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Generac One-Wash 3100 PSI (Gas - Cold Water) Pressure Washer

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Generac Pressure Washers and Accessories
Model: 6602
(Based on expert analysis, manufacturer ratings and customer reviews)

4.4 out of 54.4 out of 54.4 out of 54.4 out of 54.4 out of 5
269 Reviews
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  • Features
  • Specs
  • 7
    Q&A 
  • 269
    Reviews
  • Articles
  • Shipping
  • Accessories
Grade
Style
Water Pressure
3100
PSI
Water Flow
2.8
GPM
Cleaning Speed
8680
Cleaning Units
Engine
Generac


Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."

Just Select The Task And OneWash Adjusts Automatically
PowerDial lets you choose from 2000psi to 3100psi
Choose the job and OneWash delivers the right pressure & flow
Select car wash, house wash, fence wash, or pavement wash

Consolidated Control Panel
Makes starting & adjusting the unit quick and easy

Powerful 5.5 HP Generac 212cc OHV Engine
Starter is easy to access on the side of the washer

Easy Access AR Axial Cam Pump
Positioned well above the ground for convenient hose connection

On-Board 3/4 Gallon Detergent Tank With Drain Plug
Easy access for filling with pressure washer safe soap
Tank can be quickly cleaned & emptied with water hose

Easy To Move & Store
Large 11" NeverFlat wheels & balanced design for tough terrain
Folding handle for compact transport & storage
Secure on-board storage for 20" lance, 3 spray tips, & M22 hose
Not for sale to California; doesn't meet strict CARB standards


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Engine
Engine Brand
Generac
Starter
Recoil
HP
5.5 HP
CC
212 CC
Fuel Tank Size
3.2 quarts
Pump
Pump Brand
AR
Pump Type
Axial Cam
Adjustable Pressure
Yes
Chemical Injection
Single Detergent Tank
Detergent Tank Capacity
3 qts.
Water Temperature
Cold
Water Pressure
3100 PSI
Water Flow
2.8 GPM
Housing
Frame Type
2-Wheel Cart
Wheels
NeverFlat
Hose
Hose Storage
Hook
Hose Length
30 Feet
Hose Material
PVC/Plastic
Hose Diameter
1/4 Inch
Hose Connections
M22
Spray Gun
Spray Gun Connection
M22
Spray Gun Grade
Residential
Spray Gun Wand
Single Wand
Spray Tips
Quick Connect Tips (3)
Turbo Nozzle
Sold Separately
Overview
Weight
68.5 Pounds
Grade
Entry Level
Product Length
20.6 Inches
Product Width
21 Inches
Product Height
39.5 Inches
Consumer Warranty
2 Years
UPC
696471066029
Model
6602
Subject: Store ID: Product ID: Data Category: Brand Category:

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  7 Questions
Q: Please recommend a good telescoping wand and gutter attachment for the 6602. I'm not finding definitive info on fitting compatability. 3/8 or 1/4. Need 18-20 ft wand. Thanks

by Andre Godefroy from Washington on June 26, 2016

A: The BE 18-Foot Fiberglass Telescoping Wand would be a good choice since it comes with an M22 adapter that will let it connect to the 6602 hose.

The telescoping wand has a 1/4" quick connect tip, and will work well with BE's Quick Connect Gutter Cleaner.

Please be aware that any telescoping wand will flex when water pressure is applied- they take good footing and a strong back to use comfortably. I'd also suggest using BE's Wand Support Belt to help control the telescoping wand.
by Brian, Product Expert
Q: I am looking into the 6602. I plan to use for general cleaning and am looking into getting the jetter hose attachment to clean my drainage tile(live in country dont want to pay $100 to clean anymore leaves) will this work fine for me.
by Harvey Hooten from Indiana on June 03, 2015

A: Yes this would be a good choice for you.

Also, I would recommend a Jetter conversion kit for your Jetting needs. I would recommend model 43.5002. I have attached a link for you to view that item.

