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The Earthquake wp4310 - 38 gpm (1") water pump is available for purchase today.

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Earthquake WP4310 - 38 GPM (1") Water Pump

(Based on expert analysis, manufacturer ratings and customer reviews)

3.9 out of 53.9 out of 53.9 out of 53.9 out of 53.9 out of 5
40 Reviews
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  • Features
  • Specs
  • 2
    Q&A 
  • 40
    Reviews
  • Articles
  • Shipping
  • Accessories

Inlet Size
1"
Style
Dewatering Pumps
GPM
38
Gallons
Engine
Viper Engine
Need Help? Call Our Water Pump Experts.


Powerful 43cc Pump Moves 2300 Gallons Per Hour
Ideal for emptying pools, basements, & waterlogged work sites

Lightweight And Portable-Weighs Only 14 Pounds
Easy to transport-use it at home and at work

Silicone Carbide Mechanical Seal
Dependable and longer lasting than cheaper units

Generous Warranty
1 year for residential use: 90 days for commercial use


Model
Model Number:WP4310
UPC:012642431036
Manufacturer:Earthquake
Engine
Engine Brand:Viper
Starting System:Recoil Start
Engine Cycles:2-Cycle
Low Oil Shutdown:No
Continuous Operation:Yes
HP/CC:43 cc
Fuel Tank Size:.1 Gallon
Consumer Engine Warranty:1 Year
Pump
Gallons Per Minute:38 GPM
Inlet Diameter:1"
Outlet Diameter:1"
Self Priming:Yes
Pump Head Material:Aluminum
Pump Housing Drain:Yes
Quick Clean Out:No
Mechanical Seal Material:Silicon Carbide
Impeller Material:Aluminum
Solids Handling:None Inch
Suction Head:23 Feet
Total Head Lift:82 Feet
Accessories
Tool Kit:No
Strainer:Yes
Float Switch:No
Hose:Sold Separately
Hose Couplings:Yes
Hose Bands:No
Lifting Hook:No
Transport Handle:Yes
Wheel Kit:No
Overview
Weight:18 Lbs. (8.16 kilograms)
Dimensions:12"L x 13"W x 14"H
(30.48 x 33.02 x 35.56 cm)
Consumer Warranty:1 Year
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  2 Questions
Q: Hi Jim I'm wanting to irrigate my farm garden approx 75 ft x 75ft with a gas powered pump I have a creek for a water source about 150 to 200 ft from my garden which type of pump would best serve my needs thanks Jim
by Phil B from Missouri on April 02, 2014

A: Thank you for your interest in Water Pumps Direct. Most any water pump would handle your application. It depends on how you plan to "water" your garden. If you are simply watering with a garden hose and NO nozzle, any 1" GAS DEWATERING PUMP would do a fine job for you. Please note that the pump should be as close to the water source as possible and you should use a good quality suction hose to insure that it does not collapse during the pumping process and a good quality strainer to prevent any debris from getting into the pump. Most any garden hose will suffice however, on the discharge side of the pump. If you prefer to use a nozzle or sprinklers, you might be better served by an electric SHALLOW WELL PUMP or a SPRINKLER PUMP or HIGH PRESSURE GAS PUMP. These pumps would provide a higher pressure or PSI that would be needed to provide better coverage and proper operation of the nozzle or sprinkler heads.
If you have additional questions, please let me know.

by Jim, Product Expert
Q: Do you sell parts for pumps
by Kevin from Pennsylvania on November 24, 2013

A: Thank you for your interest in Water Pumps Direct. While we do not offer parts for any product that we sell, you could check THIS LINK to Sears Parts Direct to see if they would carry the parts you need.
by Jim, Product Expert
Earthquake WP4310 Reviews & Ratings
Write Review
Overall Rating
Features
4/5
Quality
4/5
Performance
4/5
Value
4/5
Overall
3.9 out of 53.9 out of 53.9 out of 53.9 out of 53.9 out of 5
Pros
Only Used The Pump 2 Tim... (1)
Light Weight (17)
Price (13)
Easy To Store (10)
Easy To Use (6)
Cons
Could Never Get It To Wo... (1)
The Motor Is A Bit Tempe... (1)
None (1)
Only Worked 2 Times Fail... (1)
Hard To Start (1)
68% of respondents would recommend this product to a friend
40 Reviews  Sort by 
 
