This post may contain affiliate links which means I may receive a commission for purchases made through links. Learn more on my Private Policy page.
When it comes to tackling lubrication tasks efficiently and with minimal hassle,having the right grease gun can make all the difference.Recently, we had the chance to put the Milwaukee Bare-Tool Milwaukee 2446-20 M12 12-Volt Cordless Grease Gun to the test, and we’re excited to share our firsthand experience with this compact yet powerful tool. Designed to combine portability with professional-grade performance, this grease gun promises best-in-class run-time, user-kind features, and durable construction. while it comes as a tool-only option, requiring a separate battery and charger, its ergonomic design and innovative functions like integrated hose storage and an LED fuel gauge made it a standout in our toolbox. Join us as we dive into the details and see how this 12-volt cordless grease gun performs in real-world use.
Overview of the Milwaukee M12 Cordless Grease Gun and What Sets It Apart
This cordless grease gun stands out due to its extraordinary portability and user-friendly design. At just 14 inches long and weighing only 7.2 pounds, it offers superior handle balance and ergonomics, making it comfortable to use even during extended jobs. Its 12-volt motor delivers over 8,000 PSI of output pressure,ensuring powerful and efficient grease request every time. The integrated hose storage and LED fuel gauge add notable convenience, minimizing downtime and keeping everything organized on the go. Plus, the included 36″ flex hose with spring guard and grease couple are thoughtfully designed for durability and ease of use.
Durability and run-time are also key highlights here. This device can dispense up to 7 cartridges of grease per charge, which is best in its class for cordless grease guns. The built-in air bleeder valve offers a fast priming mechanism for smooth flow, while the overload protection feature prevents damage during heavy use. The product supports both 14 oz. cartridges and 16 oz. bulk grease, making it versatile for various maintenance needs. Battery and charger are sold separately, giving us flexibility to pair it with existing M12 batteries.
| Feature | Specification |
|---|---|
| Voltage | 12V |
| Output Pressure | 8,000+ PSI |
| Run Time | Up to 7 cartridges/charge |
| Weight | 7.2 lbs |
| Length | 14 inches |
| Grease Capacity | 14 oz. cartridge / 16 oz. bulk |
Exploring the Key Features That Make This Grease Gun a Reliable Choice
One of the standout aspects of this grease gun is its impressive performance and durability. operating on a 12-volt system, it delivers an output pressure exceeding 8,000 PSI, ensuring efficient grease application even in demanding environments. Thanks to a best-in-class run-time, it can dispense up to 7 grease cartridges per charge, making it ideal for extended tasks without frequent interruptions. The design focuses heavily on user comfort as well, with an ergonomically balanced handle that measures just 14 inches in length and weighs only 7.2 pounds, reducing fatigue during prolonged use.
Additional features such as the integrated hose storage and an LED fuel gauge enhance convenience and minimize downtime.The inclusion of an air bleeder valve streamlines the priming process for quick and consistent grease flow. Equipped with overload protection, a bulk filler valve, and a flexible 36″ hose with spring guard, this tool combines functionality with user safety. Here is a quick overview of its key specifications:
| Feature | Specification |
|---|---|
| Voltage | 12V |
| Output Pressure | 8,000+ PSI |
| Grease Capacity | 14 oz.Cartridge / 16 oz. Bulk |
| Run Time | up to 7 cartridges per charge |
| Weight | 7.2 lbs |
| Length | 14 inches |
Our In-Depth Experience Using the Milwaukee 2446-20 on the Job
From the moment we started using this grease gun,its ease of operation immediately stood out.Its compact size-just 14 inches long-and light weight (7.2 lbs) made it incredibly easy to handle during extended jobs, reducing fatigue significantly.The ergonomic design delivers excellent balance,allowing us to maneuver into tight spaces without strain. one of our favorite features was the integrated hose storage, which keeps the 36″ flex hose neatly in place and ready for action. The built-in LED fuel gauge helped us avoid unexpected downtime by clearly indicating remaining battery life (once connected to a compatible M12 battery). Prime flow was quick and hassle-free thanks to the air bleeder valve,enabling us to maintain a steady grease output with very little effort.