Jetter Conversion Kit
by Brian, Product Expert
Q: mike,

does the generac one wash 3100 have idle down?? I had a kohler pressure washer before and when you apply the trigger the rpms would ramp up. Is this idle down??? Also is a triplex pump worth the price if you use your pressure washer once a week for couple of hours..

by Patrick from Indiana on May 17, 2015

A: The unit comes with a throttle control. I've included the owners manual. The unit is in the consumer category and a few hours or less is week is recommended. If your looking for more hours the 6590 would be your next step up.

http://www.pressurewashersdirect.com/manuals/generac20146602specsheet_secured.pdf
by Brian, Product Expert
Q: Does this unit idle down when not washing?
Is the reason it only has three nozzle tips is because it also has adjustable pressure?
First time buyer trying to decide.
Thanks

by Tim Blaney from Arizona on May 16, 2015

A: The unit comes with throttle control to help the first time user set washing adjustments so there is less nozzles. If you want to move up to it's sister the 6598 let's you set the pressure with all the nozzles.

http://www.pressurewashersdirect.com/manuals/generac20146602specsheet_secured.pdf
by Brian, Product Expert
Q: Hi Mike, thanks for reading my question.
I am in a dilemma.
I am interested in purchasing this Generac pressure washer 6602 One Wash (3100 PSI) This has pressure control.
I also like the Karcher G 2800 FH, 2600 XH Karcher, Generac 6595-0, Generac 6598
I chose these for their performance and similar cost.
I'll use it is to clean concrete floors, walls coated (no damage) to clean mold. Once a day for 1 hour and a half.

Lately I've read bad cometary of Karcher machines. My neighbor told me that the pressure whasher buy Karcher G 2600 VH and tube many problems with it.
I have read very good reviews of Generac brand.
Interested durability. I take great care of my equipment and I have lasted many years, and now want a wahser pressure also durable.

Which of you two pressure washer do you recommend?
Thanks for your time.

by Jaime Campo from Texas on October 27, 2014

A: None of these units would be able to handle daily usage. They are consumer items and would not handle what you are doing. I would recommend going with the Generac 6590. This unit has a triplex plunger pump on it, and can handle your usage. I have attached a link for you to view that item.

Generac 6590
by Brian, Product Expert
Q: Hello Mike,
I was in doubt between Generac 6602 and 6598 and ended up ordering 6602 (even you thought 6598 was a better choice) because one of my planned uses for the machine is car washing and I like the fact that you can regulate the pressure to avoid damaging the car. My other uses will be concrete cleaning (garage floor, walkway) and vinyl siding cleaning. Please tell me what additional attachments you would recommend for these tasks. Thanks

by Marc from New York on June 20, 2014

A: For concrete cleaning I like either a Turbo Nozzle or Surface Cleaner. These will aid in your cleaning as well as significantly decrease the times it takes to compete your task. For cleaning cars I love the Foamer Attachment. It will spray out detergent as thick as shaving cream!
by Brian, Product Expert
Q: hi, looking at buying one what is better one generac 3100 model 6602 or the one 3100 dual tank cleaner

steve same price

by Steve from North Dakota on June 05, 2014

A: The One Wash 6602 is a great choice for households where several people will be using the unit for many different tasks- the controls are simple, and the adjustable pressure is very handy.

The 6598 is great for work around the house- the pressure isn't adjustable, so you'd need to use a wide spray nozzle to keep from blowing the lawn furniture across the yard instead of just turning down the pressure.

The dual detergent tanks of the 6598 are handy if you do a lot of car wash & wax, or house wash & pavement cleaning- you won't have to run back and forth to switch buckets. Just make sure you rinse them after every use so they don't clog up.

The 'better one' is the one that best suits your situation!
by Brian, Product Expert
Generac 6602 Reviews & Ratings
Overall Rating
Features
4/5
Quality
4/5
Performance
4/5
Value
4/5
Overall
4.4 out of 54.4 out of 54.4 out of 54.4 out of 54.4 out of 5
Pros
Easy To Use (64)
Features (40)
Price (36)
I'd Buy It Again (34)
Easy To Store (34)
Cons
Low Quality (8)
Packaging (7)
Bad Instructions (6)
Durability (5)
Heavy (4)
85% of respondents would recommend this product to a friend
269 Reviews  Sort by 
 
Brian, the Pressure Washer Expert
Pressure Washer Expert

Product Expert
Total Reviews
122 Reviews
Total Helpful Votes
5557 Helpful Votes
Pressure Washers Direct Recommended

Just turn the dial to your job task and go. The Generac One-Wash is great for the first time user but even someone like myself I just click and go without adjusting pressure or worrying about applying the incorrect pressure.

The units includes an AR pump which is easy to maintain and a detergent tank so your not dragging a bottle around the house with you.

