Sno-Throw
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  • ​You will comfortably roll right along with this walk behind mower…thanks to an ergonomically designed multi-position handlebar that reduces wrist and hand fatigue…use the adjustment brackets to easily dial in one of six cutting heights for a professionally manicured look…to keep you rolling…the mower’s baked-on powder coated finish resists the effects of moisture, fertilizers and chemicals for years of reliable performance…it’s all right here…to dependably cut all your grass out there.​

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Specifications
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3 Model(s) Classic LM 21 Classic LM 21 SW Classic LM 21 S
Ratings
 
3.8

(based on 166 reviews)

 
3.8

(based on 166 reviews)

 
3.8

(based on 166 reviews)

Title
Classic LM 21Classic LM 21 SWClassic LM 21 S
ModelNumber
911170911194911193
Cutting Width
21"21"21"
Cutting Height
1" - 3.25"1" - 3.25"1" - 3.25"
Cut Positions
666
Engine Brand
KOHLER® XT-7.75Kawasaki® FJ180VKawasaki® FJ180V
Engine Power
173 cc179 cc179 cc
Drive Type
?
PushInfi-Speed® Variable Speed DriveInfi-Speed® Variable Speed Drive
Fuel Tank Capacity
?
0.37 Gallon (1.4L)0.48 Gallon (1.8L)0.48 Gallon (1.8L)
Ground speed
N/A4 mph4 mph
Deck Material
14 ga14 ga14 ga
Deck Construction
StampedStampedStamped
Product Warranty
3-year Limited Consumer
3-year Limited Consumer
3-year Limited Consumer
  Classic LM 21 Classic LM 21 SW Classic LM 21 S
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Video
Reviews

REVIEW SNAPSHOT®

by PowerReviews
AriensClassic LM21
 
3.7

(based on 121 reviews)

Ratings Distribution

  • 5 Stars

     

    (36)

  • 4 Stars

     

    (46)

  • 3 Stars

     

    (16)

  • 2 Stars

     

    (7)

  • 1 Stars

     

    (16)

73%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

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Most Liked Positive Review

 

This is - overall a great product -

Purchased the Kawasaki LM-21-SW a year ago - and I would recommend this mower. But I do have a couple of modification I wish Ariens would consider.
If you have...Read complete review

Purchased the Kawasaki LM-21-SW a year ago - and I would recommend this mower. But I do have a couple of modification I wish Ariens would consider.
If you have hills or any sloping terrain I would not recommend the swivel wheels. The unit wants to move in the direction of the slope. It would be nice if the swivel wheel lock mechanism would lock both wheels. One locked wheel is basically useless. I also need to load this machine onto a pickup and pushing it up a ramp is very tricky because of the swivel wheels.
Another issue is the pins that holds the front swivel wheels has fallen out a number of times. I have had to replace both pins (lost them in the grass) because the clasp that hold the pins falls out. I replaced both swivel wheel pins with new ones and replaced the clasp with a coder-pins. Now if I need to adjust my wheel height I have to replace the coder-pin. Makes it harder to adjust the height but now I am not at risk of losing the SW-Pin.
Changing the oil is next to imposable without making a mess. The drainage plug is set into the side of the engine disabling the ability to catch the oil when the drainage plug is removed. It would be nice if the unit came with some type of extension tube enabling the owner to change the oil without making a mess. I made an extension tube that I use enabling me to drain the oil out beyond the mower deck. Changing the oil a couple of times got me to think about this modification that should have been part of the design to begin with.
Like I said, I would recommend this unit. Over all it's a great machine. All of the above issues I have been able to work around making it a real nice unit.

