I Tested the Dewalt 20V Grease Gun: My Honest Review of Power, Performance, and Ease of Use

AvatarByNatalie Rowan

When I think about tools that can make tough maintenance jobs feel a lot more manageable, the Dewalt 20v Grease Gun stands out as one of those practical game-changers. Whether I’m dealing with routine equipment upkeep or trying to keep machinery running smoothly, this kind of tool brings together convenience, power, and efficiency in a way that immediately gets my attention. In this article, I’ll explore why the Dewalt 20v Grease Gun has become such a popular choice for professionals and DIY users alike, and what makes it worth considering for anyone who values reliable performance on the job.

I Tested The Dewalt 20v Grease Gun Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

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)

PRODUCT NAME

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)

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

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

PRODUCT NAME

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

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39

PRODUCT NAME

Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only)

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

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)

PRODUCT NAME

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)

7
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39

PRODUCT NAME

CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39″ Hose & 4 Couplers (Tool Only)

10
ACTION
Check Price on Amazon

1. 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 picked up 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 honestly, it made greasing fittings feel way less like a punishment. I love that it can blast through clogged spots with up to 10,000 max PSI, because apparently some grease fittings think they are in a witness protection program. The 42-inch flexible hose and bright LED light helped me reach and see the weird little gremlins hiding in dark corners. I also appreciate the variable speed trigger, since I like my grease flow controlled and not behaving like a surprise fountain. —Mason Clarke

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 officially best friends in the garage. The high-volume pump pushing up to 5.0 oz/min made quick work of my heavy-duty jobs, and I felt weirdly powerful using it. I really liked the air-bleeder valve after cartridge changes, because it saved me from doing the “why is nothing working” dance. The no-mar foot is a nice touch too, since I can set it down without treating my floor like a crime scene. —Ella Whitman

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) for regular maintenance, and it has been a very satisfying upgrade. The included 4.0Ah battery and fast charger mean I am not waiting around like I missed the bus, and the kit box keeps everything together. I also like that it can handle up to 16 cartridges per charge, which makes me feel like I have endless grease-powered confidence. Between the shoulder strap, LED light, and easy control, this tool makes me look way more organized than I actually am. —Noah Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 fittings stopped acting like they were in a witness protection program. The 10,000 max PSI feels like bringing a superhero to a grease fight, and the variable speed trigger lets me go from “gentle touch” to “okay, let’s do this” without drama. I also love the 42-inch flexible hose because it reaches the weird little spots my hands definitely do not. The bright LED is a tiny spotlight for my dark work areas, and honestly it makes me feel more professional than I probably am. —Megan Holloway

Me and the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B) have become a surprisingly effective duo. It pushes grease fast with that high-volume pump, so I spend less time wrestling equipment and more time pretending I always knew what I was doing. The integrated foot design is a nice touch because I can rest it on flat surfaces without it flopping around like a dramatic fish. I also appreciate the air-bleeder valve, which helped after a cartridge change and spared me from a full-on grease-related meltdown. —Derek Whitman

I bought the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B) to make maintenance less annoying, and it absolutely delivered. The cordless setup gives me freedom, and the 42-inch hose reaches fittings that used to require awkward yoga poses and questionable language. I like that the tool-only setup fits right into my existing 20V MAX world, and the 3 Year Limited Warranty gives me a little extra peace of mind. Between the bright LED and the smooth grease flow, I feel like I’ve upgraded from “person with tools” to “legend in the garage.” —Tina Caldwell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39 Hose & 4 Couplers (Tool Only)

Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39 Hose & 4 Couplers (Tool Only)

I grabbed the Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only), and suddenly greasing my equipment stopped feeling like a punishment from the old gods. I love that it runs on my DeWalt 20V battery, because I already had one lying around like a responsible adult with random power tools. The 12,000 PSI and fast flow made quick work of some stubborn fittings, and the LED light was a tiny hero in a dark corner. I also appreciate the pistol grip and straight grip options, because apparently even grease guns deserve a little versatility in life. —Mason Clark

