Choosing a cordless grease gun can dramatically speed up maintenance on farms, trucks, tractors, and workshop equipment. The models below balance high PSI, flow rate, battery life, and ease of use to help you reach tight fittings without manual pumping. Each option offers different battery compatibility, hoses, and LED lighting to fit varying work environments.
| Product | Brand | Key Strength | PSI / Flow | Hose Length |
|---|---|---|---|---|
| DEWALT DCGG571B | DEWALT | High-pressure, variable speed | 10,000 PSI / up to 5.0 oz/min | 42” |
| J-KU 12,000 PSI | J-KU | Very high pressure, long runtime | 12,000 PSI / ~5.6 oz/min | 39.4” |
| DEWALT DCGG571M1 | DEWALT | Complete kit with battery | 10,000 PSI / up to 5.0 oz/min | 42” |
| Ecarke Cordless Gun | Ecarke | Battery flexibility, LED light | 12,000 PSI / up to 8 oz/min | 39” |
| TaskStar Kit | TaskStar | All-in-one kit with batteries | 10,000 PSI / 3.0 oz/min | 39.4” |
Below are five carefully selected cordless grease guns that cover a range of needs—from heavy-duty industrial tasks to automotive maintenance—while keeping a focus on performance, durability, and value for American workshops and farms.
DEWALT Cordless Grease Gun DCGG571B

DEWALT’s 10,000 PSI cordless grease gun combines high-pressure performance with a variable speed trigger for precise control. The 42-inch hose aids reach around machinery and trucks, while the high-flow design moves up to 5.0 oz of grease per minute, reducing downtime on tough fittings. Tool-only design in this variant emphasizes compatibility with existing DEWALT batteries in a workspace.
J-KU 12,000 PSI Cordless Grease Gun

J-KU delivers a strong 12,000 PSI rating with a robust 8,000 mAh battery setup and 39.4-inch hose with a 90-degree coupler. The design supports heavy-duty applications in farming, trucks, and industrial equipment and includes compatibility with Makita-style batteries. A 5.6 oz/min flow rate speeds up greasing tasks while reducing fatigue.
DEWALT 20V Max Grease Gun Kit with Battery

This DEWALT kit pairs a 10,000 PSI cordless grease gun with a 4.0Ah battery and charger. The included LED light helps illuminate tight work areas, and the 42-inch hose supports reach around vehicle frames and equipment. Variable speed control provides fine-tuning for different lubricants and fittings.
Milwaukee Bare-Tool 2446-20 M12 Grease Gun

Milwaukee’s M12 system offers a compact, cordless option for small to mid-size maintenance tasks. This bare tool emphasizes reliability and compatibility within the M12 ecosystem, making it a strong choice for users who already own Milwaukee batteries. It is designed for straightforward operation and dependable performance on routine lubrication jobs.
Milwaukee 2646-21CT M18 2-Speed Grease Gun Kit

Milwaukee’s M18 2-speed model provides professional maintenance capability with dual-speed settings for precision and speed. The kit typically includes battery and charger, enabling immediate use on nearby jobs. It’s designed to handle automotive and industrial maintenance tasks with reliable torque and flow control.
Ecarke Cordless Grease Gun With DeWalt Battery Compatibility

Ecarke’s cordless grease gun is compatible with DeWalt 20V batteries, delivering up to 12,000 PSI and a high 8 oz/min flow rate. The 39-inch hose and 2-coupler setup support heavy-duty jobs, and the design emphasizes portability alongside compatibility with common DeWalt battery systems for added flexibility in a busy shop.
GEVEELIFE 2025 Upgraded 2-in-1 Cordless Grease Gun

GEVEELIFE offers a 12,000 PSI maximum with dual-mode operation, a 39.4-inch hose, and a 90-degree swivel coupler for tight spaces. The kit includes two 4000mAh batteries and a fast charger, with Makita compatibility for expanded power options. It is suited for tractors, trucks, and lumbering equipment maintenance.
TaskStar Electric Grease Gun Kit

TaskStar’s kit provides 10,000 PSI with a 3.0 oz/min flow rate and dual 2.0Ah batteries for extended runtime. The 39.4-inch flexible hose and bright LED light help reach challenging fittings on farm equipment, trucks, and automotive systems. This setup emphasizes efficiency for larger maintenance jobs.
Buying Guide: Key Considerations And Comparisons
Power and pressure: For stubborn fittings and heavy equipment, models with 12,000 PSI capability offer faster grease delivery and better performance. Higher PSI often pairs with steady flow rates, but verify real-world performance based on your typical fittings.
Battery compatibility and kits: Cordless grease guns come as tool-only, bare tool with batteries, or complete kits. If you already own a brand ecosystem (like DEWALT, Milwaukee, or Makita), selecting a model in the same family can save money and simplify charging.
Hose length and flexibility: Longer hoses (around 39–42 inches) help reach hard-to-access fittings on tractors, trailers, and large equipment. A 90-degree coupler and a flexible hose reduce maneuvering time and awkward angles.
Flow rate and efficiency: Look for ounces-per-minute flow rates that match your routine work. A higher flow rate reduces pumping time but may require more control for sensitive fittings. Variable speed triggers also help dial in precision.
Durability and form factor: Heavier-duty models often feature reinforced housings, robust triggers, and durable seals. Gun design should minimize fatigue for long maintenance sessions and support consistent performance over many cycles.
LED lighting and visibility: Built-in LED work lights are beneficial when working under vehicles or in dim garages. A bright light helps identify lubrication points and reduces the risk of cross-threading and missed fittings.
Warranty and support: Check manufacturer warranty length and service options. A widely supported brand with a robust repair network helps ensure long-term reliability in commercial settings.