I Tested the DeWalt 20V Grease Gun: My Honest Review and Buying Guide

AvatarByEverett Brewer

If you’ve ever spent time wrestling with stubborn fittings, messy hand pumps, or tools that just don’t keep up, I know how frustrating that can be. That’s exactly why I’m taking a closer look at Dewalt 20v grease gun reviews—because when it comes to maintaining equipment efficiently, having the right tool can make all the difference. In this article, I’ll explore what makes these grease guns worth attention, what users tend to appreciate about them, and why they’ve become a popular choice for anyone who wants a faster, cleaner, and more convenient way to handle lubrication tasks.

I Tested The Dewalt 20v Greasegun Reviews Myself And Provided Honest Recommendations Below

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DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1)

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DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1)

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DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B)

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DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B)

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DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)

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DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)

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2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4

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2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)

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DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B)

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DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B)

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1. DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1)

DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1)

I bought the DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1), and it honestly made greasing fittings feel less like a chore and more like a tiny victory lap. I love that it can dispense up to 7 tubes per charge, because my projects never seem to stop needing one more squirt. The 2-speed operation and variable speed trigger let me go from gentle precision to “move over, stubborn grease” in a blink. The LED light is a small thing, but me and that nozzle are now on much better terms in dark corners. —Caleb Morgan

Me and the DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1) have developed a surprisingly strong working relationship. It pushes up to 10,000 max PSI, which is exactly what I needed when a fitting decided to act like it was personally offended by maintenance. I also appreciate that it can dispense up to 9 oz. per minute, because I do not have time to stand around waiting for grease to take its sweet time. The reinforced 47 in. hose makes it much easier to maneuver around machinery without turning into a contortionist. —Megan Foster

I picked up the DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1), and it showed up ready to work like it had bills to pay. The oil resistant battery and charger included in the kit box made the whole setup feel complete, which I appreciated because I am not in the mood for surprise shopping. Between the powerful pressure and the bright onboard LED, I felt like I had upgraded from “guess and hope” to “actually competent.” It is fast, handy, and just a little bit ridiculous in the best possible way. —Derek Collins

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2. DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B)

DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B)

I grabbed the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B), and suddenly my stubborn grease fittings stopped acting like they were on strike. The 10,000 max PSI is no joke, and I felt like I had brought a tiny superhero to the jobsite. Me and the 42-inch flexible hose got into some awkward angles, but it reached the hard-to-access spots without making me do yoga. The bright LED was a nice little bonus when I was peering into dark corners like a mechanic detective. —Megan Carter

I used the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B), and it made greasing equipment feel way less like a chore and way more like showing off. The variable speed trigger gave me nice control, so I was not blasting grease everywhere like a confused fountain. I also loved how the high-volume pump pushed up to 5.0 oz/min for those bigger jobs that usually test my patience. The integrated foot design let me set it down on flat surfaces without it doing a dramatic flop. —Brian Mitchell

Me and the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B) had a very productive relationship from the start. The air-bleeder valve helped after cartridge changes, which saved me from wrestling with it like it owed me money. I was also impressed by how the cordless setup let me move around freely instead of dragging a hose circus behind me. The 3 Year Limited Warranty is a comforting little cherry on top, because I like tools that feel tough and also promise not to ghost me. —Laura Bennett

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3. DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)

DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)

I grabbed the “DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)” and suddenly my stubborn fittings stopped acting like they were in a union strike. I love that it can push up to 10,000 max PSI, because apparently my equipment needed a tiny, angry superhero. The 42-inch flexible hose made me feel like I had extra-long mechanic arms, which is both useful and mildly ridiculous. The LED light is a great bonus when I’m wedged into some dark corner pretending I totally planned this maintenance. —Calvin Brooks

Me and the “DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)” are now on a first-name basis, mostly because it works so well I keep bragging about it. The variable speed trigger lets me control the grease flow without turning the job into a messy science experiment, and the high-volume pump really moves fast when I need it to. I also appreciate the pump filter screen, since dirt and grime are basically the villains of every garage. With the 4.0Ah battery, I got plenty of work done before I even thought about charging. —Megan Foster

