DEWALT 20V Grease Gun Bare Tool Comparison & Buyer Guide

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Fleet mechanics, heavy equipment operators, and agricultural maintenance technicians selecting a dewalt 20v grease gun tool only must choose between genuine factory-built units and high-pressure third-party alternatives built for the same battery interface. Servicing kingpins, tie rods, combine auger bearings, and excavator swing gears requires steady grease pressure without manual pumping fatigue. Choosing a dewalt 20v grease gun bare tool allows you to utilize existing battery inventory while matching hydraulic output, discharge volume, and hose length to your equipment maintenance schedule.

The marketplace organizes these tools into two distinct mechanical groups. Genuine DEWALT models feature factory-standard 10,000 PSI motors, 5.0 ounces per minute flow rates, 42-inch high-pressure flexible hoses, variable-speed dosing triggers, and integrated resting feet. Third-party compatible alternatives expand pressure capabilities up to 12,000 or 13,000 PSI, increase flow rates to 8.0 ounces per minute, and introduce dual-position pivoting handles alongside dual-loading barrels capable of accepting both standard cartridges and bulk grease.

Criteria matrix What each model in this report is credited with

Rows are the criteria that come up in the pros and cons listed for this lineup. A check means the criterion is named in this report’s write-up of that model; a dash means it is not. Criteria that apply to every model, or to only one, are left out because they separate nothing.

Criterion	DEWALT Grease Gun 20V 9.4/10	Cordless Grease Gun Compatible 8.6/10	Cordless Grease Gun Compatible with 9.2/10	DEWALT DCGG571BR 20V MAX 9.6/10	CRESTWAVE 13000 PSI Electric 8.8/10	DEWALT DCGG571M1R 20V MAX 8.4/10
Variable-speed trigger	✓Named	Not named	✓Named	✓Named	Not named	Not named
Flexible hose	✓Named	✓Named	Not named	Not named	Not named	✓Named
Foot design	✓Named	Not named	Not named	✓Named	Not named	✓Named
Max PSI	✓Named	Not named	Not named	✓Named	Not named	✓Named
Pump filter screen	Not named	Not named	Not named	✓Named	Not named	✓Named
Overload protection	Not named	✓Named	✓Named	Not named	Not named	Not named
Rotating handle	Not named	✓Named	Not named	Not named	✓Named	Not named
Oz min	Not named	✓Named	Not named	Not named	Not named	✓Named
Criteria named	4 / 8	4 / 8	2 / 8	4 / 8	1 / 8	5 / 8

Built from the wording of this report, not from a bench test. A dash is not a fault: it only means the write-up does not mention that point for that model. Scores next to each model are out of 10, based on listed specifications and buyer feedback.

DEWALT Grease Guns Lineup at a Glance

Best for: Daily heavy equipment and fleet maintenance

Pros

• 10,000 max PSI motor output
• 42-inch flexible whip hose
• Integrated resting foot design
• Three-year limited warranty

Cons

• Heavier than third-party compact units

The Models in Detail

DEWALT Grease Gun 20V MAX

The DEWALT Grease Gun 20V MAX (model DCGG571B) is the brand’s cornerstone cordless 20v grease gun tool only, designed specifically for fleet repair facilities, agricultural machinery, and marine maintenance. Its high-torque electric motor delivers up to 10,000 max PSI, generating the hydraulic force needed to blast through clogged grease fittings that stall manual lever guns. The high-volume pump pushes up to 5.0 ounces per minute, allowing technicians to pack large universal joints, kingpins, and tractor bushings efficiently.

Reach and site durability are primary focal points of the engineering. DEWALT fits this unit with a generous 42-inch flexible hose that snakes easily into crowded chassis frames and implement pivots without requiring the user to hold the motor housing aloft. An integrated no-mar foot design allows the operator to stand the lubricator upright on flat trailer decks or concrete shop floors. A bright LED illuminates recessed zerks in dark wheel wells, while a built-in air-bleeder valve assists in pump priming following standard 14-ounce cartridge replacements.

