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General Pump Hammerhead Semi-Pro 20" Surface Cleaner w/ ABS Housing & Greasable Zerk

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General Pump Pressure Washers and Accessories
Model: DCFSCP20GZ
(Based on expert analysis, manufacturer ratings and customer reviews)

4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5
43 Reviews
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  • Features
  • Specs
  • 7
    Q&A 
  • 43
    Reviews
  • Articles
  • Shipping
  • Accessories
Grade
Style
Inflow
3/8
3/8" Snap Coupler (Female)
Outflow
Surface Cleaner
Surface Cleaner
Hammerhead Flat Surface Cleaner
Hovers above the surface just like the shark

Patented Compensating Spray Gun
Helps reduce operator's arm & shoulder fatigue

Prosumer Grade
Rugged ABS cover resists rust & corrosion
Designed for pressure washers up to 4000 PSI (8 GPM)
Requires at least 3 GPM to work properly

Spray Skirt Around Cover
Stiff 2" bristles keep the high pressure water contained

Works With Cold or Warm Water
Withstands temperatures up to 180 F
Operates efficiently from 2000 PSI to 4000 PSI

Greasable Zerk
Servicable Swivel with much longer service life
Must grease zerk each use


Accessories
Accessory Grade
Prosumer
Accessory Style
Gas
Inflow
3/8" Snap Coupler (Female)
Outflow
Surface Cleaner
Minimum GPM Gallon per Minute
3
Maximum GPM Gallon per Minute
8
Rated PSI
4000 PSI
Overview
Weight
17 Pounds
Product Length
20 Inches
Product Width
20 Inches
Product Height
70 Inches
Consumer Warranty
30 Days
UPC
682491072072
Model
DCFSCP20GZ
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  7 Questions
Q: BRIAN, Hi I will start my pressure washer bussines pretty soon, Can You recommend me what equipment is good for professional beginners since I just have less than 1700 dollars.

I appreciate You help,

by JAIME SANCHEZ from Texas on August 07, 2016

A: We have a good selection of Start Your Own Business Kits available for a variety of budgets.

You may also find this How To Start Or Expand Your Business article from our How-To Library helpful. Here you will also find How-To tips for specific cleaning projects.
by Brian, Product Expert
Q: Does the Hammerhead surface cleaner include the 3/8" socket high pressure quick connector required to connect it with my pressure washer hose?

If not, are the threads on the surface cleaner male or female?

by Craig from Washington on July 10, 2016

A: General Pump tells us this comes with a 3/8" female quick connect socket- we show the picture in one of the orange boxes across the top of the Features section.
by Brian, Product Expert
Q: Afternoon Mike,
Quick question? My Hammerhead 20' doesn't have a Zerk to add grease? Use it, love it, but concerned it's going to burn-up. Checked the top and bottom, no attachment? Bought it from you'll about 2 months ago. Did I get an old one or is there another way to lubricate it? Thanks

by JC Charles from Florida on June 28, 2016

A: Can you forward your model number or order number? We offer two one with a zerk and one without which does not offer a grease option.
by Brian, Product Expert
Q: I have purchased this model: ALH3228-S from you a few weeks ago. What would be the best surface cleaner for my machine? Alot of the reviews for the 16" cleaner say that a 3200 psi has a hard time running a surface cleaner rated from 3100-4000.
by Wes from Texas on June 27, 2016

A: The Simpson 15" Surface Cleaner rated to 3400 PSI was designed to work with your pressure washer; since your pressure is near the top of the rating you would get good performance from it.

Your pressure washer at 2.8 GPM doesn't deliver enough water volume to drive either of the 16" surface cleaners we sell. The Specs tabs show the BE unit needs at least 3.5 GPM to operate properly, and the Eagle unit needs 4 GPM minimum.
by Brian, Product Expert
Q: What type of grease do I use for the zerk fitting?
by Margaret Mulberry from Illinois on April 26, 2016

A: Grease the swivel with one or two grease gun pumps every 200 hours (or once about every 30 days of use). Use No. 2 general purpose waterproof lithium grease. For hotter water applications, use a quality high temperature grease.
by Brian, Product Expert
Q: What's the minimum PSI to operate this unit?
by Tom from Pennsylvania on January 07, 2016

A: The minimum PSI is 2000 but the most important thing is the GPM rating. The GPM needs to be AT LEAST 3.0 or the arm bar of the surface cleaner will not spin properly and cause streaking.
by Brian, Product Expert
Q: I have a small space I am trying to fit this under. What is the minimum clearance height I can use this with to get under and in my tight space?
by Margaret Mulberry from Illinois on September 16, 2015