VS

Most Liked Negative Review

 

Poor quality and poor service

I have not written a review for anything before but when Airens sent me an email asking me to review my purchase I couldn't resist. My father has an Airens roto-tiller he purchased used...Read complete review

I have not written a review for anything before but when Airens sent me an email asking me to review my purchase I couldn't resist. My father has an Airens roto-tiller he purchased used 30 years ago that has always worked great for all the gardens in the family as well as lots of neighbors so I had very favorable impressions of the brand. I purchased the mower from the Homeless Depot and used it once. It ran ok but was tough to start, I thought it was due to break-in. We had a extra cool, wet spring so I did not now again for several weeks. The mower was very hard to start, I had to use start fluid, looking at things I noticed the choke was not working properly. I found a local Airens dealer and took the mower in. After more than a week the shop called and said while they were an Airens dealer they were not authorized with Kohler so they could not work on the engine. I took the mower to Home Depot but the 30 days were up by a week or so, no luck there. I talked to Airens service rep who said there was a known problem with bad carbs. I was told to take it to a service center about 30 miles away. I dropped it off there and after a week they called and said that the problems were my fault and would not warranty it. Their reason was that there was grass on the inside of the air filter. I explained that it was due to my sons removing the air filter to spray starter fluid every time they had to start it or empty the bag. We had used it about 5 times on a 1/2 acre lot. I just gave the mower to a neighbor who wanted the wheels to replace his worn ones. I bought a Honda, my 10 year old daughter can start it right up. The Kohler engines, at least low end ones, are now made in China and quality is no where near what it once was.

Reviewed by 121 customers

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3.0

Good sturdy mower, but...

By 

from Tiverton, Devon, UK

Comments about Ariens Classic LM21:

Good machine, mows well, always starts (B&S engine). Found it didn't always shift the cuttings into the bag - especially if grass damp (wet summers here in UK) - had dealer weld wings onto blade to increase lift (the same as he did with a mate's Ariens) - no more problems lifting cuttings. This should have been standard for UK - the dealer knew exactly what I was wanting and how to achieve it.
Very disapointed with the drive - fine on level lawn but now mine isn't level (recently moved) - it's on an incline. Drive slips and is unreliable. I've had new drive bits (the rubber tyred wheel, etc..) and had the spring checked and tightened, but no better. Am now looking for a good mower with a direct drive with no possibility of slipping.

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3.0

Commercial User

By 

from Glasgow, Scotland

Site Member

Comments about Ariens Classic LM21:

Have bought 4 of these mowers. A good cut, fast speed on the ground, not to heavy.
Problem is the bearings in the drive assembly don't last long. Pity as otherwise a great mower.
Getting parts in the UK a problem. Approved dealers not much help.

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(1 of 1 customers found this review helpful)

 
5.0

12 years old and still running strong

By 

from North Aurora, IL

Site Member

Comments about Ariens Classic LM21:

I both this when I moved from a house that had a larger yard (had a rider) to a smaller yard. My primary reason for purchasing this mower (Scotts brand for Home Depot) was the overall design and specifically the front swivel wheels. Outside of normal maintenance and a replacing a few parts this mover still is running strong. A testimony to the quality products Areins puts out. I'd recommend this mower to anyone looking for a durable mower.

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(0 of 1 customers found this review helpful)

 
5.0

A+ product

By 

from Burlington, Ontario, Canada

Site Member

Comments about Ariens Classic LM21:

my first Ariens
used products on golf course years ago
wish I had bought one sooner!

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(0 of 1 customers found this review helpful)

 
3.0

Decent Lawn mower for price

By 

from Heidelberg, ON

Site Member

Comments about Ariens Classic LM21:

Started 1st pull from box. Hand vibrt'ns need work.

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(2 of 3 customers found this review helpful)

 
2.0

Lawn mower worked great for the first partial season. I...

By 

from Haldimand, ON

Site Member

Comments about Ariens Classic LM21:

The push behind lawnmower worked great for the first season I owned it. It started easily everytime I put it to work. Bagged the grass and cut level. Noticable difference when used for trimming and tight areas.
In the fall, I added the gas treatment additive for winter storage, and ran the mower for a good 15-20 mins. I put the machine away for the winter.
In the spring (2013) I could not get the lawnmower started. Tried everything. I went to local hardware stores to purchase a replacement spark plug - Champion 8815/B815. No one carries it. Apparently it is a special order (according to local outdoor equipment repair technicians.
I purchased the lawnmower at Costco - they do not provide warranty service.
Would I recommend the lawnmower - No. Why would I? it didnt even give me two full seasons of service before having to perform costly repairs to it.