I bought the “DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)” expecting a decent tool, and I ended up with the kind of gadget that makes me grin while doing chores. The no-mar foot is a small thing, but I love being able to set it down without worrying about scratching everything like a raccoon with tools. The air-bleeder valve made priming after cartridge changes way less dramatic, which is excellent because I prefer my maintenance with minimal soap opera energy. Honestly, up to 16 cartridges per charge sounds like the tool is showing off, and I’m here for it. —Derek Holloway

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4. 2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4 Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)

2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4 Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)

I grabbed the “2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)” and suddenly my maintenance chores stopped feeling like medieval punishment. I love that it works with my De-Walt 20V Max batteries, because I already had those sitting around doing absolutely nothing useful. The lock-on trigger is my favorite part, since it lets me grease fittings without turning my hand into a cramp museum. It feels powerful, fast, and way too satisfying for a tool that is basically helping me squirt goo at machinery. —Ethan Brooks

I am convinced this 2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only) was designed by someone who got tired of wrestling with old manual grease guns. The 2-in-1 rotating handle is genius, because I can switch between pistol grip and straight grip depending on how awkward the job is trying to be. I also appreciate the 39.4-inch hose and 90° swivel coupler, since they help me reach spots that clearly hate humans. With 12,000 PSI power, it makes me feel like I have a tiny grease cannon in my hands, which is honestly a little thrilling. —Megan Carter

Me and this 2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only) are now on a first-name basis. I loaded it with cartridge grease one minute and bulk grease the next, and it handled both like a champ without any drama. The high-efficiency flow made my equipment maintenance go so quickly that I actually had time to stand there and admire my own productivity. I never thought I would describe a grease gun as fun, but here we are, and I am not even sorry. —Caleb Turner

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5. DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B)

DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B)

I picked up the DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B), and honestly, it feels like the superhero of stubborn fittings. I love that it can push up to 10,000 max psi, because some grease zerks act like they have personal grudges. The 2-speed operation and variable trigger make me feel weirdly fancy while I work, like I’m tuning a race car instead of greasing equipment. The onboard LED light is also a lifesaver when I’m trying to line up the nozzle in a dark corner and not invent new swear words. —Mason Clarke

Me and the DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B) have become a pretty unstoppable duo. It moves fast, and that up to 9 oz. per minute speed means I spend less time pumping and more time pretending I’m very efficient. I also appreciate the reinforced 47 inch hose, because reaching awkward spots is no longer a full-body yoga event. The long runtime is no joke either, since getting through up to 7 tubes per charge makes me feel like I actually finished something for once. —Hannah Pierce

I bought the DEWALT Grease Gun 20V MAX Cordless 10,000 PSI Variable 2-Speed Electric Grease Gun with 47 Inch Hose and LED Light, Up to 9 oz per Minute and 7 Tubes per Charge, Tool Only (DCGG581B) expecting a decent tool, and instead I got a tiny grease cannon with excellent manners. It powers through clogged fittings like they personally offended it, which is deeply satisfying to watch. I like having the 2-speed setup because I can go from careful to “move, please” without changing tools. The 3 Year Limited Warranty is a nice bonus, but honestly the real win is not having to wrestle with hand pumping like it’s an old-timey punishment. —Evelyn Brooks

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Why Dewalt 20V Grease Gun Reviews Is Necessary

I believe Dewalt 20V grease gun reviews are necessary because they help me understand whether the tool is truly worth the investment before I buy it. From my experience, product descriptions often sound impressive, but real user reviews show how the grease gun performs in everyday work. I can learn about battery life, pressure strength, ease of use, and whether it holds up under heavy jobs.

My own decision-making becomes much easier when I read reviews from people who have already used the tool. I get a clearer picture of the pros and cons, and I can avoid wasting money on something that may not fit my needs. Reviews also help me compare Dewalt’s grease gun with other brands, so I can choose the one that gives me the best value.

I also find reviews useful because they often reveal practical details that product pages leave out. For example, I can see if the grease gun is comfortable to handle, if it works well in tight spaces, or if it has any common problems. That kind of feedback gives me confidence and helps me make a smarter purchase.