Durability is another cornerstone of this tool. Despite being manufactured overseas, it holds up remarkably well against the wear and tear of rigorous job site conditions. The grease gun impresses with its powerhouse output pressure of over 8,000 PSI, effortlessly dispensing up to 7 cartridges per battery charge. the overload protection and bulk filler valve also added to the convenience,making bulk refills straightforward while safeguarding the tool. the overall capacity accommodates both 14 oz. cartridges and 16 oz. bulk containers, keeping us well-supplied throughout the day. Below is a quick summary of the key specs we found most useful:
| Feature | Details |
|---|---|
| Voltage | 12V M12 Platform |
| Output Pressure | 8,000+ PSI |
| Run Time | Up to 7 cartridges per charge |
| Weight | 7.2 lbs |
| Grease Capacity | 14 oz. cartridge / 16 oz. bulk |
this tool proved to be a reliable and efficient addition to our grease maintenance arsenal. If you’re tired of bulky or cumbersome greasing solutions, this compact unit delivers professional-grade performance in a well-balanced, user-friendly design.
Practical Tips and Recommendations for Getting the Most Out of This Tool
To maximize efficiency, always ensure you have a fully charged M12 battery before starting your tasks, as the tool dispenses up to 7 cartridges per charge. Its superior handle balance and compact size-just 14 inches long and weighing 7.2 lbs-makes it comfortable to use for extended periods. Make good use of the integrated hose storage feature to keep your work area neat and reduce downtime. Don’t forget to monitor the LED fuel gauge to avoid unexpected interruptions during grease applications.
When preparing the tool, utilize the air bleeder valve for a quick and smooth priming process, which helps maintain consistent grease flow.For filling, the bulk filler valve offers a convenient way to refill grease without mess. Considering the tool’s overload protection, it’s wise to avoid forcing the gun in tough spots; let the tool do the work to preserve its longevity. Below, we’ve summarized key operational tips to keep in mind:
| Feature | Recommended Use |
|---|---|
| LED fuel Gauge | Check before and during use to manage battery life |
| Air Bleeder Valve | Prime tool quickly for uninterrupted grease flow |
| Integrated Hose Storage | Keep hose neatly stored to prevent damage |
| Bulk Filler Valve | Refill grease cartridges efficiently and cleanly |
| Overload Protection | Avoid forcing the tool during heavy load |
Ready to experience the convenience and reliability firsthand? Get Yours Today
Customer Reviews Analysis
customer Reviews Analysis
After combing through numerous customer reviews, we’ve gathered valuable insights about the Milwaukee 2446-20 M12 12-Volt Cordless Grease Gun.users appreciate its power, ease of use, and build quality, though a few minor drawbacks emerged. Here’s a closer look at what customers love – and what they find frustrating.
What Customers Loved
- Powerful Performance: Many reviewers emphasized how well the grease gun delivers consistent pressure, making greasing tasks effortless-even on worn or hard-to-reach fittings. The powered operation, with a smooth ramp-up start, allows precise control of grease flow, praised especially for tricky jobs requiring a steady hand.
- Ergonomic and user-Friendly Design: Users repeatedly mentioned the comfort and convenience provided by the lightweight, cordless design. The generous hose length and spring strain reliefs improve grip and maneuverability, making it easier to hold the fitting and gun together.
- Quality and Durability: As expected from Milwaukee, the build quality earns high marks. The grease gun feels rugged and reliable,suitable for frequent use in demanding environments such as semi trucks,lawn mowers,and excavators.
- Convenience: Several customers highlighted how the cordless design saves time and removes the need for “five hands” to operate manual grease guns, making the chore cleaner and faster.
Common Criticisms
- Oily Exterior Over Time: Like many grease guns, the housing and hose tend to get oily with use due to grease seepage. Some customers felt Milwaukee could offer a fitted plastic case to better protect and contain the mess (though the zippered soft case included in kit versions provides some relief).
- Shipping and Vendor issues: A few users cited frustrating delays when buying from certain online vendors, especially concern over “in stock” items taking longer than expected to ship.
- Reliability Concerns: One reviewer reported a problem with the plunger failing to push grease properly after moderate use, marking it as their first disappointing Milwaukee tool experience. While this seems isolated, it’s certainly worth noting.
Summary table of Customer Feedback
| Aspect | Positive Feedback | Negative Feedback |
|---|---|---|
| Performance & Power | Strong pressure, smooth motor start, precise grease delivery | One reported plunger issue after extended use |
| Design & Usability | Lightweight, ergonomic, hose length & grip aids | Gets oily externally, no hard plastic case included |
| Build Quality | Durable; ideal for heavy-duty and frequent use | Minor/isolated durability complaints |
| Vendor Experience | Good pricing from multiple sources | Shipping delays and inconsistent vendor service |
Our Take
From the feedback we analyzed, the Milwaukee M12 Cordless Grease Gun excels as a time-saving, powerful tool that reduces the hassle of manual greasing significantly. While the oily exterior and occasional shipping hiccups are minor drawbacks, they don’t overshadow the consistent praise for its performance and ease of use. Whether you’re maintaining heavy machinery or simple lawn equipment, this grease gun seems to be a solid investment for convenience and reliability.