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(0 of 2 customers found this review helpful)

 
5.0

Replaces our old Ariens mower

By 

from Vancouver, WA

Site Member

Comments about Ariens Classic LM21:

Great mower, just like the old 20+ yr old one we had

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(3 of 3 customers found this review helpful)

 
4.0

This is - overall a great product -

By 

from MA

Site Member

Comments about Ariens Classic LM21:

Purchased the Kawasaki LM-21-SW a year ago - and I would recommend this mower. But I do have a couple of modification I wish Ariens would consider.
If you have hills or any sloping terrain I would not recommend the swivel wheels. The unit wants to move in the direction of the slope. It would be nice if the swivel wheel lock mechanism would lock both wheels. One locked wheel is basically useless. I also need to load this machine onto a pickup and pushing it up a ramp is very tricky because of the swivel wheels.
Another issue is the pins that holds the front swivel wheels has fallen out a number of times. I have had to replace both pins (lost them in the grass) because the clasp that hold the pins falls out. I replaced both swivel wheel pins with new ones and replaced the clasp with a coder-pins. Now if I need to adjust my wheel height I have to replace the coder-pin. Makes it harder to adjust the height but now I am not at risk of losing the SW-Pin.
Changing the oil is next to imposable without making a mess. The drainage plug is set into the side of the engine disabling the ability to catch the oil when the drainage plug is removed. It would be nice if the unit came with some type of extension tube enabling the owner to change the oil without making a mess. I made an extension tube that I use enabling me to drain the oil out beyond the mower deck. Changing the oil a couple of times got me to think about this modification that should have been part of the design to begin with.
Like I said, I would recommend this unit. Over all it's a great machine. All of the above issues I have been able to work around making it a real nice unit.

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(0 of 2 customers found this review helpful)

 
1.0

Parts broke easily and carb replaced then finally had to...

By 

from Apopka Florida

Site Member

Comments about Ariens Classic LM21:

The very first day I had our mower, I pulled the cord to start it and the handle from the cord spun around and broke the knob to tighten the handle on the right side. Then replacing the air filter the plastic cover is hooke don by plastic tabs that broke off . The carb got stuck and the engine began smoking and would then stop...called..took it to suggested repair shop...first I was told it had to much oil, the 2nd time in the shop they replaced the carb, the 3rd time they said it was due to dirt getting in from air filter....we called kohler again and they said take to another repair shop we did...they replaced the carb...it happened again, they said nothing wrong with it...oh and all this time these shops charged me when they said nothing was wrong...finally the shop called kohler and they said to replace the carb one more time...we called and they then agreed to replace the motor....runs for now but the history of these carbs ..it will do it again soon and I will be out of luck...what a waste of money....should have spent the extra for a real name brand.

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(1 of 1 customers found this review helpful)

 
4.0

nice but needs work

By 

from rome ny

Site Member

Comments about Ariens Classic LM21:

very well made mower should outlast my mowing years,the only real downfall is the self propelled feature,it likes to creep up to faster speeds by itself,had the update done ,did not fix the problem,so i guess you live with a 700.00 mower that has a mind of its own.

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REVIEW SNAPSHOT®

by PowerReviews
AriensClassic LM21 SW
 
4.0

(based on 18 reviews)

Ratings Distribution

  • 5 Stars

     

    (8)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

78%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

No Cons

Best Uses

No Best Uses
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Most Liked Positive Review

 

This is the best mower I have ever owned!

Great suction for leaves and debris. Never had a self-propelled lawnmower before this is great! The swivel wheels get around my trees with ease. sturdy, heavy, great paint job. I love the...Read complete review

Great suction for leaves and debris. Never had a self-propelled lawnmower before this is great! The swivel wheels get around my trees with ease. sturdy, heavy, great paint job. I love the speed control. This is a very impressive machine. Going on my second season, and look forward to many more.

