are trying to grease. Smaller equipment, such as a lawn mower or tiller, will require very little grease compared to larger vehicles such as tractors, trailers, and trucks.

    Grease guns are sized according to what cartridge size you will need to buy for the gun. There are two standard sizes which cover most uses: grease guns with three-ounce cartridges and grease guns with 14-ounce cartridges.

    • Smaller grease guns have three-ounce cartridges. Designed to apply small amounts of grease at a time, these guns provide ample lubrication for lawn and boating equipment. Because they’re so small, you can easily store a three-ounce grease gun in a tool box or the glove compartment of your car.

    • Larger grease guns have 14-ounce cartridges. These guns are usually used for automobiles, farm equipment, pick-up trucks, and boat or RV trailers. They deliver grease in the amounts you need for ball joints, tie rod ends on steering systems, wheels for boat trailers, and universal joints on any vehicle.
    EXPERT TIP

    It is not recommended to mix different types or grades of grease. If you put one type of grease over another type of grease, it could degrade the grease that is already in the joint and damage the joint.


    Staff  | BestReviews

    Grease gun extensions

    Grease guns generally come with some kind of extension that attaches to the body of the grease gun. The extension is either a pipe or a hose.

    A grease gun will be easier to use if you have a longer extension hose or extension pipe, and that’s typically what you’ll get with a grease gun. However, if you have a tractor trailer, a farm tractor, or an RV fifth wheel, you may need an extended hose for tight places that are hard to reach.

    Automatic grease guns have much longer extensions than their manual counterparts. They will give you a couple of feet extension with the hose.

    EXPERT TIP

    It takes a little force at times to hold your grease gun on the grease zerk and apply the grease. Some grease guns come with hand grip springs to aid in holding it on to the grease zerk.


    Staff  | BestReviews

    pump actions

    Grease guns come with different types of pump action. Check the packaging to determine how much grease is delivered with each pump.

    • Long-handle manual grease guns can be more difficult to operate, requiring more arm action. However, they do allow you to push more grease per squirt.

    • Hand grip grease guns are easier to operate, but they tend to deliver less grease per pump. Your hand may get tired more quickly using a hand grip grease gun.

    • The pump piston in an automatic grease gun is operated by a finger trigger that runs either an electric motor or a pneumatic piston. In order to determine how much grease is delivered, you will need to check the packaging or the manual for your grease gun.
    DID YOU KNOW?

    When you operate an automatic grease gun, you can hear each pump cycle. You can count the number of cycles to determine how much grease you are delivering into the joint.

    Grease gun prices

    The range of prices on grease guns is wide because there are so many types from which to choose. Here are some of the features you will find at different price points.

    • Under $30: You’ll find entry-level grease guns with manual pumps at this price point. These guns likely deliver less grease per stroke, and you may find yourself doing a lot of pumping to adequately grease your joints. This inexpensive choice might be suitable for people who need to buy several grease guns in order to handle different types of grease.
    • $30 to $80: Grease guns in this price range will likely come with a longer extension hose or pipe. Some will offer continuous flow with pre-priming. You’ll also find some pneumatic grease guns here.
    • $80 to $200: If you want an automatic grease gun, you will need to consider spending a little more money. In this price range, you will find some good rechargeable battery-powered products. You may have the option to fill the gun with bulk grease rather than cartridges. These grease guns offer more power and are best in industrial and agricultural applications.

    Tips

    • If you decide to purchase a battery-powered grease gun, consider a package deal that comes with a charger and a carrying case. For some people, this is a real money-saver.

    • Evaluate your storage options before you buy a new grease gun. Cheaper grease guns have a tendency to leak, which can make storage difficult.

    • The built-in LED lights on some automatic grease guns are very handy for helping locate your grease zerk in tight spots.

    In home use, each grease gun should be dedicated to only one type of grease. If you need to use different types of grease for different applications, you should have several different grease guns, one for each type of grease.

    Faq

    Q. How do you know where you need to grease?
    A.
    The piece of equipment you own should have grease points explained in the maintenance manual. You may not need to grease all moving parts, as some come pre-greased and sealed.

    Q. What is a grease zerk?
    A.
    A grease zerk is a fitting that works like a valve. It screws on to the end of a joint on your vehicle or piece of equipment and allows you to hook your gun to the joint and pump grease into the right place. There is a ball in the middle of it that allows the grease to go in, but it does not allow the grease to come out through the same fitting.

    Q. How do you know when you’ve applied the right about of grease with your grease gun?
    A.
    There are two ways to know, and it depends on the joint you are greasing. Some maintenance manuals specify how many pumps you need to apply. If you do not have that information handy, you can also visually see if you have put enough grease into the joint, because the grease will start to come out of the joint when it is full.  

    The team that worked on this review
    • Alice
      Alice
      Web Producer
    • Eliza
      Eliza
      Production Manager
    • Jennifer
      Jennifer
      Writer
    • Melissa
      Melissa
      Senior Editor