
Description
This corded electric lawn mower by Kobalt features a powerful 13 A motor and a large 21-inch steel cutting deck for durability and quick results. It offers 7 cutting heights from 1-3/4-in to 3-3/4-in. The lawn mower has a 3-in-1 design that allows for side discharge, mulching, or rear bagging and is equipped with a cord lock feature that prevents the cord from disconnecting.
- Simple electric start makes it easy to use without the hassle of gas and hazardous fumes
- 21-Inch steel cutting deck for durability and quick results
- 7-Position single lever height adjustment cuts grass from 1-3/4-in to 3-3/4-in
- 3-In-1 design offers versatile capabilities from side discharge, mulching or rear bagging
- Cord lock feature prevents cord from disconnecting allowing you to work safely and without interruption

Ecological Attributes
Using an electric tool generates significantly fewer greenhouse gases (GHGs) and air pollutants than a conventional model using gasoline. Also, the use of a plug instead of a battery reduces the impacts associated with its production and end-of-life.
Product specifications
Power Source
Electric
Adjustment Type
Single-lever
Amperage
13 NA
Assembled Weight (kg)
25.03872 Kilograms
Assembled Weight(lbs.)
55.2 lbs.
Bagger Included
Yes
Base Warranty Labor(Months)
60 Months
Base Warranty Parts(Months)
60 Months
Cord Length (cm)
15.24 Centimeters
Cord Length (in)
6 Inches
Cord Length (mm)
152.4 Millimeters
Cut Height Adjustment
7-position
Cut Width(cm)
53.34 Centimeters
Cut Width (in)
21 Inches
Cut Width(mm)
533.4 Millimeters
Cutting Range/yard Size (acres)
1/4 acre to 1/2 acre
Deck Material
Steel
Discharge Location
Rear and side
Extension Cord Included
No
File/Certification Number
218549
Front Wheel Size(in)
7 NA
Fuel Type
Corded electric
Maximum Cutting Height(cm)
9.525 Centimeters
Maximum Cutting Height (in)
3.75 Inches
Maximum Cutting Height(mm)
95.25 Millimeters
Minimum Cutting Height(cm)
4.445 Centimeters
Minimum Cutting Height (in)
1.75 Inches
Minimum Cutting Height(mm)
44.45 Millimeters
Model Description
13-Amp 21-Inch Corded Electric Lawn Mower
Mower Deck Width(cm)
53.34 Centimeters
Mower Deck Width (in)
21 Inches
Mower Deck Width(mm)
533.4 Millimeters
Mulching Capable
Yes
Number Of Cutting Positions
7 NA
Package Weight(kg)
28.000728 Kilograms
Package Weight(lbs.)
61.73 lbs.
Rear Wheel Size(in)
10 NA
Recommended For Terrain Type
Flat with obstacles
Safety Listing
CSA safety listing
Series Name
N/A
Start Type
Push button start
Type
Push
Vertical Storage
No
Warranty
5-year limited
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What is the assembled length of the Kobalt 13A 21-in Corded Electric Lawn Mower?
54" assembled length including handle
Date published: 2021-10-04
How long its cord is?
The cord that's on it is only about 18 inches long. You need to provide your own extension cord.
Date published: 2021-04-03
What are the dimensions of the box the mower comes in?
14" high, 23.5" wide and 32" long.
Date published: 2022-02-05
Does this lawn mower comw with a parts list?
Yes, it is printed in the manual.
Date published: 2019-08-16
Can to use this lawnmower without the bag or mulch attachment?
Yes you can, it comes with everything you need for mulching with the bag and if you dont want to mulch then you can remove the bag and put the plug in its place so that the clippings just fall on the lawn and blow out the side.
Date published: 2021-07-02
Which extension cord would work best for this Lawn Mower for a 50 feet length?
Manual that comes with this mower recommends 12 gauge(12awg) at 50 foot length for 13 amp lawn mower. 100 ft length cord is not recommended. 14 gauge(14awg) can only be used with cord length of 25 ft. Motor failure could occur from over heating with too small of gauge cord.
Date published: 2021-06-04
Where can I find the serial number of Lawn mover model #KM211-06 ?
Hello there,
Generally the serial number is found on/near a warning or danger label in a white strip on the back of the lawn mower. The serial number starts with 3 letters, followed by 7 digits and a manufacture date code.
Date published: 2019-09-16
Can the handle flip over so you can mow in the opposite direction without turning the mower around?
Hello there,
No unfortunately, this lawn mower does not allow you to flip the handle bars. You would have to turn the lawn mower when turning directions.
