Top 10 Cordless Grease Guns in 2027 — Best Overall plus Best Value

Direct Answer

The best cordless grease gun in 2027 is the Milwaukee M18 2-Speed Grease Gun (2646-20) at $199 bare, our Best Overall pick for its 10,000 PSI ceiling, true two-speed motor, and the deepest battery platform any tradesperson is likely to already own. The smartest Best Value buy is the Ryobi ONE+ 18V Grease Gun (P3410) at $149 tool-only (often $90 on sale), which pushes the same 10,000 PSI and a brisk 7.5 oz/min through a 30-inch hose for roughly half the price of pro-grade kits.

This list is for auto DIYers, fleet techs, farmers, and heavy-equipment mechanics deciding between platforms, pressure, and price — from a homeowner greasing a trailer to a farm hand lubing a baler.

How We Ranked the Top 10

We weighted real, currently-shipping models on the specs that actually matter when a Zerk fitting is jammed with old grease and you are flat on your back under a tractor. We pulled published specs from manufacturer sheets and cross-checked output and durability against Pro Tool Reviews, ToolGuyd, The Drive, Family Handyman, and farm and fleet forums like Yesterday's Tractors and The Garage Journal.

• Max pressure (PSI) — 25%
• Grease output / flow (oz/min) — 20%
• Battery platform plus runtime — 15%
• Hose, follower, and air-bleeder valve — 15%
• Build and ergonomics — 15%
• Price-to-performance — 10%

1. Milwaukee M18 2-Speed Grease Gun (2646-20) 🏆 BEST OVERALL

Price: $199 (bare) | Best for: Pros and fleet techs already on the M18 platform

The Milwaukee M18 2646-20 is the cordless grease gun most pros reach for, and the specs back it up: a 10,000 PSI max operating pressure with a genuine two-speed motor that delivers up to 10 oz/min on high for fast bearing fills and drops to 3.5 oz/min on low to grind through stubborn fittings at full pressure.

It runs a standard 14 oz cartridge or bulk fill, ships with a 48-inch hose, an air-bleeder valve for priming, and a spring-loaded follower that makes cartridge swaps painless. One M18 REDLITHIUM pack dispenses up to 10 cartridges per charge, and you almost certainly own the batteries already.

Pros:

• True two-speed motor — flow when you want it, pressure when you need it
• Up to 10 cartridges per charge on a single M18 pack
• Massive M18 battery ecosystem you likely already own
• 48-inch hose reaches awkward fittings without repositioning

Cons:

• Heavier than the M12 at roughly 9 lbs with battery
• Bare-tool price climbs fast once you add a high-capacity pack

Verdict: The most complete cordless grease gun in 2027 — buy it if you live on the M18 platform.

2. Ryobi ONE+ 18V Grease Gun (P3410) 💎 BEST VALUE

Price: $149 (tool-only, often $90 on sale) | Best for: Homeowners and DIYers on a budget

The Ryobi P3410 is the value champion of cordless grease guns. It matches the pros on headline pressure at 10,000 PSI, moves a quick 7.5 oz/min, and includes an air-bleeder valve to prime the pump and an onboard LED light — all for a fraction of the cost. The 30-inch flexible hose reaches most fittings, it takes a standard 14 oz cartridge or bulk fill, and a 4.0 Ah ONE+ pack pumps up to 19 cartridges per charge.

If you own any of Ryobi's enormous ONE+ lineup, this is the easiest yes on the list.

Pros:

• 10,000 PSI at a homeowner price — no real compromise on pressure
• Up to 19 cartridges per charge on a 4.0 Ah pack
• Air-bleeder valve plus LED that pricier guns charge extra for
• ONE+ platform shared with 280-plus other tools

Cons:

• Single-speed — no low-speed high-pressure mode
• Shorter 30-inch hose than the pro kits

Verdict: The best grease gun for the money in 2027 — unbeatable if you are already a Ryobi household.

