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The DuroMax xp904wp - 427 gpm (4") water pump is available for purchase today.

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DuroMax XP904WP - 427 GPM (4") Water Pump

(Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
6 Reviews
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  • Features
  • Specs
  • Q&A 
  • 6
    Reviews
  • Articles
  • Accessories

Inlet Size
4"
Style
Dewatering Pumps
GPM
427
Gallons
Engine
Power Max Engine
Powerful 9 HP OHV Four Stroke Engine
Easily drain any pool, basement or trench
Uses regular gasoline, no need for messy mixing

C.A.R.B. Compliant And EPA Approved
Meets even strict California emissions standards

Automatic Low Oil Shutoff
Prolongs engine life

Easy To Transport
Set up at home or on the job site- or both

Move Clear Or Dirty Water Quickly And Effectively
Handles 25,620 gallons per hour
4" inlet and outlet

Cast Iron Cylinder Sleeve And Impeller
Built tough for a long service life

Back Flow Check Valve
Keeps dirty water out of the area you just cleared

Includes:
Intake strainer, threaded hose end connectors
Hose clamps, and tool kit with spark plug wrench


Need Help? Call Our Water Pump Experts.
Model
Model Number:XP904WP
UPC:891784001143
Manufacturer:DuroMax
Made in USA:Unknown
Engine
Engine Brand:PowerMax
Starting System:Recoil Start
Engine Cycles:4-Cycle
HP/CC:9 HP
Fuel Tank Size:1 Gallon
Run Time:2.4 Hours
Consumer Engine Warranty:1 Year
Pump
Gallons Per Minute:427 GPM
Inlet Diameter:4"
Outlet Diameter:4"
Pump Head Material:Aluminum
Pump Housing Drain:Yes
Quick Clean Out:No
Mechanical Seal Material:Silicon Carbide
Impeller Material:Cast Iron
Suction Head:26 Feet
Total Head Lift:91 Feet
Accessories
Tool Kit:Yes
Strainer:Yes
Float Switch:No
Hose:Sold Separately
Hose Couplings:Yes
Hose Bands:Yes
Lifting Hook:No
Wheel Kit:No
Overview
Weight:110 Lbs. (49.90 kilograms)
Dimensions:21.5L x 18W x 20H
(54.61 x 45.72 x 50.80 cm)
Consumer Warranty:1 Year
Download Documents

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Questions before buying? Ask Jim about this item. Sorry, do not submit repair related questions.

DuroMax XP904WP Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
Pros
Price (2)
Reliable (1)
Light Weight (1)
Quiet (1)
Cons
None to display.
100% of respondents would recommend this product to a friend
6 Reviews  Sort by 
 
John P.
Oceanside, CA
Purchased from Water Pumps Direct
Purchased 3/28/16
Most Helpful Positive Review
REVIEWED
MAY.
11
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Not Powerful Enough
I purchased the wrong pump. It worked fine and met all its specifications regarding flow rates etc., but unfortunately the ingress of water to my pond from a lagoon was a little to fast to overcome. We were able to lower my small pond by about 1 foot every 2 hours but were never able to get that last 18 inches out. I may have to purchase enough similar pump in the future to accomplish the drainage I require.
John Recommends This DuroMax Product
Was this review helpful?
00
Russell R.
Joseph, OR
Purchased from Water Pumps Direct
Purchased 4/6/16
Total Reviews
2 Reviews
REVIEWED
APR.
27
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
3 Inch In 2015... 4 Inch In 2016
The 3" pump worked fine in 2015. I am donating the 4" pump to the farmer who provided my test grow acreage in 2015 so that he may improve his field sprinkler cycle time. I assume 2016 will have successful results but I will not provide an update.

The sheet metal channel mounting beams will not resist heavy drop handling during shipping. They are fairly easily straightened with removal of the engine/pump unit however.
Pros: Quiet, Price, Light Weight, Reliable
Russell Recommends This DuroMax Product
Russell's Experience With Water Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Online ordering is convenient and shipping is rapid enough. Sure would prefer to not have these "Review" requests emails arrive to pester me."
 more
Jim, the Water Pump Expert
Product Expert
Russell,
There is always an opt-out option on the emails that we send. You can also update your email setting when you're logged into your account on our site.
Was this review helpful?
00
Pa Gas Wells
Lock Haven, PA
Total Helpful Votes
13 Helpful Votes
REVIEWED
JUL.
21
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
4" Pump In Pa Gas Well Industry
I work for a company in the PA gas well industry. We started with one of these 4" pumps, but now have about 4 of these pumps. They have run 24 hrs a day for a week or two straight at a time and they have worked flawlessly. They start on the first pull every time.

The pump is self priming after the first manual prime you do. You should manual prime any pump the first time anyway or you could/will burn up the shaft seal(water keeps seal cool). We have used them in the bitter cold winter... more
Was this review helpful?
132
Dale
Purchased from Water Pumps Direct
Purchased 4/11/12
Total Helpful Votes
10 Helpful Votes
REVIEWED
MAY.
15
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good Pump Have Bought Two Of Them
This pump powers my 5 in dredge and pumps water for above water mining. I would like to say that i was a big fan of the price and the way it had worked. Not such a big fan about the condition it arrived to me in. It was a prompt delivery tho about 3 days to my door for free. But the metal rack that it uses as its motor mounting frame came bent and bowed...... The pump worked fine but because the frame was tweeked the oil seal went out of it in less than six months.... I think that was the... more
Was this review helpful?
100
Kurt U.
Meeker, OK
Purchased from Water Pumps Direct
Purchased 8/10/13
REVIEWED
SEP.
05
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
A Lot Of Water
Works great. I use it to transfer water from one pond to another for vegitation management.
Pros: Price
Kurt Recommends This DuroMax Product
Was this review helpful?
60
James H.
Uhrichsville, OH
Purchased from Water Pumps Direct
Purchased 8/13/14
REVIEWED
MAR.
29
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
24/7 This Pump Can Get It Done!
Our company handles moving water into holding tanks for oilfield frack jobs. We normally use diesel powered self priming pumps that do 1500-2000 gpm. Last summer our big pumps went down and to fill in the down time I bought 2 of these pumps.

I questioned the price and quality, but decided to give them a try out. Glad that I trusted my gut feeling on this one because these pumps performed beyond anything I could have imagined. We are buying 6 more this year because we are convinced these... more
James Recommends This DuroMax Product
Was this review helpful?
40
 


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