VS

Most Liked Negative Review

 

Won't buy again

I bought an ariens because the snowblower I had was great and I heard good things about the brand. I now live in the South and am mowing zoysia grass. I have the Kawasaki...Read complete review

I bought an ariens because the snowblower I had was great and I heard good things about the brand. I now live in the South and am mowing zoysia grass. I have the Kawasaki engine. The engine is very hard to start. I've already had to replace a bearing in a rear wheel (under warranty). I'm also disappointed in the mulching ability. Also, this mower is much heavier than most others. It wouldn't be a big deal (it's self propel) but it barely hauls itself through the grass. Let's just say I'm in much better shape after buying this mower. The swivel wheels are gimmicky and you wouldn't need them except the mower is so heavy it is nice to have them-just as long as you have no hills in your yard. If you do, you'll be fighting the mower and the wheel lock on it is useless. It needs to lock both wheels. Oh, and the self propel speed selector sticks. I had to jimmy it to get it to work. I'm pretty surprised with all the positive reviews here. I hope it's not a case of "I just dropped way to much on this mower, I can't possibly not like it." I've already tried selling it to buy something else but I can't get any money for it. Looks like I'm stuck with it.

Reviewed by 18 customers

Displaying reviews 1-10

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5.0

I would buy this Ariens SWC YES YES YES

By 

from Brillion, Wisinconsin

About Me Do-It-Yourself

Verified Reviewer

Comments about Ariens Classic LM21 SW:

Mine ARIENS swc is 23 years old and still going strong ! !

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    (1 of 1 customers found this review helpful)

     
    1.0

    Don't expect the self-propelled system to work (it won't).

    By 

    from Ramona, CA

    About Me Handyman

    Verified Reviewer

    Pros

    • Strong engine

    Cons

    • Requires Constant Maintenance
    • Self-propelled system doesn't work

    Best Uses

    • Landscaping
    • Large Lawns

    Comments about Ariens Classic LM21 SW:

    Do not buy this mower. I've owned the LM21SW Classic (911184) for 4 years, so I'm now out of warranty but that doesn't really matter since it has never worked right anyway. Since purchase, I have not been able to get through mowing my 1/2 acre lawn without the self-propelled system drive belt slipping off at least once (today it was 4 times and I finished the lawn, with the belt slipped off, as a manual mower) . During its warranty period, I had it serviced several times but it still never got through the lawn without throwing the belt. I'm more than 45 minutes away from this service center so it's a hassle to bring it there and it's the only one in San Diego County.

    I have replaced the drive belt 4 times, idler wheel 5 times, and idler spring 3 times myself. In fact, I now keep a supply of the drive belts, idler wheels and springs. When being serviced, at the authorized center, it appeared that the idler wheel, spring, and drive belt were also replaced each time. So we're looking at nearly 10 times and all this has been worthless.

    The design of this system is a belt and idler wheel which is subject to a flaw, the belt pops off the pulley too easily. It appears the inset of the main pulley wheel is not deep enough (or the flange is too low) and that the idler wheel is made of plastic (I've melted a few of these).

    I will never buy an Ariens with this type of self-propel system again and I recommend you don't either. Unless you like mowing the lawn as a manual push mower.

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      5.0

      Well, its like this........

      By 

      from Texas

      About Me Handyman

      Verified Reviewer

      Pros

      • Adjustable Cut-Lengths
      • Easy to Push & Steer
      • Ergonomic Grips

      Cons

        Best Uses

        • Landscaping
        • Large Lawns
        • Mulching
        • Small Lawns

        Comments about Ariens Classic LM21 SW:

        my 1988 model 21S lasted over 20 years, rear drive tires had to be replaced a couple of times and the Briggs engine needed a carb kit a time or two. Other minor things along the way, but I figured the mower lasted near 1,000 hrs, not bad, not bad at all in Houston Texas where you mow 11 months of the year in fierce heat and humidity. My beef is that Ariens took that mower, and in my opinion at least, cheapened it and applied various cost cutting measures to make a great mower less great. In 2009 I could no longer get the METAL replacement rear wheels/tires due to model and design changes by Ariens; and thus the best mower on earth became a great boat anchor, even though it still starts and runs. The new models appear much the same but can't help feeling the new models are less stout than the old ones, no need for that.