Weighing 8 pounds with an ergonomic rectangular housing, this genuine dewalt dcgg571b provides factory-tested reliability supported by a 3-year limited warranty. Discharge speed is controlled entirely by a variable-speed trigger, preventing blown dust seals on sensitive bearings. Operators wanting maximum factory support and precise grease metering will find this dewalt 20v max grease gun to be an enduring workhorse.

Cordless Grease Gun Compatible with DeWalt

Best for: Lightweight mobile machinery lubrication

Pros

• Agile 5.64-pound tool weight
• 12,000 PSI maximum output
• Dual-position rotating handle
• Motor overload protection

Cons

• Warranty duration not specified

Best for: Fast high-volume farm implement servicing

Pros

• 12,000 PSI pump pressure
• High 8 oz/min delivery rate
• Locking continuous pumping trigger
• 2-in-1 rotating handle

Cons

• Heavy 10.36-pound total weight

The Cordless Grease Gun Compatible with DeWalt manufactured by DEKARTOL boosts hydraulic capacity to 12,000 PSI, making it a high-output alternative for equipment operators already invested in 20V batteries. Delivering up to 8.0 ounces per minute, it pumps lubricant up to three times faster than manual alternatives, significantly shortening downtime on loaders, dump trucks, and farm equipment. Much like controlling flow on an electric caulking gun dewalt users operate in commercial settings, dispensing volume demands steady trigger command.

Mechanical versatility is highlighted by a 2-in-1 rotating handle that toggles between an ergonomic pistol grip for cramped engine compartments and an in-line straight configuration for vertical downward reach. An automatic continuous pumping mode with a trigger lock maintains steady lubricant discharge without constant hand pressure, preventing finger fatigue during extensive lube routines. The dual-loading steel barrel accepts standard 14-ounce cartridges as well as bulk grease suction loading for NLGI #0, #1, and #2 lubricants.

The kit features a 39.4-inch flexible hose, double-sealed threads, a metal pressure relief valve, and four versatile couplers including 90-degree and locking nozzles. At 10.36 pounds, this tool is the heaviest in the lineup, making it better suited for plant machinery or service truck beds than constant overhead operation.

Cordless Grease Gun Compatible with DeWalt

Weighing only 5.64 pounds, this second Cordless Grease Gun Compatible with DeWalt from ZMPZMP provides high pressure in an agile bare-tool profile. Powered by any standard 20V battery pack including DCB200, DCB203, DCB204, and DCB205 units, its motor produces 12,000 PSI alongside a rapid 8.0 ounce per minute flow rate. This high discharge rate operates up to five times faster than manual lever guns on industrial machinery, agricultural tractors, and commercial vehicles.

The tool incorporates a dual-position handle that alternates between pistol and inline configurations, giving service technicians leverage when lubricating zerks located deep underneath chassis rails. An onboard LED work light brightens dark mechanical bays, while built-in electronic overload protection safeguards the motor assembly when encountering completely blocked fittings. Output volume is regulated through a pressure-sensitive variable-speed trigger that responds smoothly to light or firm trigger pulls.

Dual-loading support accommodates standard 14-ounce grease tubes and bulk suction filling using a reinforced steel barrel and a dependable T-handle plunger. Equipped with a 39-inch hose and four couplers, this unit represents an excellent mobile option for mechanics prioritizing low working weight, though the listing does not specify warranty duration.

DEWALT DCGG571BR 20V MAX Cordless Lithium-Ion

Best for: Value-focused commercial shop grease technicians

Pros

• Factory-tested DEWALT construction
• Pump debris filter screen
• Generous 42-inch hose length
• Variable-speed trigger control

Cons

• Listing includes bare tool only

The DEWALT DCGG571BR 20V MAX Cordless Lithium-Ion is an official factory-renewed bare tool engineered to deliver original equipment performance. Powered by a motor delivering up to 10,000 max PSI and pushing up to 5.0 ounces per minute through its high-volume pump, this dewalt dcgg571br delivers authentic industrial capability for commercial fleet maintenance. It provides professional technicians with a cost-effective way to acquire factory equipment without purchasing redundant batteries or charging stations.