Generac One-Wash is the perfect gift to anyone considering pressure washing with a gas machine.

This unit performs very... more
Brian Recommends This Model
Was this review helpful?
11522
Steven T.
Fenton, MO
Total Helpful Votes
19 Helpful Votes
Most Helpful Positive Review
REVIEWED
MAY.
26
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Hands Down Best I Have Ever Used For A Residential Power Washer
This thing is AWESOME! I use it with a spiral twisting tip and this thing take oil stains off the driveway, will actually splinter wood, I use mine at work to clean the streets after a certain area always floods and leaves 1-4" of hard mud and debris, starts on first pull every time, these other bad reviews I don't see it, I'm guessing OPERATOR ERROR! if you use right oil and right amt and prime the pump with water like your supposed to do they work great!
View Image
Steven Recommends This Generac Product
Manufacturer Response
Brand Rep
Steven,
Thank you for providing us with your candid review of the OneWash residential grade pressure washer. We truly value your feedback! If there are any questions that we can answer for you at any time, please do not hesitate to contact us directly at 888-GENERAC (436-3722). Also, be sure to register your unit for warranty-related purposes via the following link: http://www.generac.com/generac-nation-sign-up?cid=frm-105-aa. Doing so will also allow you to receive future consumer alerts as well.
more
Was this review helpful?
194
Steven L.
Toms River, NJ
Purchased from Pressure Washers Direct
Purchased 5/20/16
Most Helpful Critical Review
REVIEWED
JUN.
13
2016
2 out of 52 out of 52 out of 52 out of 52 out of 5
In The Repair Shop
Right out of the box the washer did not work properly. The engine conks out on the low pressure setting,idles very rough, only to find out the throttle linkage was not working, hence its now in the repair shop.

VERY DISSATISFIED for a brand new product.
Brian, the Pressure Washer Expert
Product Expert
Steven,
I can understand your disappointment- the majority of pressure washers work right out of the box, but I'm sorry yours did not. Generac's Factory Warranty covers defects in materials and workmanship, so that should cover the cost of any repair.

We appreciate your business, and sincerely apologize for any inconvenience.
more
Manufacturer Response
Brand Rep
Steven,
We are sorry to learn of your frustrating experience. To ensure that your unit's issues are diagnosed and serviced properly, we would recommend contacting an independent authorized service provider in your local area. Please know that these trained professionals are capable of providing any warranty coverage that applies to your personal unit. To locate an independent authorized service provider closest to you, use your postal code for searching purposes via the following link: http://www.generac.com/dealer-locator?cid=frm-105-ab . If you would like to discuss your experience in further detail, do not hesitate to contact us directly at 888-GENERAC (436-3722); we are available 24/7.
more
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51
Dennis W.
Richmond, VA
Purchased from Pressure Washers Direct
Purchased 2/27/17
REVIEWED
MAR.
21
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good Buy
This machine did exactly what it said it would do. It ran for approximately an hour and a half on a tank of gas.

I was very pleased with my purchase.
Pros: Easy To Use, Features, Fast
Dennis Recommends This Generac Product
Was this review helpful?
00
Glenn W.
Statesboro, GA
Purchased from Pressure Washers Direct
Purchased 2/27/17
REVIEWED
MAR.
21
2017
4 out of 54 out of 54 out of 54 out of 54 out of 5
Works Good
I like the feature of turning pressure up and down with the knob.
Pros: Easy To Use, I'd Buy It Again, Light Weight, Fast
Glenn Recommends This Generac Product
Was this review helpful?
00
Debra B.
Burlington, NJ
Purchased from Pressure Washers Direct
Purchased 3/7/16
REVIEWED
APR.
19
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Pull Start In Odd Place
The pull start is in odd place for a right handed person. Only 3 nozzles most others have 5.
Debra Recommends This Generac Product
Brian, the Pressure Washer Expert
Product Expert
Debra,
The idea behind One Wash is to make it as easy as possible to operate. Generac included the 3 most popular nozzles; with the adjustable pressure you can get the same results without adding the other 2.

The full Generac spray tip set is in stock if you're interested in them.
more
Was this review helpful?
81
James S.
Fort Lauderdale, FL
Purchased from Pressure Washers Direct
Purchased 3/6/16
REVIEWED
APR.
06
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
I'm Happy
I read reviews from all the other sellers. I was concerned that the unit would arrive with some damage or there would be a problem with something.I was very pleased the way it was packaged, very secure. There was no damage at all.

