Black FridayDealsBuying guidesBrandsStoresResearchTermsPrivacydeal.ai apps
Black Friday 2026:TVsLaptopsHeadphonesAppleGamingVacuumsKitchenToysSmartwatchesTabletsFurnitureMattresses

© Deal.ai Inc.

Deal.ai › SENIX
Senix
SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower

SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower

3.2· 925 ratings

Best price now

$199.98at WalmartObserved Nov 5, 2026, 6:40 PM

Compared across 3 stores. Prices are checked against each store and labelled with when.

Visit Walmart

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Our take on the SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower

The Senix 20-inch push mower is a basic gas walk-behind with a 144cc 4-cycle engine, a steel deck and a prime-and-pull start. It mulches and side-discharges but does not bag, and its single-lever height adjustment covers only 1.35 to 3.15 inches. At $199.98 at Walmart as of November 5, 2026, it sits at the low end of what 20-inch gas mowers cost new.

Best forSmall to medium flat lawnsBuyers on a tight budgetMulching-only mowingSimple gas mower with few electronics
Pros
  • 20-inch cut and 3.4 HP engine handle small to medium lawns
  • Mulch and side-discharge give two clipping options
  • Steel deck is more durable than plastic at this price
  • 39.3 lbs is light for a gas mower
  • Prime-and-pull start needs no battery or electric starter
Cons
  • No bagging, so clippings must be mulched or side-discharged
  • Only 3 cutting heights, topping out at 3.15 inches
  • Push only, with no self-propel for slopes or thick grass
  • Pull start can be tiring for some users
  • 3.2 out of 5 from 925 ratings suggests mixed owner satisfaction

SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower prices at every store

  • WalmartNew

    In stockSold by SENIX Tools

    $199.98Observed Nov 5, 2026, 6:40 PM
    Visit store
  • senixtools.comNew

    In stock

    $229.99Observed Nov 5, 2026, 6:40 PM
    Visit store
  • eBayNew

    In stockSold by sli4709

    $279.97Observed Nov 5, 2026, 6:40 PM
    Visit store

Also available at

  • DK HardwareCheck price at DK Hardware
  • ennokiCheck price at ennoki
  • Global IndustrialCheck price at Global Industrial
  • Ideal True Value Home CenterCheck price at Ideal True Value Home Center
  • MartDiscover.comCheck price at MartDiscover.com
  • National Supply NetworkCheck price at National Supply Network
  • SearsCheck price at Sears
  • SENIXCheck price at SENIX
  • Upzy.comCheck price at Upzy.com

SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower price history

Lowest price we've seen: $199.98 on Nov 5 at Walmart. Tracked across 12 stores since Nov 5.

What reviewers say

  • 3.2 / 5925 ratings

Owner feedback is mixed, averaging 3.2 out of 5 from 925 ratings. Buyers tend to like the low price and simple operation but report issues with starting and cut quality.

What people mention
  • StartingCriticisedSome owners say the prime-and-pull start takes several pulls or stalls after starting.
  • Cut qualityMixedReviews split between a clean mulch cut and uneven results in taller grass.
  • Height adjustmentCriticisedOnly three positions and a 3.15-inch maximum are called limiting for thick or uneven lawns.
  • WeightPraisedOwners find the 39.3 lb mower easy to push and maneuver.
  • BaggingCriticisedThe lack of a bag is a common complaint from buyers who want to collect clippings.

Specifications

Mower Type
Walk Behind
Drive Type
Push
Self Propelled
No
Power Source
Gas
Start Type
Prime N’ Pull system
Cutting Width
20 in
Bagging
No
Cutting Height Options

Questions and answers

Is the Senix 20-inch mower self-propelled?
No. It is a push mower, so you supply all the forward force. That is fine on flat lawns but harder on slopes.
Does it bag clippings?
No. It mulches or side-discharges only, so there is no bag or bagging chute.
What cutting heights does it offer?
Three positions from 1.35 to 3.15 inches. That range is short for tall or uneven grass.
How big a lawn will it handle?
Senix rates it for small to medium lawns. The 20-inch cut and 3.4 HP engine suit quarter-acre to half-acre lots.
Is $199.98 a good price?
It is the best new price among the 3 stores listing it as of November 5, 2026, and low for a 20-inch gas mower. Watch for seasonal end-of-spring discounts.
What engine does it use?
A 144cc 4-cycle single-cylinder engine rated at 3.4 HP. It runs on regular gas with no oil mixing.
Where is the SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower cheapest?
At Walmart, for $199.98, as of our latest check.
What do buyers say about the SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower?
Rated 3.2 out of 5 from 925 ratings.
Where can I buy the SENIX 20-Inch 144cc 4-Cycle Push Gas Lawn Mower?
12 stores we checked sell it, including Walmart, senixtools.com, eBay, DK Hardware, ennoki.

More from SENIX

  • S
    SENIX 4QL 46cc 4-Cycle 16" Gas Chainsaw
    SENIX 4QL 46cc 4-Cycle 16" Gas Chainsaw
  • 2
    20V MAX Brushless Lithium-Ion 1/2 in. Cordless Drill Driver Kit (2 Ah)
    20V MAX Brushless Lithium-Ion 1/2 in. Cordless Drill Driver Kit (2 Ah)
  • S
    SENIX 20" 144cc 4-Cycle Push Gas Lawn Mower
    SENIX 20" 144cc 4-Cycle Push Gas Lawn Mower
  • S
    SENIX X6 60V Max 21 in. Brushless Cordless Push Lawn Mower Kit with Battery & Charger
    SENIX X6 60V Max 21 in. Brushless Cordless Push Lawn Mower Kit with Battery & Charger
  • S
    SENIX 40V Max 15-inch Battery Powered Lawn Mower
    SENIX 40V Max 15-inch Battery Powered Lawn Mower
  • S
    SENIX 22" 201cc Gas Self-Propelled Lawn Mower
    SENIX 22" 201cc Gas Self-Propelled Lawn Mower
  • S
    SENIX 21" 144cc Gas-Powered 4-Stroke Push Lawn Mower LSSG-M14
    SENIX 21" 144cc Gas-Powered 4-Stroke Push Lawn Mower LSSG-M14
  • S
    SENIX 21" Self-Propelled 170cc Gas Lawn Mower LSPG-M10
    SENIX 21" Self-Propelled 170cc Gas Lawn Mower LSPG-M10
All SENIX deals and products →
3 positions
Maximum Cutting Height
3.15 in
Minimum Cutting Height
1.35 in
Mulching
Yes
Side Discharge
Yes
Engine Horsepower
3.4 HP
Engine Displacement
144 cc
Engine Type
4-Cycle
Cylinders
1
Deck Material
Steel
Deck Size
21 in
Overall Dimensions
26" X 22.2" X 13.6"
Weight
39.3 lbs
Coverage Area
Small to medium-sized lawns
Blade System
Mulching
Blade Material
Steel