10 Best High Pressure Grease Guns 2025 in the United States

The Milwaukee 2646-20 M18 2-Spd Grease Gun Bare Tool is a robust choice for high-pressure grease applications. It boasts an impressive 10,000 PSI max operating pressure, which is industry-leading and suitable for heavy-duty tasks. The product features a 48-inch flexible hose that is beneficial for reaching difficult fittings, enhancing accessibility significantly. Additionally, the air bleeder valve aids in quick priming, making it efficient to use, while the lock-on/lock-off trigger adds convenience for the user.

A unique feature is the pre-set grease counter dial, which ensures precision during application—a standout for users needing accurate grease amounts. The grease gun is designed as a cordless tool, powered by an 18-volt battery, making it portable and easy to maneuver without the hassle of cords. However, it's important to note that batteries are not included, which could be a drawback for some users. It has a solid construction with metal material, and its moderate weight of 4.21 pounds makes it manageable for extended use.

Customer reviews are highly positive, with a 4.7 rating from over 3,000 reviews, suggesting it is well-regarded by users. The product dimensions are fairly compact, at 3.8 x 19.7 x 9.2 inches, fitting well into various workspaces. As for longevity, it comes with a 5-year warranty, providing some assurance of its durability. While its best sellers rank in automotive (#4,692) and grease guns (#13) shows it is popular, the absence of included batteries and the potential need for additional components should be considered. This grease gun is highly recommended for professional mechanics, industrial workers, and DIY enthusiasts who require high pressure and precision in their grease applications.

The DEWALT 20V MAX Grease Gun is a powerful cordless tool designed for high-pressure grease applications. With an impressive pressure rating of up to 10,000 PSI, it can efficiently navigate clogged grease fittings. The high-volume pump delivers up to 5.0 oz per minute, making it suitable for demanding tasks. A standout feature is the 42-inch flexible hose, which aids in reaching difficult areas. Additionally, the variable speed trigger offers precise control over grease flow, enhancing user experience.

For working in poorly lit spaces, the integrated bright LED light is quite handy. The tool also includes an air-bleeder valve to help with pump priming after changing cartridges, ensuring smooth operation. The design includes a no-mar foot to rest the gun on flat surfaces without causing damage. However, keep in mind that this product is sold as a bare tool, meaning the battery is not included. This could be a drawback for those who do not already own compatible DEWALT batteries.

Despite this, the grease gun comes with a solid warranty of 3 years, along with a 1-year free service contract and a 90-day money-back guarantee. Weighing 8 pounds, it is relatively portable and easy to handle. The DEWALT 20V MAX Grease Gun is a robust and versatile tool ideal for users requiring high pressure and reach in their grease application tasks.

The Makita XPG01Z 18V LXT® Lithium-Ion Grease Gun is a high-performing tool designed for those who need reliable and efficient lubrication. It boasts a powerful motor that can deliver up to 10,000 PSI of maximum pressure, making it suitable for heavy-duty applications.

The grease gun features two speed modes, including a unique Auto-Speed mode that adjusts the flow rate automatically based on the resistance encountered, enhancing control and precision during use. This model also includes a variable speed trigger and a lock-on button, both of which contribute to user convenience and help reduce fatigue during extended operations.