3. DEWALT 20V MAX Grease Gun Kit (DCGG571M1)

Price: $259 | Best for: DEWALT 20V owners who want a long hose

The DEWALT DCGG571M1 is the most popular cordless grease gun on the market and carries a 4.8-star average across thousands of reviews. It delivers 10,000 PSI, a steady 5 oz/min through a variable-speed trigger, and the longest hose here at a generous 42 inches.

A single 4.0 Ah DEWALT 20V MAX pack pushes up to 16 cartridges per charge, and the kit adds a bright LED, a pump filter screen to keep grit out, and an air-bleeder to prime. It runs 14 oz cartridges or bulk fill with a smooth follower.

Pros:

• 42-inch hose is the longest on this list
• Variable-speed trigger for fine flow control
• Pump filter screen protects internals from contamination
• 16 cartridges per charge on a 4.0 Ah pack

Cons:

• Single-speed motor caps peak flow at 5 oz/min
• Priciest of the mainstream big-three kits

Verdict: A superb pick for DEWALT 20V owners who value hose reach over raw flow.

4. Lincoln PowerLuber 1884 (20V)

Price: $329 | Best for: Heavy-equipment and industrial mechanics

Lincoln is the original name in grease guns, and the PowerLuber 1884 is the industrial benchmark. Its two-speed motor holds 10,000 PSI in both high- and low-output modes, so you never trade pressure for speed on a packed fitting. The kit ships with two 20V Li-ion packs, a 36-inch hose, a three-point base for stability, comfort grip, and a built-in LED.

It takes 14 oz cartridges with a reliable follower and is backed by a 5-year tool warranty. At about 14 lbs as a kit it is no featherweight, but it is built for daily abuse.

Pros:

• 10,000 PSI held in both speed modes — rare and genuinely useful
• Two batteries included so one is always charging
• 5-year tool warranty signals industrial durability
• Three-point base keeps it stable between fittings

Cons:

• Heaviest kit here at roughly 14 lbs
• Premium price puts it above the big-three

Verdict: The workhorse for fleet and farm pros who grease all day, every day.

5. Makita XPG01 18V LXT Grease Gun

Price: $239 (bare) | Best for: Makita LXT owners wanting top flow

The Makita XPG01 ties the field for raw speed, pushing up to 10 oz/min at 10,000 PSI through the longest pro hose here, a 47-inch flexible line. It uses an auto-speed mode that ramps with a variable-speed trigger, twin LED lights to spotlight hidden Zerks, a stand-up design with shoulder strap, an air-bleed valve, and a lock-on button for continuous flow.

It runs 14 oz cartridges or bulk fill with a smooth follower, and at about 11 lbs it stays manageable for a high-output gun.

Pros:

• 10 oz/min top flow ties the M18 for fastest fills
• 47-inch hose plus shoulder strap for big equipment
• Twin LED lights for finding fittings in the dark
• Auto-speed trigger balances flow and pressure

Cons:

• Bare-tool only — battery and charger cost extra
• No dedicated low-speed-only high-pressure setting

Verdict: The high-flow choice for Makita LXT owners working large machinery.

6. Milwaukee M12 2-Speed Grease Gun (2446-20)

Price: $199 | Best for: Auto techs who value a light, compact gun

The Milwaukee M12 2446-20 trades some muscle for portability. It still hits a strong 8,000 PSI with a flow around 2.6 oz/min, runs a 36-inch hose, includes an air-bleeder valve, and weighs just 7.2 lbs — the most one-hand-friendly gun here. A REDLITHIUM M12 pack dispenses up to 7 cartridges per charge.

It takes 14 oz cartridges or bulk fill with a follower. For tight engine bays and under-car work where the bigger M18 feels clumsy, the M12 is the better tool.

Pros:

• Just 7.2 lbs — easiest to wield one-handed
• 8,000 PSI still clears most automotive fittings
• Compact 14-inch body fits tight spaces
• M12 platform shared with a huge sub-compact lineup

Cons:

• Lower 2.6 oz/min flow means slower large-bearing fills
• Only 7 cartridges per charge

Verdict: The nimble pick for auto techs who prize maneuverability over flow.