A: You are able to get this in a space as low as 18" off the ground.
by Brian, Product Expert
General Pump DCFSCP20GZ Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5
Pros
Easy To Use (14)
Fast (8)
I'd Buy It Again (8)
Light Weight (6)
High Quality (5)
Cons
Bad Instructions (2)
none (1)
None so far (1)
The instructions could h... (1)
This unit is a bit heavy... (1)
98% of respondents would recommend this product to a friend
43 Reviews  Sort by 
 
Brian, the Pressure Washer Expert
Pressure Washer Expert

Product Expert
Total Reviews
122 Reviews
Total Helpful Votes
5786 Helpful Votes
Pressure Washers Direct Recommended

The Hammerhead Surface Cleaner is considered prosumer-grade. You can either consider it an extremely expensive consumer-grade surface cleaner. Or, it's a very inexpensive professional-grade unit.

That choice is up to you.

We love it because it's durable. The Hammerhead features a composite housing - not some cheap plastic cover. Plus, it includes a hearty handle. Simply snap your high pressure hose into the trigger gun on the handle.

The Hammerhead actually hovers over the... more
Brian Recommends This Model
Was this review helpful?
7311
Don V.
Spring Hill, FL
Purchased from Pressure Washers Direct
Purchased 9/30/15
Most Helpful Positive Review
REVIEWED
SEP.
28
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Awesome Surface Cleaner!
I bought one of these with a kit in 2010. Last week mine fell off the trailer and was lost- by the time I turned around it was gone, so I went to my pressure washing supply house and bought a Whisper Wash that was twice as expensive as the Hammerhead.

When I hooked it up to use on a pool deck I stopped after about 3 minutes and called the supply house to say that the new, over-priced unit was not 1/2 as good as my 18-inch Hammerhead. So I ordered another awesome Hammerhead from Pressure... more
Pros: Easy To Use, Fast, Reliable, High Quality
Don Recommends This General Pump Product
Don's Experience With Pressure Washers Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"I have used Pressure Washers Direct 3 times now and every time they come through for me! Thanks everyone."
 more
Brian, the Pressure Washer Expert
Product Expert
Don,
You are most welcome- we thank you for your continued business!
Was this review helpful?
51
Richard S.
Waccabuc, NY
Purchased from Pressure Washers Direct
Purchased 4/26/17
REVIEWED
MAY.
20
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Pressure Washer Accessory
At first bought an Amazon "special" for $60.00. Returned it to get this. No comparison.

Made quick work of my large concrete pool deck. Wish I had more uses for this, it's away until next year.
In the long run, it will save me money.

Highly recommended (and I am a 50+ year old dentist)!
Pros: Easy To Use, I'd Buy It Again, Fast, High Quality
Richard Recommends This General Pump Product
Richard's Experience With Pressure Washers Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"As usual, huge selection of name brand stuff at lowest price anywhere."
 more
Was this review helpful?
00
Don W.
Central, FL
Purchased from Pressure Washers Direct
Purchased 4/26/17
REVIEWED
MAY.
19
2017
4 out of 54 out of 54 out of 54 out of 54 out of 5
This Is The Second Hammerhead I Have Had
We have a large patio along with basketball court at our church. Prior to my first Hammerhead 20" Scrubber it took five people and two pressure washers using a standard gun about ten hours to complete the job. The quality of our work
was fair at the best, the streaks left on the surface left a lot to be desired.

I purchased a 20" Hammerhead and the job with three people took only four hours to do and no streaks to be found.
Pros: Easy To Use, Fast, Price, Reliable
Don Recommends This General Pump Product
Don's Experience With Pressure Washers Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Easy company to deal with. Never had a issue, always performed as expected."
 more
Was this review helpful?
00
Karl K,
Sherrills Ford, NC
Purchased from Pressure Washers Direct
Purchased 4/23/17
Total Reviews
2 Reviews
REVIEWED
MAY.
17
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Works Like Expected
Washer came within 5 days, assembly was straight forward. Have used it about 10 hrs, it works like expected. Appears to be smoother than an older one that I have used.
Pros: Easy To Use, I'd Buy It Again, High Quality, Price
Karl Recommends This General Pump Product
Was this review helpful?
00
Ricky S.
Milton, FL
Purchased from Pressure Washers Direct
Purchased 4/22/17
REVIEWED
MAY.
15
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Product
Great product.
Pros: Easy To Use, I'd Buy It Again, Light Weight, Exceeded Expectations
Ricky Recommends This General Pump Product
Ricky's Experience With Pressure Washers Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Great people to deal with."
 more
Was this review helpful?
00
Donald F.
West Lake Hills, TX
Purchased from Pressure Washers Direct
Purchased 4/3/17
REVIEWED
MAY.
07
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Works Great With Smaller Pressure Washer
The surface washer does a good job even with a 3000 psi, 2.5 gallon per minute pressure washer. On exposed aggregate, it leaves streaks. I have to overlap each pass by a third of the width so that an area gets three passes. Works great on slate.

