cordless grease guns offer greater reach, reduced fatigue, and faster service for automotive, agricultural, and industrial maintenance. This guide highlights five top models known for power, reliability, and practical features like variable flow, long hoses, and durable batteries. Use the product snapshots below to compare performance and find the right tool for heavy-duty lubrication tasks.
| Product | Brand | PSI / Flow | Battery & Hose | Notes |
|---|---|---|---|---|
| DEWALT DCGG571B | DEWALT | Up to 10,000 PSI; 5.0 oz/min | Tool Only; 42″ Hose | Variable speed trigger for flow control |
| DEWALT DCGG571M1 | DEWALT | Up to 10,000 PSI; 5.0 oz/min | Includes 4.0Ah battery; 42″ Hose | LED light; variable speed trigger |
| Milwaukee 2446-20 | Milwaukee | 12V bare tool; lightweight | No battery; requires own | Compact, durable, popular bare-tool option |
| Milwaukee 2646-21CT | Milwaukee | Professional 2-speed kit; includes battery/charger | Includes battery & charger | 2-speed performance for heavy and light tasks |
| Ecarke 12000 PSI | Ecarke | 12,000 PSI; 8 oz/min | Tool Only; 39″ Hose | LED light; 39″ flexible hose; dual grip options |
Note: All models above are cordless designs intended to streamline lubrication across vehicles, machinery, and equipment. Consider battery ecosystem compatibility, hose length, and performance needs when choosing a model for frequent or heavy-duty use.
DEWALT Dcgg571B Cordless Grease Gun
DEWALT’s cordless grease gun reaches up to 10,000 max PSI with a high-volume pump capable of delivering up to 5.0 oz per minute. The tool-only model supports a 42-inch hose for extended reach in hard-to-access fittings. Variable speed trigger allows precise grease flow control, enabling cleaner and more efficient lubrication on trucks, tractors, and industrial equipment.
DEWALT Dcgg571M1 Cordless Grease Gun Kit
This kit adds a 4.0Ah battery and a full setup for extended work sessions. It delivers up to 10,000 PSI with a high-flow rate of 5.0 oz/min through a 42″ hose. The LED light helps illuminate dim work areas, and the variable speed trigger offers precise control to optimize grease flow across fittings and joints in heavy equipment.
Milwaukee Bare-Tool 2446-20 M12
Milwaukee’s M12 grease gun offers a compact, portable option without a battery in the box. It is designed for quick access and durable use, ideal for users who already own M12 batteries and want a lightweight tool for automotive maintenance and small equipment lubrication. Power and flow are balanced for maneuverability in tight spaces.
Milwaukee 2646-21CT 2-Speed Kit
Milwaukee’s 2646-21CT kit includes a 2-speed grease gun with battery and charger. It is designed for professional maintenance tasks, offering adjustable speed to optimize flow for different fittings and materials. The kit supports heavy-duty as well as light-duty applications, providing flexibility on various job sites.
Ecarke 12000 PSI Cordless Grease Gun
Ecarke’s cordless model delivers up to 12,000 PSI with a high flow rate around 8 oz/min, making it a strong option for trucks, loaders, and heavy machinery. It is compatible with DeWalt 20V batteries, features LED illumination, a 39-inch hose, and a dual grip design to reach tight spots and operate comfortably in different postures.
Buying Guide
- Power and pressure: Higher PSI and steady flow enable faster lubrication on stubborn fittings. Consider models offering 10,000–12,000 PSI with 5.0–8 oz/min flow for heavy-duty work.
- Battery ecosystem: If you already own a tool family (DEWALT, Milwaukee, Makita compatibility), choose a model that fits your existing batteries to maximize runtime and minimize extra investments.
- Hose length and flexibility: Longer hoses (around 39–42 inches) and flexible or 90° couplers improve accessibility in tight spaces and under vehicles.
- LED lighting and ergonomics: Built-in LEDs help in low-light environments, while dual-grip designs and balanced weight reduce user fatigue during extended use.
- Kit vs. bare tool: Kits include batteries and chargers for immediate use, while bare tools require you to purchase power sources separately. For frequent use, a kit typically provides better overall value.
- Durability and warranty: Look for metal construction, reliable triggers, and protective housings, along with a solid warranty to cover gear wear and tear on demanding jobs.
- Compatibility with bulk and cartridge grease: Some models support both cartridge and bulk grease, offering flexibility for different maintenance tasks and equipment types.
Across the options, cordless grease guns provide substantial productivity gains by reducing manual pumping and increasing reach. When selecting a model, prioritize PSI capability, hose length, battery compatibility, and practical features like LED lights and variable flow control to match typical maintenance workloads.