7. Lincoln PowerLuber 1264 (12V)

Price: $229 | Best for: Buyers wanting Lincoln durability in a lighter gun

The Lincoln 1264 brings the brand's industrial pedigree to a lighter 12V platform. It is single-speed at 8,000 PSI, ships with a 30-inch high-pressure hose, a three-point base, comfort grip, and a built-in LED, and includes a 12V Li-ion pack, charger, and case.

It runs standard 14 oz cartridges with a dependable follower and carries the same 5-year tool warranty as its bigger sibling. It is the value entry into Lincoln's lineup for techs who do not need 10,000 PSI.

Pros:

• Lincoln build quality in a lighter 12V body
• 5-year tool warranty like the flagship
• Three-point base for stability between fittings
• Complete kit with battery, charger, and case

Cons:

• Single-speed and capped at 8,000 PSI
• Pricey for a 12V single-speed gun

Verdict: Pick it when you want Lincoln reliability without the weight of the 1884.

8. Metabo FP 18 LTX Cordless Grease Gun (18V)

Price: $349 | Best for: Industrial users who want precise dosing

The Metabo FP 18 LTX is the precision instrument of the group. It tops out near 10,000 PSI (690 bar) and uses a 10-position thumbwheel to dial in either high pressure or high flow per job — far finer control than a simple two-speed switch. It supports three-way filling (cartridge, container, or direct fill), a switch lock for continuous mode, and a housing LED.

Built on Metabo's 18V LTX platform with a smooth follower and air-bleed, it targets industrial maintenance crews who meter grease deliberately rather than blasting it.

Pros:

• 10-step pressure/flow thumbwheel for true dosing control
• Three-way filling — cartridge, bulk, or direct
• Switch lock for hands-free continuous mode
• Industrial 18V LTX build

Cons:

• Highest price on the list
• Smaller LTX battery ecosystem in North America

Verdict: The metering specialist for industrial crews who grease by the gram.

9. Bauer 20V Variable-Speed Grease Gun (Harbor Freight)

Price: $99 (tool-only) | Best for: Occasional users who want cordless cheap

Harbor Freight's Bauer 20V grease gun is the budget cordless entry that undercuts everyone. It offers a variable-speed trigger, a useful pressure level for most automotive and trailer fittings, an air-bleeder valve to prime, a flexible hose, and a built-in LED. It runs standard 14 oz cartridges with a follower and joins Harbor Freight's growing Bauer 20V platform.

It will not match a Milwaukee on duty cycle, but for a homeowner who greases a trailer and mower a few times a season, it is hard to argue with the price.

Pros:

• Lowest cordless price at about $99 tool-only
• Variable-speed trigger plus air-bleeder
• Bauer 20V platform for casual DIY shops
• Standard 14 oz cartridge compatibility

Cons:

• Lower duty cycle than pro-grade guns
• Smaller, less proven battery platform

Verdict: The cheapest way into cordless greasing for light, occasional use.

10. Astro Pneumatic 7700 Cordless Grease Gun

Price: $159 | Best for: Independent shops outside the big battery brands

The Astro Pneumatic 7700 is a capable platform-neutral cordless gun for shops that do not want to commit to Milwaukee, DEWALT, or Makita batteries. It delivers strong working pressure for automotive and light-fleet fittings, includes a flexible hose, an air-bleeder valve to clear air pockets, an onboard LED, and runs standard 14 oz cartridges with a follower.

As a tool-focused brand rather than a platform play, Astro Pneumatic competes on standalone value, and the 7700 lands as a sensible mid-priced choice for the independent tech.

Pros:

• Platform-neutral — no battery lock-in
• Air-bleeder valve for fast priming
• Standard 14 oz cartridge support
• Mid-tier price under the big-three kits

Cons:

• No shared battery ecosystem to leverage
• Lower brand-wide tool support than the majors

Verdict: A solid platform-free pick for independent shops avoiding battery lock-in.

Buyer Decision Tree — Which One's Right for You?