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          (0 of 1 customers found this review helpful)

           
          4.0

          Feed back for the Designer from a long term user

          By 

          from East coast Australia

          Comments about Ariens Classic LM21 SW:

          My wife & I mow 5 acres near Taree NSW Australia. Our cows have the remainder.
          Taree's climate is similar to Savannah Georgia, so grass grows very fast as it does there.
          Our front lawn area has 112 trees, made up of original native eucalypt trees & planted smaller native trees & shrubs. These eucalypts constantly shed bark, leaves & small twigs which the mower is expected to turn into fast decomposing lawn mulch.
          Our back lawn contains 40 fruit & ornamental tree & a fenced vegetable garden.
          We divide the lawn up into about 12 segments & mow every afternoon for about 1 hour in the 9 month growing season. Obviously this plan is undone by rainy days.

          In 2005 we purchased the B&S 6.75hp Ariens 21 inch mower. The mower performed all the functions we asked of it, mowing around all our trees & under the shrubs to leave a very small area uncut for hand clippers. We mow 80% of the lawn at Notch 4 & the remainder at High.
          The rear wheel rubber tyres wore out in 2010 which we thought was fair from the hours, however did complain when the new tyres only lasted 12 months & again 12 months even with extra care. To prolong tyre life we were forced to pay for a metal tyre guard for the outside of the tyre.
          Also in about 2010 the idler wheel failed from use & I believe again in 2015. In 2013 the handlebars came away from the lawnmower body & our serviceman was able to re-weld them. The B&S engine lasted the life of the mower.
          In 2015 the Ariens mower needed large amounts of replacement parts some of which were unobtainable, however, we were generally happy with the 10 years life & the quality of the final lawn appearance.

          In October 2015 we purchased the equivalent Gravely mower with a Kawasaki

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          5.0

          Classic LM SW

          By 

          from Shepherdstown, West Virginia

          Site Member

          Comments about Ariens Classic LM21 SW:

          I purchased this mower this spring(2015) because I have 2 acres in a somewhat hilly section of eastern West Virginia. I had owned a Toro 30" big mower. It was underpowered and just didn't do the job. However, my Ariens is just great. The mulcher part is good also! This mower has power and cuts really clean. The swivel front wheels allow me to get around the large number of trees on my property. This mower is as advertised. Just buy it and use it! You won't need another one! Sturdy and dependable!

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          (4 of 4 customers found this review helpful)

           
          4.0

          Versatile and durable

          By 

          from Alliance, NE

          Site Member

          Comments about Ariens Classic LM21 SW:

          The Veterans Cemetery I work at owns 2 of these machines. The swiveling front wheels make it very easy to maneuver, and the speed adjustment makes it easy for any of my staff to operate the mowers comfortably.
          The overall features and construction are very high quality. We have had a couple of issues losing the keepers from the height adjustmant pins on the front wheels, but overall are very happy with the performance of these mowers.
          After 2 years using them, I am impressed enough that when my home mower finally wears out, I am planning on getting one of these for myself.

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          (7 of 11 customers found this review helpful)

           
          2.0

          Won't buy again

          By 

          from Pittsboro, NC

          Site Member

          Comments about Ariens Classic LM21 SW:

          I bought an ariens because the snowblower I had was great and I heard good things about the brand. I now live in the South and am mowing zoysia grass. I have the Kawasaki engine. The engine is very hard to start. I've already had to replace a bearing in a rear wheel (under warranty). I'm also disappointed in the mulching ability. Also, this mower is much heavier than most others. It wouldn't be a big deal (it's self propel) but it barely hauls itself through the grass. Let's just say I'm in much better shape after buying this mower. The swivel wheels are gimmicky and you wouldn't need them except the mower is so heavy it is nice to have them-just as long as you have no hills in your yard. If you do, you'll be fighting the mower and the wheel lock on it is useless. It needs to lock both wheels. Oh, and the self propel speed selector sticks. I had to jimmy it to get it to work. I'm pretty surprised with all the positive reviews here. I hope it's not a case of "I just dropped way to much on this mower, I can't possibly not like it." I've already tried selling it to buy something else but I can't get any money for it. Looks like I'm stuck with it.

