4 Best Dewalt Grease Guns 2026 in the United States

The DIYtoolifz Cordless Grease Gun is a strong choice for anyone needing a powerful, versatile tool that works with DeWalt 20V batteries. Its standout feature is the high pressure rating of 12,000 PSI, which makes it capable of handling tough, stuck fittings on heavy machinery without much hassle. The brushless motor adds durability and efficient performance, running cooler and lasting longer than older motor types. You can adjust the grease flow with three speed settings—low, medium, and high—allowing careful application for delicate parts or faster output for bigger jobs. With a max flow rate of 9 ounces per minute on the highest setting, it can grease efficiently without wasting material.

For convenience, it fits standard 14-ounce grease cartridges and can also use bulk grease, which can save money for frequent or large-volume users. The 39.4-inch steel-braided hose is long and flexible enough to reach tight spots and is designed to resist bursting under pressure. The kit includes four different couplers and helpful extras like a work light and a sturdy carrying case, making it ready to use in various situations. The tool is sold without the battery or charger, so you’ll need a compatible DeWalt 20V battery (ideally 4.0Ah or higher) to power it, which could be an additional expense if you don’t already own one.

Weighing over 11 pounds, it’s on the heavier side, which might cause some fatigue during extended use. This grease gun is well-suited for professionals and serious DIYers who want a reliable, high-pressure tool compatible with their existing DeWalt battery system and value flexibility between cartridge and bulk grease options.

The DEWALT 20V MAX Cordless Grease Gun is a robust and portable tool designed for greasing tasks, delivering a high pressure rating of up to 10,000 PSI to easily handle stubborn or clogged grease fittings. It dispenses grease at about 9 ounces per minute, enabling faster and more efficient work. Its cordless design, powered by a 20V battery, provides convenient mobility without cord interference, with battery life sufficient to handle up to 7 tubes of grease on a single charge.

Equipped with a 47-inch reinforced hose, the grease gun offers good reach and flexibility to access tight or awkward spots. Features such as two-speed operation and a variable speed trigger allow precise application control, while the onboard LED light helps illuminate the work area. The tool comes with an oil-resistant battery and charger, all bundled in a kit box for easy storage and transport.

Weighing nearly 16 pounds, it may feel bulky during extended use or in confined spaces. If you require a reliable, cordless grease gun with strong pressure and good flow rate for automotive or industrial maintenance, this DEWALT model is a solid option to consider.

The DEWALT 20V MAX Cordless Grease Gun is a powerful, portable tool for grease application, delivering up to 10,000 PSI of pressure to push grease through stubborn or clogged fittings easily. It offers a flow rate of up to 9 ounces per minute, making it efficient for quick jobs. Being cordless and powered by a 20V battery provides excellent mobility, allowing you to work without being tethered to a power source. One battery charge can grease about 7 tubes, supporting longer work sessions without frequent recharging.

The tool includes a 47-inch reinforced hose, which provides enough length to maneuver around machinery comfortably while ensuring durability. It features two speed settings and a variable speed trigger for better control and precision during use. An onboard LED light brightens dark work areas, making it easier to align the nozzle. The grease gun weighs just over 9 pounds, which may feel a bit heavy during extended use.

This model is sold as a tool-only option, meaning the battery and charger need to be purchased separately if you do not already own compatible DEWALT 20V tools, potentially increasing the upfront cost. With solid customer feedback and dependable performance, this DEWALT grease gun is a reliable and user-friendly choice for those who value cordless convenience, high pressure, and a durable hose length.