What to Look For When Buying a Cordless Grease Gun

• Max pressure (PSI): For stubborn, packed, or cold fittings, look for 10,000 PSI. An 8,000 PSI gun like the M12 or 1264 clears most automotive Zerks but can stall on neglected farm equipment.
• Grease output (oz/min): High flow (7.5 to 10 oz/min) saves real time on big bearings; low flow with high pressure is what frees a clogged fitting. Two-speed guns give you both.
• Battery platform you already own: This is often the deciding factor. Buying into the M18, 20V MAX, LXT, or ONE+ pack you already have saves hundreds versus a new ecosystem.
• Hose length and air-bleeder valve: A 36-to-48-inch hose reaches fittings without moving the gun, and an air-bleeder valve is essential for priming the pump and clearing air pockets after a cartridge swap.
• Cartridge versus bulk fill: Standard 14 oz cartridges are the easy default; bulk fill saves money at volume. The best guns do both.
• Follower: A spring-loaded follower makes refills clean and fast and helps prevent air locks.
• Build and ergonomics: Weight, base stability, LED placement, and grip matter when you grease dozens of fittings a shift.
• When manual still wins: For a single trailer hub once a year, a $25 manual lever gun is lighter, cheaper, and never needs charging.

What matters less than marketing implies: headline cartridges-per-charge numbers (most users top off the battery long before draining it) and onboard digital counters. Pressure, flow, and the battery you already own decide satisfaction far more than spec-sheet flourishes.

FAQ

What PSI do I actually need in a cordless grease gun? For everyday automotive and trailer work, 8,000 PSI is plenty. For neglected farm and heavy equipment with packed fittings, choose 10,000 PSI and ideally a two-speed gun so you can hold full pressure at low flow.

Is a cordless grease gun worth it over a manual lever gun? Yes, if you grease more than a handful of fittings regularly. Cordless guns save your hands, prime faster with an air-bleeder valve, and meter grease more evenly. For one annual job, a manual gun is still the cheaper, simpler tool.

Which battery platform is best for a grease gun? The one you already own. Milwaukee M18, DEWALT 20V MAX, Makita LXT, and Ryobi ONE+ all make excellent 10,000 PSI guns, so buy the one matching your existing packs and skip a second charger.

Why does my cordless grease gun stop pumping grease? Almost always an air pocket. Open the air-bleeder valve to prime the pump, make sure the follower rod is engaged, and confirm the cartridge seated cleanly. Air-locking after a swap is the number-one cause of a gun that runs but moves no grease.

Can I use bulk grease instead of cartridges? Most guns on this list accept bulk (suction) fill as well as standard 14 oz cartridges. Bulk is cheaper at volume but messier; cartridges are faster and cleaner for occasional use.

How many cartridges does one charge last? It varies widely — about 7 on the compact M12, up to 16 on the DEWALT, and as many as 19 on the Ryobi with a 4.0 Ah pack. Real-world users rarely drain a battery before topping off.

Bottom Line

The Milwaukee M18 2646-20 at $199 is our Best Overall cordless grease gun for 2027 — a true two-speed, 10,000 PSI tool on the deepest battery platform in the trades. For the best money, the Ryobi ONE+ P3410 at $149 (often $90 on sale) is the clear Best Value, matching the pros on pressure for roughly half the price.

If you are on a different platform or have a specific job in mind, run the decision tree above to land on the right pick for your shop.

Sources

• Milwaukee Tool — M18 Cordless 2-Speed Grease Gun (2646-20)
• Milwaukee Tool — M12 Cordless Lithium-Ion Grease Gun (2446-20)
• DEWALT — 20V MAX Grease Gun Kit (DCGG571M1)
• Ryobi — 18V ONE+ Grease Gun (P3410)
• Makita — XPG01 18V LXT Cordless Grease Gun
• Pro Tool Reviews — Makita Cordless Grease Gun Review
• Lincoln Industrial — PowerLuber 1884 (20V) at Northern Tool
• Lincoln Industrial — PowerLuber 1264 (12V) at Northern Tool
• Metabo — FP 18 LTX Cordless Grease Gun spec sheet
• Harbor Freight — Bauer 20V Variable-Speed Grease Gun
• Genuine Tools — Milwaukee Grease Gun M12 vs M18 specs and price

*Grease gun review — cordless grease gun reviews, rating, best grease gun 2027, and a review of the top automotive and fleet picks for buyers.*