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4 Best Dewalt Gun Greases 2025 in the United States

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Our Top Picks

#1

Winner

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

The DEWALT 20V MAX Grease Gun (DCGG571B) stands out with a powerful motor capable of delivering up to 10,000 PSI, allowing it to efficiently power through clogged grease fittings. Its high-volume pump pushes up to 5.0 oz/min, which is beneficial for high-flow applications. The variable speed trigger provides precise control over grease flow, enhancing usability.

The 42-inch flexible hose is a notable feature, making it easier to reach difficult grease fittings, and the integrated LED helps locate fittings in dark work areas. Additionally, the air-bleeder valve assists in pump priming post cartridge changes, adding to its efficiency. The no-mar foot design allows the tool to rest on flat surfaces without damage. However, it is worth noting that this model is a bare tool, meaning it does not come with batteries and requires separate purchase.

The product is supported by a 3-year limited warranty, 1-year free service contract, and a 90-day money-back guarantee, offering good customer support. Given its high power and versatility, this grease gun is particularly suitable for automotive and industrial applications where high-pressure grease fittings are common.

#2

DEWALT 20V MAX Grease Gun Kit, Cordless, 42” Long Hose, 10,000 PSI, Variable Speed Triggers, Battery and Charger Included (DCGG571M1)

The DEWALT 20V MAX Grease Gun Kit is a powerful and versatile tool designed for heavy-duty grease applications. It features a robust motor with a maximum pressure of 10,000 PSI, allowing it to handle clogged grease fittings efficiently. The high-volume pump pushes up to 5.0 oz/min, making it suitable for high-flow applications. One standout feature is the variable speed trigger, which gives users control over the grease flow, enhancing precision in various tasks.

The 42-inch flexible hose is a practical addition, enabling access to hard-to-reach grease fittings, while the bright LED light aids visibility in dark work areas, which is useful in automotive maintenance and industrial settings. Additionally, the pump filter screen helps prevent dirt and contamination from clogging the pump mechanism, ensuring smooth operation. The integrated no-mar foot design allows users to rest the tool on flat surfaces without causing damage, and the air-bleeder valve assists in pump priming after cartridge changes, simplifying maintenance.

The grease gun is battery-powered, using a 20V lithium-ion battery, which is included along with the charger. This cordless design enhances mobility and convenience during use. On the downside, the grease gun weighs 14.8 pounds, which might be a bit heavy for prolonged use and could cause fatigue. It is also a relatively expensive option compared to some other grease guns on the market. However, with a 3-year limited warranty, it is a reliable and durable choice for professionals who require a robust tool for frequent and intensive grease applications.

#3

DEWALT Grease Gun Cordless 14 oz.

The DEWALT Grease Gun Cordless 14 oz. is designed for those who need a powerful and efficient tool for greasing applications. Its motor delivers up to 10,000 max psi, which makes it effective for dealing with clogged grease fittings. The high-volume pump can push up to 5.0 oz/min, suitable for high-flow applications.

Its cordless nature, powered by a DEWALT 20V MAX Battery, allows for easy maneuverability and portability, with up to 16 cartridges per charge. The variable speed trigger offers precise control over the grease flow, which is a handy feature for different tasks requiring different amounts of grease.

The weight of the tool at 14 pounds might be cumbersome for prolonged use. It is ideal for users needing a high-pressure and high-volume grease application tool with the convenience of cordless operation.

Buying Guide for the Best Dewalt Gun Greases

Choosing the right grease for your DeWalt gun is crucial for ensuring its longevity and optimal performance. Grease helps in reducing friction, preventing wear and tear, and protecting against rust and corrosion. When selecting a grease, it's important to consider the specific needs of your tool and the conditions in which it will be used. Here are some key specifications to help you make an informed decision.
Base Oil TypeThe base oil type in grease determines its fundamental properties, such as viscosity and temperature resistance. Common types include mineral oil, synthetic oil, and vegetable oil. Mineral oil-based greases are generally more affordable and suitable for standard applications. Synthetic oil-based greases offer better performance in extreme temperatures and high-load conditions. Vegetable oil-based greases are biodegradable and environmentally friendly but may not perform as well in high-stress situations. Choose the base oil type based on the operating conditions of your DeWalt gun.
Thickener TypeThe thickener in grease gives it its consistency and helps it stay in place. Common thickeners include lithium, calcium, and polyurea. Lithium-based greases are versatile and provide good performance in a wide range of temperatures. Calcium-based greases offer excellent water resistance, making them ideal for wet environments. Polyurea-based greases are known for their long life and high-temperature stability. Select a thickener type that matches the environmental conditions and usage patterns of your DeWalt gun.
NLGI GradeThe National Lubricating Grease Institute (NLGI) grade indicates the consistency of the grease, ranging from 000 (fluid) to 6 (block). For most power tools, an NLGI grade of 1 or 2 is recommended, as it provides a good balance between pumpability and staying in place. A lower grade (0 or 00) might be suitable for cold environments, while a higher grade (3 or 4) could be used in high-temperature or high-load situations. Choose the NLGI grade based on the specific operating conditions of your DeWalt gun.
AdditivesAdditives enhance the performance of grease by providing additional properties such as anti-wear, extreme pressure, and corrosion resistance. Common additives include molybdenum disulfide, graphite, and zinc. Anti-wear additives help reduce metal-to-metal contact, extending the life of your tool. Extreme pressure additives are essential for high-load applications, while corrosion inhibitors protect against rust and oxidation. Consider the specific demands of your DeWalt gun and choose a grease with the appropriate additives.
Temperature RangeThe temperature range of grease indicates the minimum and maximum temperatures at which it can effectively operate. This is crucial for ensuring that the grease remains stable and effective under varying conditions. For general use, a grease with a wide temperature range is ideal. If you are working in extreme cold or heat, select a grease specifically formulated for those conditions. Match the temperature range of the grease to the typical operating environment of your DeWalt gun to ensure optimal performance.

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