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  • 6.5 Peak HP Motor – Powerful suction picks up about 1 gallon of water per second
  • Scroll Noise Reduction® is a patented feature that provides quiet operation by precisely controlling the flow of air through the vac
  • Sturdy Cart, Push Handle, & Large Rear Wheels act together allowing the vac to travel easily up & down steps and across rough terrain
  • Quick Release Accessory Storage Bag keeps accessories close at hand but is quickly removable to make emptying debris from drum quick and easy
  • 2-Piece Drum Provides improved, more rugged construction to meet the higher demands found on the job site
  • 3-layer Fine Dust Filter captures fine dust particles such as dry wall dust
  • 7' Dual-Flex® Locking Hose resists collapsing and adds 180˚ flexibility at both hose ends. Hose locks onto vac for uninterrupted cleaning
  • Large Carry Handle allows easy lifting of vac into service vehicle
  • Long 20’ Cord wraps neatly around carry handle
  • Powerful exhaust airstream can be directed through the vac hose to blow debris from garages, decks, and sidewalks


Drum Size 16 Gallons (US)
Cord Length 20’
U.L. Listed Yes
Replacement Filters VF3502, VF5000, VF6000, VF7000
Accessory Size 2-1/2"
Shipping Weight 32.8 lbs.
Net Weight 28.2 lbs.


Peak HP 6.5
Air Watts 306
Voltage 120
CFM 203
Amps 12.0

Support Documents

16 Gallon Wet/Dry Vac With Cart is rated 4.8 out of 5 by 260.
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Rated 5 out of 5 by from quiet and powerful! needed a shop vac to hook to my ridged power tools and this fit the bill
Date published: 2017-03-10
Rated 5 out of 5 by from Great Vacuum This thing will literally, to coin a phrase, "suck the chrome off of a trailer hitch". Great suction, easy to move around, I especially like the latch on the hose that keeps it from being pulled from the vacuum intake as you lead the vacuum around by pulling on the hose, which we all do. I bought it because it had a decibel rating much lower than the next model down. Still pretty loud but for a 6.5 HP motor it isn't bad. I would recommend this vacuum to anyone.
Date published: 2017-03-09
Rated 1 out of 5 by from Disappointed in quality. I have an older Shopvac that needed to be replaced. The slide switch for on/off failed in the "on" position, which meant that it had to be plugged and unplugged to operate it. I am a thorough shopper and reviewed many vacuums and their respective ratings before settling on this particular Ridgid model. I should also mention that I own several Ridgid power tools and think highly of them, and this was a positive factor in my decision. When the box was opened and the various components removed, I found a plastic piece loose in the bottom of the cannister that, upon examination, had broken off the underside of the motor assembly. I'm not sure what function it served and /attempted without success to glue it back with super glue. I went ahead with assembly and found that the tubular metal handle would not fit into either of the molded holes on the sides of the cannister. The OD of the tubing was much larger than the ID of the holes, and after pushing the handle down with force (as shown in the illustration in the instructions), I had difficulty getting the handle back out. As far as I was concerned, this rendered the unit useless as the handle would have to be removed for storage. After running into these problems, I examined the various accessories. The hose is 7 feet long - one foot shorter than the old Shopvac hose and of considerably less quality. The various other attachments were also of very poor quality compared to the old Shopvac, and the unit didn't even include a brush. All this for 159 bucks! I returned it and solved the Shopvac problem by buying a remote controlled power plug at Amazon for 12 bucks. I'm a Home Depot fan but willl be very careful in buying Ridgid products again.
Date published: 2017-03-09
Rated 5 out of 5 by from Quiet vac with plenty of suction. What more could you ask for? Are use this vacuum for dust collection and it works great. He collects almost 100% of router chips and plain chips.
Date published: 2017-02-27
Rated 4 out of 5 by from Solid garage vac Original box had missing parts and Ridgid sent them promptly. Sturdy plastic construction, powerful, convenient features. Did not include a brush attachment and costly filter requires frequent replacement.
Date published: 2017-02-24
Rated 5 out of 5 by from Extremely solid vac Very well designed vac. The tall handle and attachment holder are such great features to have. Extremely helpful. The vac rolls around very easily on the four casters. It seems to be built very solidly. The vacuum strength is as good or better than any vacuum I've used, just isn't shockingly powerful.
Date published: 2017-02-22
Rated 5 out of 5 by from Clearly superior to other brands I've owned. The vac is powerful, relatively quiet, very stable and easy to move around the shop. This vac performs!! It's my third RIDGID tool purchase and I'm impressed with all three.
Date published: 2017-02-21
Rated 5 out of 5 by from quiet extremely great shopvac very quiet and lots of suction.
Date published: 2017-02-21
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what is the max lift and CFM of this vac

Asked by: RickG
20 pounds, maybe more. CFM 160
Answered by: papabob3247
Date published: 2015-04-25

I have the WD16650 model and want to know if a filter bag is made for it?

Asked by: Bakodude
Yes the make filter bags for the wd166
Answered by: Colt
Date published: 2017-02-05


If a airwatts are 0.117354 * (CFM) * (inches water), then do I calculate correctly that this model no. WD1851 will lift water 12.8 inches high? 306 watts * (1/0.117354) * (1/203 CFM) = 12.8 inches of water I feel like that number is way too low - I'm sure your product lifts water more than 1 foot high! I may have the calculation wrong or the pressure may be specified another way. What do the units of "G/h" mean? Besides, it seems like an odd coincidence that this is almost exactly the inches for model WD4070 when the WD4070 is rated 5.0 peak HP and the model on this page is rated 6.5 peak HP. Thank you for the help.
Asked by: Jacob
You are right it would lift water more like 10 ft.
Answered by: Gasman1
Date published: 2015-04-11

I registered my vac and I was wondering if that means it is now under warranty? Or do I have to call the number to do that?

Asked by: Crystal
Hi Crystal, RIDGID Wet/Dry Vacs come with a lifetime warranty against manufacturing and material defects from the date of purchase. There's is no need to call to activate the warranty. If you have any further questions or concerns, feel free to call us at 1-800-4-RIDGID (1-800-474-3443) or you may send your email to [email protected] Regards, RIDGID
Answered by: RIDGIDvacs
Date published: 2016-12-12
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