Jim, the Water Pump Expert
Water Pump Expert

Product Expert
Total Reviews
45 Reviews
Total Helpful Votes
532 Helpful Votes
Water Pumps Direct Recommended

If you're looking for a portable water pump for home or work this pump is for you. Weighing only 13 pounds and moving up to 2300 GPH, this water pump is ideal for emptying pools, flooded basements, and water-logged job sites. Portable, powerful, and affordable...what else could you want in a water pump?
Jim Recommends This Model
Was this review helpful?
2310
Jerry G.
Smackover, AR
Purchased from Water Pumps Direct
Purchased 8/30/13
Most Helpful Positive Review
REVIEWED
OCT.
30
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Pumps Up Hill
I purchased this pump to fill a tank with water for my deer food plot. I used a 50" 5/8" intake hose to pump water up a 6' bank from a creek and two 50' garden hoses to carry the water up a slope to my holding tank. The pump worked great and did eveything I wanted it to do. I recommend using silicone on all hose connections to prevent air leaks and get a good suction. Hard to start the first time ,easier to start after warming up.This is a great little pump and I do recommend it.
Pros: Light Weight, Price
Cons: Hard To Start
Jerry Recommends This Earthquake Product
Was this review helpful?
61
Peter
Purchased from Water Pumps Direct
Purchased 2/21/13
Most Helpful Critical Review
REVIEWED
JUL.
02
2014
1 out of 51 out of 51 out of 51 out of 51 out of 5
Do Not Waste Your Money!
This product failed after 2 uses of 10 minutes each. The pump leaked and then the engine would not run again.
Cons: Unreliable, Durability, Low Quality, Only Worked 2 Times Failed In Less Than 1 Tank Of Gas
Jim, the Water Pump Expert
Product Expert
Peter,
Small engines like this can be very sensitive to fuel with ethanol. Always use new, fresh fuel to make starting as easy as possible.
more
Was this review helpful?
00
Wayne S.
Miami, FL
Purchased from Water Pumps Direct
Purchased 2/24/14
REVIEWED
APR.
07
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Excellent Pump
I have a hunting camp in the Florida Everglades, no electric or city water. We pump our ground water to holding tanks utilizing a gas powered water pump. Pump worked well for years but no longer works.The pump we had was heavy and hard to start at times. I wanted a pump that was smaller more efficient. Did a internet search came across Water Pumps Direct. Found the Earthquake pump.

I was skeptical at first about the price, power and quality of this small pump. Their were several reviews... more
Pros: Light Weight, Price, Easy To Store, I'd Buy It Again
Wayne Recommends This Earthquake Product
Was this review helpful?
40
Mark G.
Ivins, UT
Purchased from Water Pumps Direct
Purchased 9/24/13
REVIEWED
NOV.
06
2013
4 out of 54 out of 54 out of 54 out of 54 out of 5
Cheap Unit Works Good While It Works
Difficult to start but once started works well. Unfortunately after one use the recoil starter failed. Spend money on a better unit. or be prepared for the frustration that sometimes comes with getting what you pay for...
Pros: Light Weight, Price, Easy To Store, Features
Cons: Difficult To Use, Durability
Was this review helpful?
41
Richard B.
Tampa, FL
Purchased from Water Pumps Direct
Purchased 9/4/13
REVIEWED
SEP.
26
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Took To The Dominican Republic
Was easy to transport in my duffel bag. Installed in a 20 foot deep well and the pump performed marvelously.
Pros: Light Weight, Price, Easy To Use, I'd Buy It Again
Richard Recommends This Earthquake Product
Was this review helpful?
30
James C.
Golden Valley, AZ
Purchased from Water Pumps Direct
Purchased 12/26/13
REVIEWED
JAN.
20
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Little Pump
I took it out of the box added fuel oil mix primed it and it started on first pull. Used it all day. I transferred over 1500 gallons of water. Great little pump.
Pros: Light Weight, Easy To Store, Exceeded Expectations, Reliable
Cons: None
James Recommends This Earthquake Product
James Would Recommend Water Pumps Direct To A Friend
Web Site
5/5