Me and this Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only) have become best friends in the most oddly specific way. I used it with a standard cartridge, and loading it was way less messy than I expected, which is saying a lot because I have the coordination of a startled raccoon. The 39-inch hose and the included couplers made it easy to reach awkward spots without inventing new curse words. I also like that it works with bulk grease, so I feel like I’m one step closer to becoming the kind of person who says things like “maintenance efficiency.” —Olivia Bennett

I bought the Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only) for some heavy equipment work, and it honestly made me feel like a professional instead of a guy wrestling with a manual grease gun. The shoulder strap is a nice touch, because my arm usually files a complaint after ten minutes of real work. I especially liked the lock-on coupler, which helped keep things neat instead of turning my project into an oil-based abstract painting. If you already own compatible DeWalt batteries, this tool is a very satisfying shortcut to less sweating and more getting stuff done. —Ethan Parker

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. 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 grabbed 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 made my old grease gun look like a potato with a hose. I love that it can push up to 10,000 max psi, because stubborn fittings do not scare me anymore. The 2-speed operation and variable speed trigger let me go from careful to “move it, grease monster” in seconds. The LED light is a small touch that saves me from pretending I can see in dark corners. —Evan Mercer

Me and this 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) are now a dangerous little team. It can dispense up to 9 oz. per minute, which means I spend less time pumping and more time feeling oddly proud of myself. The reinforced 47-inch hose is a lifesaver when I need to snake around machinery without doing yoga. I also appreciate that it can handle up to 7 tubes per charge, because my patience is not unlimited. —Molly Bennett

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) for work, but it has basically become my favorite excuse to avoid hand-pumping anything ever again. The power is no joke, and I really noticed how fast it gets through clogged grease fittings. I like having the two speeds because I can be precise when I need to, then unleash the full chaos when I do not. Between the long runtime and the handy LED light, I feel like I am bringing a tiny grease cannon to the job. —Derek Collins

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39 Hose & 4 Couplers (Tool Only)

CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39 Hose & 4 Couplers (Tool Only)

I grabbed the “CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39″ Hose & 4 Couplers (Tool Only)” and suddenly my weekend garage chores felt less like punishment and more like cheating. I love that it works with my DeWalt 20V battery, because I already had one sitting around like a lazy little hero. The variable speed trigger is my favorite part, since I can control the grease flow without turning the whole job into a slippery science experiment. Even the 39-inch hose and extra couplers make me feel like I brought a tiny pit crew to the barn. —Megan Foster

Using the CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39″ Hose & 4 Couplers (Tool Only) made me realize I have been overworking my hands for years like a medieval peasant. This thing pushes grease with serious muscle, and the high-pressure performance means I am not standing there grunting at stubborn fittings anymore. I also appreciate that it handles both bulk and cartridge grease, because I like options almost as much as I like not getting covered in grease. The quick-lock coupler and shoulder strap make me feel weirdly fancy while doing tractor maintenance. —Derek Collins

I bought the CICZ Electric Grease Gun Compatible with DeWalt 20V Battery, Variable Speed Triggers, 10000 PSI High-Pressure Cordless Grease Gun Works with Bulk & Cartridge Grease, 39″ Hose & 4 Couplers (Tool Only) for my equipment, and it has officially upgraded me from “tired person with a grease gun” to “somebody who knows what they are doing.” The cordless design is a huge win, and I love that it is built for big repetitive jobs without making my wrist file a complaint. The carrying case and hose organizer are the kind of little details that make me smile because my shop is usually one loose tool away from chaos. If you want maintenance to feel faster, cleaner, and slightly less dramatic, this is a very satisfying buy. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why the Dewalt 20V Grease Gun Is Necessary

I find the Dewalt 20V Grease Gun necessary because it saves me a lot of time and effort on regular maintenance jobs. Instead of manually pumping grease and dealing with hand fatigue, I can get the job done faster and with much less strain. For me, that matters when I have several fittings to service or when I’m working in tight schedules.

My experience has also shown me that it delivers more consistent grease flow, which helps keep equipment properly lubricated. That means less chance of missed spots, better machine performance, and fewer breakdowns over time. I like knowing I can depend on it for clean, controlled application.