Pros & Cons
Pros & Cons
After spending some time with the Milwaukee M12 Cordless Grease Gun, we’ve gathered a clear picture of its strengths and areas where it could improve. Here’s what stood out to us:
| Pros | Cons |
|---|---|
| Compact and lightweight at just 14″ long and 7.2 lbs, making it easy to handle for extended periods. | Comes as a bare tool only, so you need to purchase the battery and charger separately. |
| Excellent runtime – dispenses up to 7 grease cartridges per single 12V battery charge,minimizing downtime. | Manufactured in China, which may be a consideration depending on your preference for product origin. |
| High output pressure of over 8,000 PSI ensures efficient grease delivery even in demanding applications. | Grease capacity limited to 14 oz. cartridge or 16 oz. bulk, which might require frequent refills in heavy use. |
| Integrated hose storage and LED fuel gauge add convenience and help prevent interruptions during jobs. | Some users may find the 36″ flex hose a bit long depending on the workspace constraints. |
| Includes air bleeder valve and overload protection for smooth and safe operation. | Extra accessories like battery and charger add to the initial investment. |
| Durable construction designed to hold up under frequent use. | Not a full kit out of the box, which might be inconvenient for first-time users. |
Q&A
Q&A: Milwaukee M12 Cordless grease Gun
Q1: Is the Milwaukee 2446-20 grease gun easy to use for beginners?
Absolutely! We found the M12 Cordless Grease Gun very user-friendly. Its ergonomic design and well-balanced handle make it comfortable to hold and maneuver. Plus, the integrated hose storage keeps your workspace tidy, and the air bleeder valve helps with quick priming, reducing frustration for those new to grease guns.
Q2: Does this grease gun deliver enough power for heavy-duty tasks?
yes, it does. With an output pressure exceeding 8,000 PSI, this grease gun handles tough lubrication jobs with ease. We were impressed by its ability to maintain steady pressure, which is critical for consistent grease flow even in demanding applications.
Q3: How long does the battery last during typical use?
While the tool comes without a battery, milwaukee’s M12 batteries are known for great performance.According to the specifications, one full charge can dispense up to 7 grease cartridges. From our experience, that’s excellent run-time for a cordless grease gun, letting you cover multiple tasks before needing to recharge.
Q4: What about the size and weight? Is it easy to carry around?
Yes, this grease gun is quite compact and lightweight. At only 14 inches long and 7.2 pounds, it’s easy to handle and carry around job sites without causing fatigue. We appreciated this, especially when working in tight or awkward spaces.
Q5: Does the product include a battery and charger?
No, the Milwaukee 2446-20 model is a bare tool and does not include a battery or charger. You’ll need to purchase these separately if you don’t already have compatible M12 batteries and chargers.
Q6: How durable is this grease gun?
Durability is one of the strong suits here. Constructed with quality materials and designed for heavy use, it feels solid and robust. While it’s manufactured in China, the build quality meets Milwaukee’s high standards, giving us confidence for long-term reliability.
Q7: What features improve convenience during use?
Several thoughtful features enhance ease of use: the integrated hose storage keeps the 36-inch flexible hose with spring guard neatly stowed, the LED fuel gauge lets you monitor battery life at a glance, and the bulk filler valve simplifies refilling. All these additions minimize downtime and make the workflow smoother.
Q8: Is this grease gun suitable for both cartridge and bulk grease?
Yes, it supports both 14 oz. grease cartridges and up to 16 oz. bulk grease. This flexibility allows you to choose the best option depending on your needs and the volume of grease you require.
Q9: Does it have any protection features?
Indeed, it includes overload protection, which helps prevent damage from excessive pressure or mechanical strain. This adds a layer of safety for both the user and the tool.
We hope these answers help you get a better sense of what to expect from the Milwaukee M12 Cordless Grease Gun.If you have more questions, feel free to ask!
Experience Innovation
the Milwaukee M12 cordless Grease Gun stands out as a powerful and easy-to-use tool that can make maintenance tasks smoother and more efficient. Its durability,impressive run-time of up to 7 cartridges per charge,and thoughtful ergonomic design all come together to deliver excellent performance in a compact package. While it’s importent to note that the battery and charger are sold separately, the integrated features like hose storage, LED fuel gauge, and air bleeder valve add undeniable convenience and reduce downtime. For anyone looking for a reliable grease gun that balances power and ease of use, this Milwaukee model is definitely worth considering.
Ready to upgrade your toolkit? Check it out here: Milwaukee M12 Cordless Grease Gun on Amazon.
This post may contain affiliate links which means I may receive a commission for purchases made through links. Learn more on my Private Policy page.