Service
5/5

Shipping
5/5
"Great company to deal with."
 more
Was this review helpful?
31
Rogelio P.
Tamarac, FL
Purchased from Water Pumps Direct
Purchased 11/17/13
REVIEWED
JAN.
05
2014
4 out of 54 out of 54 out of 54 out of 54 out of 5
Portability Of The Earthquake Wp4310 Water Pump
I am from the Philippines working as a technician on board ocean going Cruise liners. I bought this product online andit was delivered and stored at my company's head office in Florida, after my contract finished. I picked up this pump at our office in Florida checked the content and re packed it again in its original box.Put it in my Delsey hardcase shell luggage and it fit inside as it is. Went to the airport checked in the baggage with the pump inside and fly back to Manila

2 days after... more
Pros: Light Weight, Price, Easy To Store
Rogelio Recommends This Earthquake Product
Was this review helpful?
31
Robert W.
Kansas City, MO
Purchased from Water Pumps Direct
Purchased 5/23/14
REVIEWED
JUN.
27
2014
3 out of 53 out of 53 out of 53 out of 53 out of 5
Bad Pump
It's hard to start I only used the pump 2 times. Then the pump quit pumping water. To me not a very good pump
Pros: Light Weight, Price, Easy To Store, Only Used The Pump 2 Times Then It Quit Pumping Water Not A Very
Cons: Difficult To Use, Unreliable
Jim, the Water Pump Expert
Product Expert
Robert,
Please call Earthquake tech support at 800-345-6007 and they will assist you in troubleshooting or if necessary, provide you with a name and phone number of a local service center that may repair your pump.
more
Was this review helpful?
10
Eric W.
Lake Alfred, FL
Purchased from Water Pumps Direct
Purchased 3/19/14
Total Reviews
2 Reviews
REVIEWED
APR.
28
2014
2 out of 52 out of 52 out of 52 out of 52 out of 5
Impossible To Re-start After Initial Run
The manufacturer replaced the first unit with another complete unit and the second unit had the same problem: they both ran 15 minutes, died as if out of gas, and refused to restart. Some say the motor is finicky... I say the motor is an expensive boat anchor..
Pros: Light Weight, Price, Features
Cons: Difficult To Use, Unreliable, Low Quality
Jim, the Water Pump Expert
Product Expert
Eric,
We're sorry to hear about the issue you had with the replacement pump. It is extremely rare that exact same problem has occurred twice for you on two different pumps. We've sold many of these same pumps since you're original order back in March and there has been no issues reported with any of them.

With that being said, the only other likely cause of the problem you're having is using old gasoline or not having the correct Oil/Fuel ratio (50:1). I would suggest referring to your owner's manual for more information. You also may want to try a "Fuel System Revitalizer" for small engines, which can be found at many hardware stores where the gasoline/oil supplies are.
more
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10
Lawrence B.
Killen, AL
REVIEWED
AUG.
03
2014
1 out of 51 out of 51 out of 51 out of 51 out of 5
Bad Pump
Don't run right, don't pump right. I got this one 7/30/2014. I had one just like this one it run good and pump good almost three years, then the handle fell off this new one. I would not buy wp4310 again.
Cons: Unreliable, Low Quality, Expensive
Lawrence's Experience With Water Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"I would buy another pump from water pump direct but not the Earthquake wp4310."
 more
Was this review helpful?
00
Nancy A.
Woodford, VA
Purchased from Water Pumps Direct
Purchased 6/9/14
REVIEWED
JUL.
23
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Pump
I haven't had a chance to use my pump a lot, but the time i have it has performed very well.
Pros: Light Weight, Price, Easy To Store, Easy To Use
Nancy Recommends This Earthquake Product
Was this review helpful?
00
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