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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
53 Reviews
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  • Features
  • Specs
  • 3
    Q&A 
  • 53
    Reviews
  • Articles
  • Shipping
  • Accessories

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


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."

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:56 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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  3 Questions
Q: Can I attach a garden hose directly to the outlet port, or is an adapter needed?
by John from New York on April 25, 2015

A: The Earthquake WP4310 has a NPT 1" suction and discharge port. If you care to attach a standard garden hose to the discharge, you would need a 1" to 3/4" adapter.
by Jim, Product Expert
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
Light Weight (17)
Price (14)
Easy To Store (11)
Easy To Use (6)
I'd Buy It Again (6)
Cons
Unreliable (6)
Difficult To Use (4)
Durability (3)
Low Quality (3)
Expensive (2)
69% of respondents would recommend this product to a friend
53 Reviews  Sort by 
 
Jim, the Water Pump Expert
Water Pump Expert

Product Expert
Total Reviews
45 Reviews
Total Helpful Votes
851 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?
3414
Thomas B.
Del Rio, TX
Purchased from Water Pumps Direct
Purchased 9/19/14
Most Helpful Positive Review
REVIEWED
OCT.
14
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Manufacturer Backs Their Merchandise
I purchased the Earthquake 4310 water pump from Power Equipment Direct. Unfortunately the unit I received failed after a short run period. Although Power Equipment Direct has a no return policy on gas powered equipment, the manufacturer did.

I called Ardisam, spoke to a representative, and explained my dilemma to them. They, without any hesitation stood behind their product and sent me another water pump at no charge to me.

If you are looking for a light weight, high volume, very... more
Thomas Recommends This Earthquake Product
Was this review helpful?
60
Glen C.
Warrensburg, MO
Purchased from Water Pumps Direct
Purchased 4/22/15
Most Helpful Critical Review
REVIEWED
MAY.
06
2015
2 out of 52 out of 52 out of 52 out of 52 out of 5
You Pay Your Money & You Take Your Chances
Pay the extra money and get a Honda Pump. My Earthquake ran for 30 minutes while pumping 3.5 gals /min and died. Vented gas tank, re-primed and restarted it. It ran 20 minutes, pumped 3.5 gal/min then died again.

Haven't been able to restart it in 2 days. It's in the authorized repair center now. I have to buy another pump (Honda) because I'm under a deadline and can't wait for the authorized service center to figure out what's wrong with this one. This pump will end up costing me over... more
Jim, the Water Pump Expert
Product Expert
Glen,
I'm sorry to hear of the problems that you are experiencing with your Earthquake pump. While it is generally true that you "get what you pay for", the Earthquake pump has proven to be a fairly reliable pump for the money. That said, if this pump failed due to a manufacturing defect, the service center should handle the repair under warranty at no cost to you, providing you took it to an Earthquake Authorized Service Center. If you have any other questions or concerns, please don't hesitate to contact me.

Sincerely,

Jim Owiecki
Water Pump Product Expert
800-710-7499 X125
630-685-0025 Direct
james@pedstores.com
more
Was this review helpful?
10
Trevor
Almena, WI
Purchased from Water Pumps Direct
Purchased 3/6/14
REVIEWED
MAR.
01
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Earthquake Pump Wp 4310
Excellent pump, everything I expected. Starts and runs good and is fuel efficient. I pump Maple sap through 900 ft of one inch poly, works great!
Trevor Recommends This Earthquake Product
Was this review helpful?
50
Tim C.
Burnsville, NC
REVIEWED
MAY.
17
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Still Great!
I purchased this pump about 7 years ago. We had a drought in our area and I used it to pump water from a nearby stream into our cistern. I was able to fill the 1200 gallon tank in a little over an hour which used very little gas. I was more than happy with the pump and it kept us in water for quite a few dry months.