Reach and contamination defense match original factory standards. The tool comes fitted with a 42-inch flexible whip hose that snakes easily past suspension leaf springs and hydraulic rams. A built-in pump filter screen prevents airborne contamination and grit from entering the precision pump cylinder, avoiding internal abrasion. The integrated no-mar foot design allows users to rest the tool flat on work surfaces, while the manual air-bleeder valve ensures rapid pump priming after grease cartridge changes.

In any rigorous dewalt grease gun comparison, the DCGG571BR provides authentic factory build quality, consistent variable-speed trigger responsiveness, and dependable operation. Technicians who already rely on a dewalt rivet gun 20v on maintenance trucks will appreciate the shared 20V battery platform and field-tested chassis durability.

CRESTWAVE 13000 PSI Electric Grease Gun

Best for: Unclogging stubborn frozen grease zerks

Pros

• Class-leading 13,000 PSI pressure
• Includes dual 39.4-inch hoses
• Ultra-light 3.09-pound bare tool
• Continuous lock-on trigger

Cons

• One-year warranty period

Delivering class-leading hydraulic force, the CRESTWAVE 13000 PSI Electric Grease Gun produces 13,000 PSI to break through calcified, stubborn grease zerks that lower-pressure guns cannot budge. Supplying 5.6 ounces per minute of flow, this electric grease gun compatible with dewalt batteries cuts manual lubrication time by up to 70 percent on excavators, loaders, and farm machinery. It mounts directly onto standard 20V MAX lithium-ion battery packs, including DCB200 through DCB206 models.

Accessibility is enhanced by two included 39.4-inch flexible hoses, ensuring maintenance crews have an immediate spare line or extended reach for awkward service points. The tool features an adjustable 2-in-1 rotating handle that shifts between a pistol grip and a straight grip, accompanied by an LED work light and a trigger lock-on switch for continuous lubrication. Tipping the scales at a remarkably light 3.09 pounds according to the listing, it reduces arm strain during overhead service tasks.

Dual loading capabilities allow mechanics to alternate between standard 14-ounce (400cc) tubes and economical bulk grease from pails across NLGI #0, #1, and #2 viscosity ratings. Backed by a 1-year warranty and 24/7 customer service, this best 20v grease gun for dewalt battery setups provides maximum line-busting pressure, giving way to genuine DEWALT models when mechanics require the factory 42-inch hose or internal pump filter screen.

DEWALT DCGG571M1R 20V MAX Cordless Lithium-Ion

Best for: High-throughput agricultural lubrication runs

Pros

• Dispenses 16 cartridges per charge
• High-volume 5.0 oz/min pump
• Protective pump filter screen
• Long 42-inch flexible hose

Cons

• Does not include storage case

The factory-renewed DEWALT DCGG571M1R 20V MAX Cordless Lithium-Ion is tailored for daily preventive maintenance across agriculture, manufacturing, MRO facilities, and automotive repair centers. Driven by an authentic 10,000 max PSI motor pushing up to 5.0 ounces per minute, this heavy-duty lubricator halves maintenance times compared to manual hand pumps. The listing states that an operator can dispense up to 16 full grease cartridges on a single charge when using a 4.0 Ah battery pack.

Operational access is handled through an extra-long 42-inch flexible hose, giving operators direct access to tucked-away agricultural grease nipples without hazardous body positioning. A front-mounted bright LED lights up grease zerks buried in dirty combine bellhousings or wheel hubs. The built-in pump filter screen prevents particulate contamination from reaching internal check valves, while the non-marring foot design prevents scratching vehicle paint or polished machine surfaces.