I suspect that the low rate of water flow (smaller than recommended pump) causes the released dirt to hang around. I have to spray it off with the wand.

Switching back and forth between the wand and the surface washer was made easier by... more
Pros: Easy To Use, Fast, Light Weight, I'd Buy It Again
Donald Recommends This General Pump Product
Was this review helpful?
00
Noel B.
Union Grove, AL
Purchased from Pressure Washers Direct
Purchased 7/31/16
REVIEWED
OCT.
20
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Product, Used Several Hours Quickly!!!
We have large areas that need pressure washing a few times each year since our home, driveway, patios and walkways are all in wooded areas. We have a 3800 PSI pressure washer. We tried several of the attachable rotor heads and they broke within a few minutes to a few hours.

After much frustration and disappointment, we purchased the "General Pump Hammerhead Surface Cleaner" and have already used it 6-8 hours during my initial use. I am extremely pleased with the performance... more
Noel Recommends This General Pump Product
Was this review helpful?
20
Herb M.
Lake Jackson, TX
Purchased from Pressure Washers Direct
Purchased 9/16/16
REVIEWED
OCT.
10
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Works Like A Charm!
I have a extremely long driveway. In the past I rented a surface cleaner from Home Depot but had trouble with their rental. I bought the Hammerhead Semi-Pro 20".

Although I have only used it once since purchasing it in September 2016, I was very pleased with the performance. It worked like a charm!
Herb Recommends This General Pump Product
Was this review helpful?
20
Ronald K.
Havelock, NC
Purchased from Pressure Washers Direct
Purchased 6/10/16
REVIEWED
JUL.
05
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Best Money I Ever Spent !!
Well cleaning my driveway for the past several years at 3 to 4 inches every stroke. It was just depressing when it came time to do it. It took all day to do my driveway and sidewalks.

With this new unit it takes me less than 2 hours- best money I ever spent !!!
Ronald Recommends This General Pump Product
Was this review helpful?
20
Dave W.
Stuart, FL
Purchased from Pressure Washers Direct
Purchased 5/9/16
Total Reviews
3 Reviews
REVIEWED
JUN.
25
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
It Works !!
Knocked my time actually doing what needed to be done by two thirds.

The bars need to be bent up at a different angle. When you go forward, the rear of the deck comes up. Works perfect when pulling it backwards.... Might add some weight on the rear.
Dave Recommends This General Pump Product
Brian, the Pressure Washer Expert
Product Expert
Dave,
I haven't heard about the unit not staying level before- you may want to give the folks at General Pump a call, toll free, at (888) 474-5487 before 7/8/16 while it's still under warranty and before you make any modifications.
more
Was this review helpful?
20
Greg M.
New Port Richey, FL
Purchased from Pressure Washers Direct
Purchased 3/2/17
Total Reviews
2 Reviews
Total Helpful Votes
11 Helpful Votes
REVIEWED
MAR.
24
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Massive Time Saver
I'm using a Honda 5.5hp, 3gpm small commercial pressure washer to drive this. It did a fantastic job and it is a tremendous time saver. I cleaned just under 1000 sq.ft in about 75 minutes.

The quality seems to be good too. The unit come with spare tips, however I'm not sure if they're rated at the same flow as the ones that were installed at the factory.
Pros: Easy To Use, Fast, Servicable
Cons: Heavy, This unit is a bit heavy to maneuver around, The instructions could have clearer pictures
Greg Recommends This General Pump Product
Brian, the Pressure Washer Expert
Product Expert
Greg,
I checked the Owner's Manual PDF that we have under the Specs tab, and I'm sorry, I didn't see any details about the extra nozzles.

The spray tips should have the orifice size marked on the side or face of the nozzle. You may want to give the folks at General Pump a call at (888) 474-5487 to see if they're the same, or have a different orifice (opening) size if they're not marked.
more
Greg's Experience With Pressure Washers Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"This is my third purchase from these guys and I've had a good experience each time. Quick shipping."
 more
Was this review helpful?
10
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