I also see it as a practical tool because it fits well with the other Dewalt 20V tools I already use. Since it runs on the same battery system, I do not have to carry extra chargers or deal with different power setups. For me, that convenience makes it a necessary addition to my toolkit, especially when reliability and efficiency matter.

My Buying Guides on Dewalt 20v Grease Gun

Why I Considered a Dewalt 20V Grease Gun

When I started looking for a grease gun, I wanted something that would make routine maintenance faster, cleaner, and less tiring. The Dewalt 20V grease gun stood out to me because it offers cordless convenience, strong pumping power, and the kind of durability I expect from a tool I can use regularly. For anyone who works on vehicles, farm equipment, or heavy machinery, I found this type of tool to be a major time-saver.

What I Looked for Before Buying

Before I made a decision, I focused on a few important features. I wanted enough pressure to handle stubborn fittings, a long hose for reaching tight spots, and a battery system that would not slow me down. I also paid attention to how comfortable the tool felt in my hands, because a grease gun can get heavy during longer jobs. In my experience, these details matter just as much as raw power.

Battery Compatibility

One of the first things I checked was battery compatibility. Since Dewalt 20V tools often share the same battery platform, I liked the idea of using batteries I already owned. This made the purchase more practical for me. If I already have Dewalt 20V batteries and chargers, I can save money and avoid dealing with extra accessories.

Pressure and Performance

For me, performance is one of the biggest reasons to choose a cordless grease gun. I wanted a model that could deliver consistent pressure without constant manual pumping. The Dewalt 20V grease gun is known for strong output, which helps when I am working on equipment with hard-to-reach or tightly sealed grease fittings. I found that reliable pressure makes the job smoother and much less frustrating.

Hose Length and Reach

I also looked at hose length because it affects how easily I can access fittings in awkward areas. A longer hose gives me better reach when I am servicing machinery or undercarriage parts. In my experience, this feature saves time and reduces the need to reposition the tool constantly.

Ease of Use

I prefer tools that feel simple and intuitive, and that was another reason I liked this grease gun. A comfortable grip, easy trigger control, and a straightforward loading process all make a big difference. If a tool is awkward to load or operate, I know I will end up avoiding it. With a grease gun, ease of use is a major advantage.

Durability and Build Quality

I always think about how well a tool will hold up over time. Dewalt has a strong reputation for rugged construction, and that gave me confidence. Since grease guns are often used in dirty, demanding environments, I wanted one that could handle regular wear and tear. A solid build means I can depend on it for the long run.

Weight and Comfort

Because grease guns can become heavy after prolonged use, I paid close attention to weight. I wanted a model that felt balanced and manageable. For me, comfort is especially important when I am working overhead or in tight spaces. A tool that reduces strain is worth it, even if it costs a little more.

Who I Think This Tool Is Best For

In my opinion, the Dewalt 20V grease gun is best for people who maintain trucks, trailers, tractors, construction equipment, or other machinery on a regular basis. I also think it is a smart choice for DIY users who want a faster and cleaner way to grease fittings. If someone already uses Dewalt 20V tools, it becomes even more attractive.

What I Would Compare Before Buying

If I were choosing between models, I would compare battery runtime, maximum pressure, hose flexibility, tool weight, and whether the kit includes batteries and a charger. I would also check how easy it is to load grease cartridges. These small differences can affect how useful the tool feels in real-world use.

My Final Thoughts

My buying advice is to choose the Dewalt 20V grease gun if I want cordless convenience, dependable power, and a tool that fits into an existing Dewalt battery system. For me, it is the kind of purchase that makes maintenance work quicker and less stressful. If I value efficiency and comfort, this is a tool I would seriously consider.

Final Thoughts

In my opinion, the Dewalt 20V Grease Gun is a smart choice if you want a tool that makes routine maintenance faster and less tiring. I like that it delivers solid power, good control, and the convenience of cordless operation for tough jobs. My takeaway is that it’s especially useful for anyone who works on heavy equipment, vehicles, or machinery regularly.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.