Date published: 2021-07-02
Kobalt 3-in-1 Electric Lawn Mower - 21-in - Steel - Blue/Black is rated
out of
5 by
34.
Rated 2 out of
5
by
Soderheim from
Problem with flying grass and rusty bolts
The machine cuts in such a way as to have grass fly upwards onto the deck and lid. Apparently the back plastic flap guard does not prevent the grass from shooting up when I uses the side discharger. The other problem is that it came with significantly rusty bolts to connect the handlebars to the machine; and the plastic wheels and front plastic lid are very easily scratched by branches or other items. Needs to be more robustly built, and should not have rusty bolts right out of the box. It cuts okay in dry weather but I am seeing rust already on the bolts and underbody of the deck so I am not happy.
Date published: 2019-09-12
Rated 5 out of
5
by
Izkz from
Love it
Bought this mower over 2 years ago it’s great. Love that it is corded so no battery to worry about dying mid mow. I needed a lawn mower that was light weight as I have stairs on both sides of my house so if I need to get it from front to back I need to lift it, this one I can lift. If you stay on top of mowing this one will be perfect, if you let your lawn grow a foot long then you will need a gas mower as it will bog this one down. It has been doing the job I hoped it would do with no issues for 2 years.
Date published: 2019-07-23
Rated 4 out of
5
by
Phanmac from
Pretty good electric mower...
I bought this 3yrs back and this year it suddenly stopped.. took it local lowes store and they returned my money, bought the same one again...
5yrs warranty is hassle free !! And electric mower itself is very good for 1/4 acre lawn.. mower is sturdy and perfect for household usage..
Date published: 2019-07-25
Rated 1 out of
5
by
Mathieu80 from
vibrations importantes jusque dans le manche
J'ai acheté la Kobalt 21'' hier. Je l'ai utilisé seulement 30 min. Elle vibre tellement que mes mains en fourmille encore. Je ne recommande vraiment pas cette tondeuse. Le bruit et les vibration sont extrêmement désagréables.
Date published: 2021-05-26
Rated 4 out of
5
by
Lman from
Good gas alternative
Bought this mower, approx a year ago. When compared to the gas-powered equivalent definitely notice more power delivery with a gas-powered mower on the thicker/ denser grass. I have a small lawn approx. 300-400 sq.ft and this mower does a good job providing a great manicured cut. I have never cut saturated wet grass or grass over 7-8 inches to minimize strain on the electrical motor. As well I use an extension cord with Amp rating >13 Amps again so as to provide the maximum mfg power rating to the unit.
Pros: noise level is satisfactory, easy and quick height adj, good cut, steel deck helps to keep mower stable when cutting, good sized wheels for easy pushing
Cons: Weight might be an issue for some when it comes to storage, wish the handles collapsed a bit easier for storage
Date published: 2020-04-18
Rated 5 out of
5
by
Kiko from
Great and simple
I just used this machine today and can't be happier. I read a lot of reviews about corded 120v or cordless battery operated which are convenience but either has its + and -. I decided to go corded 120v because you don't have to pay so much money for cordless mower. At some point you will have to buy replacement batteries and is even more pricier. Some people complaint about power cord is hard to deal to these people my advice is don't bother with this machine. If you think you are handy no problem working this mower go for it. I am so happy today, will sell my gasoline mower even thou is working flawlessly , no more, Expensive Tune ups (if you have to pay somebody to service your mower) + mechanic labor, gas (fumes), gas filter , oil, air filter, spark plugs and belt because is self propelled. SELLING IT. This electric mower I push with one hand like a vacuum doing my carpet it is so easy. When you mow nobody will even hear you compare to my gas one whole neighborhood can hear you (: . I bought this on sale $225 with tax included, some cordless mowers one battery is that much. One advice buy extension cord at least 14/3 means 14 gage wire not to have any problems 12 gage even better what I have. One thing I wished for is if it will store like some mower up right against the wall but still happy with my purchase.
Date published: 2021-04-30
Rated 5 out of
5
by
Anonymous from
KOBALT 21 13A LAWN MOWER
This lawnmower is great and easy to use. My 10 year old daughter used this lawnmower also, so it’s efficient and light enough for a young girl to use. We both love this lawnmower, perfect for a small yard!
I would certainly recommend others to buy this lawnmower!
Date published: 2020-08-07
Rated 1 out of
5
by
bpatc from
Not Happy
Did not work from day one. Tried a variety of extention ccords and the neighbours electical outlet and still did not work. Will return.
Date published: 2019-10-25