Tools Reviews

Ridgid 18V Cordless Grease Gun Review R860445

Ridgid’s 18v cordless grease gun was worth the wait

There have been many requests for a Ridgid cordless grease gun. The Ridgid 18V Cordless Grease Gun not only fills the gap, but also answers with a design that’s much more than simple.


  • 10,000 PSI maximum pressure and 9 ounces per minute maximum speed
  • 2 speeds to choose from
  • Preset fat counter
  • Brushless motor
  • Excellent kit value at $199


Performance of the Ridgid 18V Cordless Grease Gun

Ridgid reaches a maximum of 10,000 PSI and can press up to 9 ounces of fat per minute. This speed keeps up with the best cordless models available, but they take it a step further with two working speeds.

We reached out to PTR reviewer Luke Smith to work on farm equipment maintenance and see how the design compares to the commonly used manual grease guns.

Two speeds

Most of the gear just needed topping up, and low speed was definitely the way to go for different needs at each joint. High speed delivers serious greasy dynamics and filled some of those points too quickly.

When you first fill a grease fitting or know it’s critically low, the focus is on high speed.

Similar to a 2-speed drill, you get the most pressure at low speed and the fastest fill at high speed.

Fill presets

However, the measurements on the preset dial are not based on ounces or milliliters. It’s a piston stroke count, so you’ll need to experiment a little as you get used to the specific greases you’re using. It also resets on each trigger. If you set it for 20 piston strokes and release the trigger after 8, it’ll be ready to deliver another 20 when you pull the trigger again.

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For jobs that require more stuffing, the lock-on switch is pretty helpful. Even if you use the presets, that’s no excuse to set them and forget them. So make sure you actively monitor the filling process.


Runtime is solid thanks to Ridgid’s choice of a brushless motor. According to their information, you can expect up to 23 cartridges with a 4.0Ah battery. That changes somewhat with the thickness/viscosity of the grease used.

Design notes for the Ridgid 18V Cordless Grease Gun


The grease gun alone weighs about 7.5 pounds and increases from there with a battery and a full grease cartridge. It didn’t feel unwieldy to us at all, considering we put it on the ground or gear when filling. If you need to hold it while filling or just want to take the weight off your arms, Ridgid includes a shoulder strap.

handle ergonomics

Ridgid takes the basic handle design of its pistol grip drills and screwdrivers. It has a comfortable fit and the angle is more comfortable than some other designs we’ve used.

Additional functions

  • vent valve
  • 39 inch hose
  • Able to load the tube from large grease tanks
  • LED light
  • Includes right angle coupler
  • Works with all Ridgid 18V batteries

Ridgid 18V cordless grease gun price

There are a few ways to get your hands on Ridgid’s cordless grease gun. As a pure tool, it costs $179. There’s also a kit that includes a 2.0Ah battery and charger for $199. As long as that price holds, snagging the kit is a no-brainer.

The final result

It took Ridgid a while to get their cordless grease gun to The Home Depot, but it was worth the wait. It has the power to keep up with the best in the game, with some really helpful features that make servicing your gear more convenient.

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Specifications of the Ridgid 18 volt brushless grease gun

  • Model: Ridgid R860445
  • Motor: Brushed
  • Max. flow rate: 10,000 psi or 9 oz./min
  • Height: 10.1 inches
  • Depth: 4.2 inches
  • Width: 4.2 inches
  • Weight: 7.5 pounds.
  • Warranty: Lifetime Service Agreement
  • Price: $179 (bare tool)

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