DEWALT Grease Gun 20V MAX Cordless Electric 42in Hose - Powerful Flow

In this review of the DEWALT Grease Gun 20V MAX, the bottom line is simple: this tool is for technicians, fleet operators, and serious DIYers who need fast, consistent lubrication on heavy equipment. The battery-powered gun delivers up to 10,000 max PSI and a high-volume pump that pushes about 5 oz/min, which made greasing large fittings and clogged zerks noticeably quicker than manual pumps during testing. The review focuses on usability, reach, and flow control to help buyers decide if the cordless option fits their shop workflow.

Key Features

• High pressure motor: The motor delivers up to 10,000 max PSI so it can power through clogged grease fittings without repeated manual effort.
• High-volume pump: The pump pushes up to 5.0 oz per minute, which speeds up high-flow lubrication tasks on trucks and landscaping equipment.
• Variable speed trigger: The trigger gives precise control over grease flow for delicate fittings or rapid bulk greasing as needed.
• 42in flexible hose: The long, flexible hose reaches hard-to-access grease fittings behind panels and tight linkages without repositioning heavy parts.
• Bright LED: The integrated LED lights dark work areas so fittings can be located and engaged without an extra flashlight.
• Air-bleeder and no-mar foot: The air-bleeder valve helps prime the pump after cartridge changes and the no-mar foot lets operators rest the tool on flat surfaces without scratching.

Who It's For

The DEWALT 20V MAX grease gun is best for mobile technicians, tow truck operators, landscape crews, and small shop owners who need reliable, fast lubrication for heavy machinery. Its combination of pressure and flow cuts the time required to grease multiple points, and the long hose plus LED make accessing hidden fittings easier.

Those who primarily perform light occasional greasing on household items or who prefer hand-powered tools to control every ounce of grease may find the cordless unit more capability than they need and should consider simpler manual guns instead.

Pros & Cons

Pros

• Delivers high pressure to clear clogged fittings reliably, reducing repeated attempts.
• High-volume flow meaning fewer stops to refill when servicing multiple fittings.
• Variable speed trigger and 42in hose improve control and reach in tight or dark areas.
• LED and integrated no-mar foot add practical convenience on the job.

Cons

• Battery and charger are sold separately, so initial purchase may require additional outlay.
• Some users note the tool feels heavier than hand pumps, which can be noticeable during extended use.

Specifications

Brand	DEWALT
Power	20V MAX battery (tool only)
Maximum pressure	10,000 max PSI
Pump flow	Up to 5.0 oz/min
Hose length	42in flexible hose
Key features	Variable speed trigger, LED, air-bleeder valve, no-mar foot

Our Verdict

The DEWALT 20V MAX cordless grease gun is a strong choice for professionals and serious DIYers who need speed, pressure, and reach when servicing heavy equipment. Its combination of 10,000 PSI, high-flow pump, long hose and LED makes greasing faster and more precise, offering good value for shops that regularly maintain trucks, mowers, or landscape gear.

Frequently Asked Questions

Does the tool include a battery?
The product is sold as tool only, so battery and charger are not included and must be purchased separately.

Can it handle clogged grease fittings?
Yes; the motor delivers up to 10,000 max PSI specifically to power through clogged or difficult fittings.

How long is the hose and is it flexible?
The grease gun includes a 42in flexible hose to reach hard-to-access grease points.