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Earthquake Walk Behind String Mower With 160cc Viper 4-Cycle Engine, 22” Cutting Diameter, 14” Never-Go-Flat Wheels, Easy Assembly, Adjustable Handlebar, 40314

  • Based on 325 reviews
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Availability: 16 left in stock
Fulfilled by Jacks Small Engines

Arrives Friday, Aug 21
Order within 9 hours and 45 minutes
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Style: 160cc Viper


Features

  • GRAB-N-GO: The handy engagement bail design lets you pause and restart the cutting head on demand. Release the bail to stop the head for quick path clearing, then re-engage to get right back to cuttingwithout restarting the engine.
  • EASY TO OPERATE: With extra-wide 2.5 x 14.5 airless wheels that float over any terrain and an adjustable handlebar for a perfect fit, the machine stays exceptionally well-balancedmaking it easier to control and minimizing operator fatigue.
  • RELIABLE POWER: A 160cc 4-cycle Viper engine starts easily on the first pull thanks to automatic compression release and powers through the tough tasks that handheld trimmers cant handle.
  • SIMPLE CUTTING HEAD DESIGN: Load up the cutting head with 0.155 cutting line and easily clear a path up to 22 wide, and the cutting height can be adjusted from 1.5 3 to perfectly meet your needs.
  • LONG & STRONG REACH: The one-piece, extra-long steel deck provides strength and can reach under fences and tree limbs with ease. The oversized debris deflector directs clippings away from the operator for a clean and safe cut.
  • SPACE SAVING: When the job's complete, simply fold the handlebars down and the unit can be easily put in the back of the vehicle or slid under a workbench.
  • GUARANTEE: Backed by an industry leading 5-Year Limited Warranty and a U.S.-based customer support team the Walk-Behind String Mower will perform for years to come.

Description

The Earthquake® Walk-Behind String Mower is the perfect all-terrain tool for making short work of your trimming and brush clearing tasks. The Walk-Behind String Mower is designed to help you go where other mowers can’t, while eliminating the back strain associated with carrying handheld trimmers. Never bog down in thick grass thanks to an easy starting, 160cc 4-cycle Viper® engine. An ultra-convenient Grab-N-Go™ engagement bail keeps the string mower engine running, but disengages and stops the trimmer head—eliminating the need to restart your engine when clearing debris from your cutting path. Load up the cutting head with 0.155 cutting line and easily clear a path up to 22” wide, and the cutting height can be adjusted from 1.5” – 3” to perfectly meet your needs. Extra-wide 2.5” x 14.5” airless wheels float over any terrain, while an adjustable handlebar provides a perfect fit. These features make the machine exceptionally well-balanced, easier to control and minimize operator fatigue. The one-piece, extra-long steel deck creates a stronger mower that can easily reach under fences and tree limbs and an oversized debris deflector directs clippings away from the operator for a clean and safe cut. When the job is complete, simply roll the unit back to the garage or shed and fold down the handlebar for simple storage. Backed by an industry leading 5-Year Limited Warranty and a U.S.-based support team, the Walk-Behind String Mower will perform for years to come.

Brand: EARTHQUAKE


Power Source: Gas Powered


Material: Alloy Steel


Color: Red/Black


Style: 160cc Viper


Item Weight: 70 pounds


Cutting Width: 22 inches


Operation Mode: Manual


Product Dimensions: 21.36"D x 40.6"W x 53.2"H


Number of Items: 1


Brand Name: EARTHQUAKE


Model Number: 40314


Number of Items: 1


UPC: 012642041112


Manufacturer Warranty Description: 5-Year Warranty


Unit Count: 1 Count


Global Trade Identification Number: 12


Number of Packs: 1


Manufacturer: Ardisam, Inc.


Included Components: Does not apply


Item Type Name: Earthquake Walk Behind String Mower With 160cc Viper 4-Cycle Engine, 22” Cutting Diameter, 14” Never-Go-Flat Wheels, Easy Assembly, Adjustable Handlebar, Model #40314


Manufacturer Part Number: 40314


Item Weight: 70 pounds


Cutting width: 22 inches


Item Dimensions D x W x H: 21.36"D x 40.6"W x 53.2"H


Wheel Size: 14.33 inches


Power Source: Gas Powered


Operation Mode: Manual


Maximum Adjustable Cutting Height: 3 inches


Minimum Adjustable Cutting Height: 1.5 inches


Number of Positions: 5


Material Type: Alloy Steel


Color: Red/Black


Style Name: 160cc Viper


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Works well
Style: 160cc Viper
Still new, so take that into consideration. Might add after using it for a few months or a year. For now - could not be better. Cuts through raspberry canes with ease. Tall grass & weeds - 3 feet tall and thick stems/trunks. Not trees, but thistle, nettle & heavy Prairie grasses. Changing the plastic cutting pieces is easy. They do not wear quickly. Engine has not bogged & starts easily - we'll see if that keeps up with age. With the large wheels it is easy to maneuver & handles well. ... show more
Reviewed in the United States on July 27, 2026 by Tsosie

  • Great string mower.
Style: 160cc Viper
I was hesitant to buy a string mower but this is amazing. It was super easy right out of the box. It was very easy to adjust the handle, put on the guard. add oil and gas. It started right up and I went through three foot tall weeds with no problem. I am super surprised and very happy.
Reviewed in the United States on July 16, 2026 by mike krause

