Milwaukee 2646-20 M18 18V Lithium-Ion 2-Speed Cordless Grease Gun (Tool Only)

Model: miln2646-20
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Milwaukee 2646-20 M18 18V Lithium-Ion 2-Speed Cordless Grease Gun (Tool Only) Model: miln2646-20
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Product Features & specs :

Milwaukee 2646-20 M18 18V Lithium-Ion 2-Speed Cordless Grease Gun (Tool Only)

The M18 Cordless 2-Speed Grease Gun delivers maximum pressure and unmatched versatility, offering an industry leading 10,000 PSI max operating pressure and a patent pending pre-set grease counter that allows service and maintenance professionals to dispense precise amounts of grease. The tool’s 2-speed design offers users the ability to select between max pressure and max flow rate. Other unique features include an on-board LED light, a lock-on/lock-off trigger, and a plunger rod with markings to gauge how much grease is left in the barrel. The tool’s stand up design and shoulder strap capability offer user convenience, while limiting fatigue and the 48 in. flexible hose offers greater accessibility when greasing hard to reach fittings. The new tool is also compatible with a clear barrel accessory (49-16-2646). Powered by an M18 REDLITHIUM Battery pack (sold separately), this is the industry’s only 18V grease gun that’s battery is compatible with a system of tools.
  • Industry leading 10,000 PSI max operating pressure
  • New to world precision through Pre-set grease counter dial
  • Industry leading max flow rate of up to 10 oz. per minute
  • 48 in. flexible hose offers greater access to difficult to reach fittings
  • Air bleeder valve for quick priming
  • Lock-on/lock-off triggers deliver added user convenience
  • M18 REDLITHIUM System: Compatible with over 40 M18 Lithium-Ion solutions for greater versatility in the workplace
What’s Included:
  • M18 18V Cordless Lithium-Ion 2-Speed Grease Gun - 2646-20
  • 48 in. Flex Hose with Spring Guard
  • Tool Only - Battery and Charger Sold Separately
Power Source
UL Safety
Wifi compatibility
Batteries Included
Cylinder Capacity (Cartridge)
14.5 oz
Battery Type
Bluetooth Compatibility
Motor Type
Flow Rate(volume per minute)
10 oz/min at 10000 PSI
Battery Warranty
2 Year
Cylinder Capacity (Bulk)
16 oz
Charger Included
Operating Pressure (PSI)
CSA Safety
Hose Length
48 in
Case Included
ETL Safety
Battery System
20.8 in.
4.9 in.
10.3 in.
9.3 lbs.
Warranty Term
5 Year

Reviews :

4.8 / 5.0
56 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend this product?
Yes (27)
No (1)
Lightweight (9)
Powerful (3)
Easy To Use (2)
Battery Longevity (if applicable) (2)
Heavy (1)
Best Uses
Frequent Use (1)
Heavy Duty Requirements (1)
Large Projects (1)
Small Projects (1)
Hopefully Last Grease Gun I Ever Buy
So far so great. Love the long whip hose. Glad to be able to use my batteries from my other 18v Milwaukee tools.
May 14, 2020
18 Volt Grease Gun 2646-20
This grease gun is great! I almost got the 12Volt but glad I went with the 18V bc I did buy a new excavator and it has a ton of spots to grease. Plus I have 5 vehicles and do my own maintenance so makes greasing go way faster. The 18V just has more settings then the 12v from what I read. But I'm sure that one work great also. So I guess I should include I'm not a mechanic. I am a Master Plumber but know cars pretty well and do 99.5% of the work myself on the 5 trucks, van, cars, excavator, backhoe, and tow behind compressor. So this grease gun does get some use and I give it a 10.
April 9, 2020
Slick Greaser
This adjustable pressure 2 speed grease gun has a long 4 foot hose and is used daily by mechanics,excavators, farmers and more.
March 16, 2020
Would you recommend this product?
Easy To Use
Battery Longevity (if applicable)
I love this one and the name too.
December 13, 2019
6 months ago
Hands down best grease gun
I am a forklift technician and when it comes time for servicing I could have 10-20 at once. This cuts down so much time. The long hose makes a big difference on the hard-to-reach places. When there was a stubborn grease fitting that didn't want to take grease I used to have to take it off and clean it, well when you cut this baby back to 1 the grease is going to come out somewhere. Since I've had the gun I haven't had to clean out a fitting yet. Can't recommend this product enough.
December 8, 2019
Originally posted at
Love it
The grease gun works excellent I bought another already
September 3, 2019
Good but could be better
Great grease gun, i have 2 but one stripped the gears on 2nd speed after a few hundred tubes of grease. Other than that had no issues
August 4, 2019
Originally posted at
Grease gun works very well, long hose makes it very versatile, little on the heavy side but still can use one handed.
July 23, 2019
I love that thing it's my second one that's why I bought another one the first one second gear went out on it and I couldn't live without it I run heavy equipment for a living and at the end of the day I grease about for tractors so hoping this one to last longer than the other one I sent the other one to the shop and I got to go pick it up
May 16, 2019
Great Tool
This is the best tool ever made - saves time - effort.
May 13, 2019

Q & A :

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Browse 2 questions Browse 2 questions and 2 answers
Does this item come with a battery already attach to it because I see it just says bare tool-battery and charger not included
Craig on Jun 28, 2014
BEST ANSWER: No, this is a tool only. The battery and charger must be purchased separately.
Is there a storage case for grease guns?
Ken on Jun 23, 2014
BEST ANSWER: No, there is not a case included with the gun.