Today, I decided to try it in our lower creek to water a garden that's inaccessible with hoses. Filled the tank with new gas mix, pulled the starter 2x and...shazaam! After 7... more
Tim Recommends This Earthquake Product
Was this review helpful?
20
Maxwell R.
Newton, WV
Purchased from Water Pumps Direct
Purchased 3/20/15
REVIEWED
APR.
11
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Pump, Wwonderful Price
After a lot of consideration, I decided to take a chance on this pump. So far, after pumping almost daily, I'm more than impressed. I've used other name brand pumps in the past and this unit holds its own along side of them. Has started so easily every time and pumps a good volume of water. In short, great value for a great pump.
Maxwell Recommends This Earthquake Product
Maxwell's Experience With Water Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Fast shipping, excellent prices, would buy from here again."
 more
Was this review helpful?
20
Marco
Purchased from Water Pumps Direct
Purchased 7/29/13
REVIEWED
APR.
20
2015
4 out of 54 out of 54 out of 54 out of 54 out of 5
Starter Cable Pulled Out
Used it about 2 dozen times. Always hard to start, and today the starter cord pulled right out. Huge disappointment since it was barely used..
Was this review helpful?
10
Sam D.
Newcastle, WY
Purchased from Water Pumps Direct
Purchased 6/18/15
REVIEWED
JUL.
10
2015
1 out of 51 out of 51 out of 51 out of 51 out of 5
Not As Advertised
You say this is a 1-inch pump but you send 5/8 connections. Your ad say it will pump 2,300 gal, per minute. It pumps 300 gpm. .it is a 5/8 s inch pump.it does not have enough suction to pull water from a one inch hard plastic hose 3 ft long. I would not recommend this pump.
Cons: Unreliable
Jim, the Water Pump Expert
Product Expert
Sam,
I apologize for any confusion and inconvenience. You may be a bit confused with the advertising on our site, Sam. While the WP4310 may include 5/8" adapters, the actual male threaded fittings on the suction and discharge ports are 1". The adapters are included for your convenience only and you are NOT required to use them. The pump is advertised at 38 GPM and the features on the product page does also list the pumping capacity at 2300 Gallons Per HOUR, which equals just over 38GPM.

If your pump is not pulling water from a 3 foot long hose, please double check to insure that the pump is primed per the instructions and there are NO leaks in your pipe or anywhere in that connection. IT only takes the smallest of leaks to create this kind of problem. If you are still having problems, please call Earthquake tech support at (800) 345-6007 for further assistance and let me know if you have any other problems.
more
Was this review helpful?
00
Thomas A.
Terlingua, TX
Purchased from Water Pumps Direct
Purchased 6/15/15
Total Reviews
2 Reviews
REVIEWED
JUL.
08
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Shopped Long For This One
I need a pump that serves to transfer rainwater between roof catchment tanks. I also wanted a pump that could double as a fire fighting pump. The capacity of this little WP4310 1-inch pump is amazing. It was easy to set up and performed very well through its first three tanks of fuel. It certainly serves my purposes.

My only complaint is that the instruction manual was a little lacking on all the details. It covers the engine quite well but you need to have a background on pumps to hook it... more
Thomas Recommends This Earthquake Product
Was this review helpful?
00
William L.
Jersey City, NJ
Purchased from Water Pumps Direct
Purchased 3/27/15
REVIEWED
APR.
17
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
All The Power I Need.
First time use was better than I thought... had the power to do just what I needed it for.
Pros: Price, Easy To Store, I'd Buy It Again, Exceeded Expectations
Cons: Add The Suction Hose That Will Need
William Recommends This Earthquake Product
Was this review helpful?
00
Christopher S.
Richmond, MI
Purchased from Water Pumps Direct
Purchased 5/6/15
REVIEWED
MAY.
27
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Little Pump
I own a farm and use it to transfer fertilizer. It's small, easy-to-handle, plus it pumps great.
Christopher Recommends This Earthquake Product
Was this review helpful?
01
John
Vero Beach, FL
Purchased from Water Pumps Direct
Purchased 10/6/14
REVIEWED
OCT.
30
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Earthquake Review
It works great! I needed power to my water blaster from a water tank where water wasn't available. (PERFECT)
John Recommends This Earthquake Product
Was this review helpful?
01
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