The soap nozzle(black) was not in the plastic bag with the other nozzles. I called and they sent a new bag with the black spray tip. and that made me happy.

When I started the engine It would not go past idle when I turned the selector dial. The set screw to... more
Pros: Easy To Use, Easy To Store, Features, Exceeded Expectations
James Recommends This Generac Product
Was this review helpful?
50
Frank E.
Ogden, UT
Purchased from Pressure Washers Direct
Purchased 6/14/16
REVIEWED
JUL.
06
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
One Buff Washer!
I chose Generac washers because I had a old 2100 PSI model that ran for 10 years trouble free. I was disappointed to receive the new washer without the On/OFF switch installed.

After installing the switch, I was very pleased to find that this new washer is really powerful and easy to use. Thanks PWD for supplying a great machine for a great price.
Frank Recommends This Generac Product
Brian, the Pressure Washer Expert
Product Expert
Frank,
I'm sorry you had to install the on/off switch on your unit- we will pass along your comments to the folks at Generac. I'm glad you were able to get your pressure washer working so well.

We appreciate your business, and apologize for any inconvenience!
more
Was this review helpful?
30
David M.
Purchased from Pressure Washers Direct
Purchased 4/29/16
REVIEWED
JUL.
06
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Works Great
Almost always starts on first pull. Powerful cleaner. Portable enough to get it where I need it. Wish it had a small storage shelf for extra nozzles.

They need to find a way to route the soap hose to keep it away from hot engine parts so it doesn't melt.
David Recommends This Generac Product
Was this review helpful?
30
Mark Y.
Downingtown, PA
Purchased from Pressure Washers Direct
Purchased 5/3/16
Total Reviews
3 Reviews
REVIEWED
JUN.
28
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Nice Unit, Convenient
It appears to be a good value, and easy to use and adjust pressure for different uses. The rubber tires are also nice quality, and make it easy to roll around, even in grass, without fear of a flat. Have used it about 6 hours total so far without a hitch.

Only complaints I have are minor - the unit itself can be a tad hard to start if it has been running - even releasing pressure didn't stop it from occasionally snapping back the pull starter a little (hard on the wrist) - so I am giving... more
Mark Recommends This Generac Product
Brian, the Pressure Washer Expert
Product Expert
Mark,
I'm sorry the delivery folks were careless- we work with our shippers to emphasize how important "This End UP" is when delivering pressure washers but sometimes the message is ignored.

I will pass along your comments to improve service in your area. We appreciate your business, and apologize for any inconvenience.
more
Was this review helpful?
30
Tim J.
Flowery Branch, GA
Purchased from Pressure Washers Direct
Purchased 5/25/16
Total Reviews
3 Reviews
REVIEWED
JUN.
17
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great
The pressure washer works as advertised. No problem with instructions.
Tim Recommends This Generac Product
Was this review helpful?
30
Nicholas S.
Chesapeake, VA
Purchased from Pressure Washers Direct
Purchased 5/19/16
REVIEWED
JUN.
10
2016
2 out of 52 out of 52 out of 52 out of 52 out of 5
Still Waiting To Be Impressed...
I purchased my pressure washer on May 20th and received it in just a few days.

The only issue I have is that after following the directions step by step, taking my time to ensure I followed each one properly, I I I finally started my pressure washer and the pump lasted all of 3 minutes. Since that time I have dealt with Generac and their authorized maintenance dealers. It has been out for repair for the better part of three weeks due to a defective pump, and the only update I get is when I... more
Brian, the Pressure Washer Expert
Product Expert
Nicholas,
I am sorry for your disappointment! If you would please send the name & phone number of the shop that has your pressure washer, and the name of the person you're working with there to us at 'service@pressurewashersdirect.com' we will be happy to ask the support folks at Generac to step in and get your issue resolved as quickly as possible.

This will usually get things wrapped up in short order. We appreciate your business, and apologize for any disappointment!
more
Manufacturer Response
Brand Rep
Nicholas,
We completely understand you frustration and appreciate your patience with the servicing process. So that we can contact the independent authorized service provider that you are currently working with, please call us directly at 888-GENERAC (436-3722) with the serial number of your personal unit. We apologize for any inconvenience this unfortunate scenario may have caused.
more
Was this review helpful?
41
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