  • Awesome
Style: 160cc Viper
This is by far probably the best piece of lawn equipment I ever bought. Part of back yard has this slope and over grown with some kind of undesirable grass. It was horrible looking at it. A friend told me this what he uses on his pasture fence line. He said this would work better than my weed trimmer and man was he right. I added the oil, flew to the gas station and bought non ethanol gas. My intention was to make sure it worked, I couldn’t resist and went straight to that hill like our loose cat. I knocked down that tall grass in a matter of minutes about 20. I was so impressed I almost couldn’t stop cutting. This an amazing machine boys and girls trust me. Out of the box just simply set up your handle. I love the feature that you don’t have to shut it off when not actually trimming. Some others turn off the you have to restart. Not this one, It just sit an idle until you are ready to cut. It’s super light and easy to push. The mowing height can be adjusted as well. I didn’t adjust. Just let it down easy or you will be hitting dirt 🤗. I’m also laying sod no more tall weed grass. My babe was like man this looks great. You can do any job with the right tool(s). I want to use it again but the tall weed grass is gone for this year. Now I can see any snakes and other unwanted critters trying to hide out. Can wait until next year. Highly recommended product perfect gift ladies for your guy Christmas is almost here. ... show more
Reviewed in the United States on November 9, 2024 by Lowe

  • HORRIBLE EXPERIENCE
Style: 160cc Viper
I purchased this as a gift for my adult son, first of all the product shipped with a faulty filter. The company did ship a replacement filter and the machine started and ran well. Upon trying to use the machine to cut overgrowth foilage, the debris wrapped around the spool and the line kept breaking. Contrary to the “alleged” videos posted by “supposed” customers stating the product worked great. That is a LIE! “Then” I attempted to send the Earthquake Walk Behind string weedeater back…….AMAZON referred my to The Manufacturer “Earthquake via Ardisan”. I just spoke to the Ardisan customer service department and they advised that the machine could NOT be returned because it had been “used”!!!! Well…….how ELSE are you suppose to know if the machine is going to WORK as advertised?!?!?!!!! BUYER BEWARE!!!!! This machine does NOT function as advertised (FALSE ADVERTISEMENT) and DO NOT trust the video reviews posted on line “they are OBVIOUSLY posted by bad actors”!!!! The bottom line is THIS EARTHQUAKE WALK BEHIND WEED TRIMMER is at best a $470.00 weedeater and does NOT cut down tall foilage as advertised. UPDATE: Thank goodness for Amazons Customer Service Dept. They fully refunded my money! Kudo’s to Amazon……and SHAME ON Earthquake Products (won’t ever purchase from them again) Lousy Customer Service! ... show more
Reviewed in the United States on February 17, 2025 by Texassean

  • Beast of a machine but wire that holds string broke
Style: 160cc Viper
Well I used a square .155 orange line, I convinced it'll cut through pretty much anything up to stalkings 1 inch thick. Its a beast of a machine. So here's the bad after using for the third time the metal "m" wire you thread line through broke off. I believe I read that happened in another review but bought anyways. Its a complete engineering flaw, that wire is just not strong enough for the resistance/ pressure from line tearing through brush, grass or weeds. So I ordered another head, see how that goes. ... show more
Reviewed in the United States on June 14, 2026 by Munoz Munoz

  • Excellent product!
Style: 160cc Viper
Very powerful mower! It was very easy to assemble. Though it is not a self propel mower, it was very easy to push through the grass. Cutting the grass was like using a hot knife through butter. I recommend this mower!
Reviewed in the United States on July 6, 2026 by Amazon Customer

  • Fairly Good Trimmer With A Few Problems
Style: 160cc Viper
The trimmer arrived in good condition, and there was not really any assembly needed. The handle bar was not formed correctly, so the position clamping mechanisms don’t work well without some applied physical torque and tweaking. I filled the crank case with oil and added some fuel. The trimmer started right up and ran well. I put about 30 minutes of work on it before shutting it down for an oil change. Guess what? There is no oil drain plug on the engine, and the manufacturer recommends removing the fill cap and then turning the trimmer on its side to empty the oil reservoir. Nice... After making use of this new high tech oil draining method, you will be spending some time cleaning dirty motor oil off of the wheels and mower deck housing. After changing the oil, I decided to check the air filter. The filter was completely clogged with debris, so I removed it. The filter housing is of poor design and will require very frequent cleaning. Additionally, the filter housing is located right next to the wheel, which prevents removal and proper cleaning without removing the wheel. Another engineering marvel... The filter itself was already oil fouled and damaged, as it does not really fit the filter housing correctly. Brand new engine already puking oil into the carburetor? Sweet! I have attached some pictures for your review. These pictures were taken after only a couple hours of work on the machine. In the absence of an air intake screen, or pre-filter, I wouldn’t expect this engine to last very long. You will need to stay on top of the air filter cleaning, possibly a few times a day, and even that is not a long term fix. The string height is said to be adjustable, but I disassembled the string head and found only about one inch of travel up and down for height adjustment. I’m giving three stars for this trimmer due to the problems I have mentioned. Would I purchase this trimmer again with what I know now? Probably not. I think there are better options out there, even if some, (not all) of them cost a little more $$ 5 Year “Limited” Warranty? I strongly recommend that you read the warranty verbiage before making your decision. I would also recommend reading the one, two, and three star reviews of this mower before you decide to purchase it. ... show more
Reviewed in the United States on July 27, 2025 by R J

  • Love it, works well
Style: 160cc Viper
This thing is a beast, not really anything I don't like about it. Just wish the weed whacker line held up better but that's not the machines fault really.
Reviewed in the United States on July 20, 2026 by fonewiz

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