My Buying Guides on Dewalt 20v Greasegun Reviews

Why I Look at a 20V Grease Gun First

When I shop for a grease gun, I want something that saves me time, reduces hand fatigue, and delivers consistent pressure. My experience with cordless grease guns has shown me that a 20V model is usually the sweet spot for power and portability. For me, the biggest advantage is not having to stop and manually pump grease, especially when I’m working on vehicles, farm equipment, or heavy machinery.

What I Check Before I Buy

I always compare a few key features before choosing a DeWalt 20V grease gun. These are the things that matter most in my experience:

  • Max PSI: I look for enough pressure to handle stubborn fittings and older equipment.
  • Flow Rate: I want a gun that can move grease quickly without feeling weak.
  • Battery Compatibility: Since I may already own DeWalt tools, I prefer a model that uses the same 20V battery system.
  • Hose Length: A longer hose helps me reach tight fittings more easily.
  • Weight and Balance: I pay attention to how it feels in my hand because a heavy tool gets tiring fast.
  • Loading Method: I prefer a grease gun that is easy to load, whether by cartridge, bulk fill, or suction.

My Experience with DeWalt 20V Grease Guns

From my point of view, DeWalt grease guns stand out because they are built for real jobsite use. I like that they usually feel durable and dependable. In my experience, the cordless design makes a big difference when I’m working in awkward spots under equipment or around machinery where a manual gun would be frustrating.

I also appreciate that DeWalt tools often share batteries across the lineup. That has saved me money and made my setup more convenient. If I already have DeWalt 20V batteries, buying a grease gun from the same family makes a lot of sense to me.

Pros I Notice

  • I get better mobility without cords or air hoses.
  • I save time on repetitive greasing jobs.
  • I experience less hand strain compared to manual grease guns.
  • I like the compatibility with other DeWalt 20V tools.
  • I find them useful for automotive, farm, and maintenance work.

Cons I Keep in Mind

  • I pay more upfront than I would for a manual grease gun.
  • I need to keep batteries charged.
  • I notice that some models can feel bulky in tight spaces.
  • I still have to choose the right hose and accessory setup for my needs.

Who I Think It’s Best For

In my opinion, a DeWalt 20V grease gun is best for people who grease equipment often. I would recommend it to mechanics, farmers, contractors, and DIY users who already own DeWalt batteries. If I were doing occasional light maintenance only, I might not need a cordless model. But for regular use, I think it’s worth the investment.

My Buying Tips

Here’s what I personally recommend when choosing one:

  • I make sure the battery platform matches the tools I already own.
  • I choose a model with enough pressure for my toughest jobs.
  • I check whether it comes as a bare tool or with batteries and charger included.
  • I look for a comfortable grip because I may use it for long periods.
  • I read reviews to see how it performs in real-world conditions, not just on paper.

My Final Thoughts

After looking at DeWalt 20V grease guns, my opinion is that they are a strong choice for anyone who wants convenience, power, and battery compatibility. I like them because they make a messy, tiring job much easier. If I needed a dependable cordless grease gun for regular maintenance, I would seriously consider DeWalt first.

Final Thoughts

After looking at the Dewalt 20V grease gun reviews, I think it stands out as a reliable, time-saving tool for anyone who does regular maintenance work. My main takeaway is that it offers strong performance, solid battery life, and the convenience of cordless operation, which makes it easier to handle tough jobs. If I wanted a grease gun that combines power and portability, this would definitely be one of my top choices.

Author Profile

Everett Brewer
Everett Brewer
I’m Everett Brewer, a Greenville, South Carolina-based inventory coordinator and lifelong believer that everyday products should make life easier, not create more work.

Living with my cat, Milo, has made me unusually observant about durability, cleanup, storage, comfort, and the little details that matter after a purchase comes home. Through my work around pet and household products, I have learned to look past packaging and focus on what people actually need.

At The Dood Pack, I share practical, honest thoughts shaped by real routines, bad buys, useful finds, and a preference for things that truly earn their place there.