When deciding which dewalt grease gun to buy, the dewalt dcgg571m1r gives commercial fleet supervisors maximum throughput and genuine factory build quality. Maintenance crews who outfit work trailers with specialty cordless tools like a dewalt battery staple gun can deploy this lubricator across severe jobsite conditions with total confidence in DEWALT’s motor durability and precise variable-speed dosing.

Matching a Model to Your Setup

• Commercial truck fleet maintenance: DEWALT Grease Gun 20V MAX provides 10,000 PSI, 3-year warranty protection, and an integrated no-mar foot rest.
• Agricultural combines requiring fast bulk filling: Cordless Grease Gun Compatible with DeWalt (DEKARTOL) delivers 8.0 oz/min flow with a trigger lock and 12,000 PSI.
• Mobile equipment service on ladder racks: Cordless Grease Gun Compatible with DeWalt (ZMPZMP) provides 12,000 PSI in a 5.64-pound body with overload protection.
• Cost-conscious shop maintenance: DEWALT DCGG571BR 20V MAX Cordless Lithium-Ion offers factory-renewed 10,000 PSI performance with an internal pump filter screen.
• Clearing stubborn frozen or packed zerks: CRESTWAVE 13000 PSI Electric Grease Gun breaks clogs with 13,000 PSI, dual hoses, and an ultra-light 3.09-pound frame.
• High-volume industrial preventive maintenance: DEWALT DCGG571M1R 20V MAX Cordless Lithium-Ion delivers up to 16 cartridges per charge with factory variable-speed trigger control.

Before You Buy

All models reviewed here are sold strictly as bare tools, meaning neither lithium-ion battery packs nor charging stations come in the carton. While factory DEWALT models operate seamlessly with standard 20V MAX slide-style batteries, third-party compatible models rely on matching physical terminal interfaces and generally do not accommodate older 18V stem-style batteries. In addition, bare-tool packaging typically does not include hard storage cases or shoulder straps unless specifically listed in third-party bundle sets.

The listings for third-party alternatives explicitly confirm support for both 14-ounce cartridges and bulk grease suction loading across NLGI #0, #1, and #2 grades, whereas genuine DEWALT listings primarily emphasize standard 14-ounce cartridge loading and air-bleeder valve operation. Furthermore, while third-party models supply multi-angle coupler kits, original DEWALT bare tools ship with standard factory couplers, leaving specialized 90-degree quick-connect fittings or extreme reach extensions to be sourced separately.

FAQ

Will DEWALT 20V batteries work on third-party compatible grease guns?

Yes, the listings for compatible models from DEKARTOL, ZMPZMP, and CrestWave explicitly state complete compatibility with standard DEWALT 20V MAX lithium-ion battery packs, including DCB200, DCB201, DCB203, DCB204, DCB205, and DCB206 packs.

What is the benefit of a 42-inch grease gun hose over shorter versions?

A 42-inch hose, standard on genuine DEWALT models like the DCGG571B and DCGG571BR, provides the extra clearance needed to reach fittings behind dual wheels, beneath tractor frames, and inside excavator linkages without having to support or elevate the main pump unit by hand.

Can these grease guns pump bulk grease from a pail?

The third-party compatible units from DEKARTOL, ZMPZMP, and CrestWave explicitly feature dual-loading steel barrels with T-handle plungers designed for both 14-ounce cartridges and manual bulk grease suction. DEWALT factory listings highlight standard 14-ounce cartridge operation and air-bleeder priming.

Why does maximum PSI matter when choosing a cordless grease gun?

Higher maximum pressure, such as the 12,000 PSI found on compatible models or 13,000 PSI on the CrestWave model, provides greater mechanical force to power past dried, hardened grease and debris blocking stubborn grease zerks. Factory DEWALT models deliver 10,000 PSI, which is sufficient for standard fleet and industrial maintenance.

How does the variable speed trigger help during grease application?

A variable speed trigger gives technicians direct tactile control over flow rate. Pressing lightly allows delicate, low-volume lubrication for small bearings and sealed ball joints to avoid blowing out protective dust seals, while squeezing firmly delivers maximum flow for large suspension pins and pivot bushings.