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          (4 of 4 customers found this review helpful)

           
          5.0

          Great mower will built.

          By 

          from East Liverpool, Ohio

          Site Member

          Comments about Ariens Classic LM21 SW:

          This mower is the best that I ever had and will tell all about how well it works. I should have got it sooner to save me alot of stress and work cutting my lawn. Hope to use it for a long time and how it is built I think it will be so.

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          (4 of 4 customers found this review helpful)

           
          5.0

          I AM VERY HAPPY WITH MY LM21SW

          By 

          from South Weymouth MA.

          Site Member

          Comments about Ariens Classic LM21 SW:

          This mower is everything that i wanted. I amvery happy with the features and performance. Very durable and easy to use. I also own a ariens snowblower and i am also very happy with it. keep up the good work. My dealer Quincy small engine repair is very good and professional and very easy to deal with. service is prompt and reliable.

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          (3 of 4 customers found this review helpful)

           
          5.0

          This is a thumbs up quality mower.

          By 

          from Strongsville, Ohio

          Site Member

          Comments about Ariens Classic LM21 SW:

          Mower was easy to set up and operate. I especially love the swivel front wheels. I am 74 yrs. young and have no problem handling this mower. Hope to do it another 20 yrs.

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          REVIEW SNAPSHOT®

          by PowerReviews
          AriensClassic LM21 S
           
          4.4

          (based on 27 reviews)

          Ratings Distribution

          • 5 Stars

             

            (16)

          • 4 Stars

             

            (8)

          • 3 Stars

             

            (1)

          • 2 Stars

             

            (2)

          • 1 Stars

             

            (0)

          89%

          of respondents would recommend this to a friend.

          Pros

          No Pros

          Cons

          No Cons

          Best Uses

          No Best Uses
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          Most Liked Positive Review

           

          21 years old and still running cast-iron sleeve is the...

          Upgrade to the best! Buy an ariens LM 21S! The self-propelled on this mower is industry-leading it not only pulls you uphills but it stops you from rolling down hills when turned on....Read complete review

          Upgrade to the best! Buy an ariens LM 21S! The self-propelled on this mower is industry-leading it not only pulls you uphills but it stops you from rolling down hills when turned on. The other thing I like about ariens mowers is their use of quality engines most mowers on the market use aluminum cylinders which wear out very quickly the Kawasaki Engine has a cast-iron sleeve my ariens mower has a Tecumseh vector engine which also has a cast-iron sleeve. Honda mowers do not have cast-iron sleeves nor do most MTD mowers or craftsman this is a very good mower for anyone who want something that will last. The deck is very well constructed, my neighbor just throughout a Honda mower with a rusted out deck that was much newer.

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          Most Liked Negative Review

           

          Disappointing and frustrating

          I have owned the Classic LM21 S for just over 1 year. As a homeowner user with a 1/2 acre lot, I felt that this mower might be more than I needed but...Read complete review

          I have owned the Classic LM21 S for just over 1 year. As a homeowner user with a 1/2 acre lot, I felt that this mower might be more than I needed but I wanted a durable and easy to use mower that would last a lifetime.

          Putting the negative first, the idler pulley wheel design on this mower is very poor.

          In one year, I have replaced the idler wheel three times. This is presumably due to misalignment. Basically the idler wheel is being melted by the drive belt which then necessitates its replacement. The design of the self-propel function is not sophisticated but it does rely of the belt being able to stay within the flanges of the wheel itself. However, the belt rides high and there is no way to adjust its height. So, as the idler wheel is made of plastic, it rubs and melts it until the belt will no longer stay on. It is unclear as to why the belt slips at all.

          An aluminum idler wheel may solve this issue as would the ability to adjust the belt's or wheel's height. After three wheel replacements in 1 year, I am considering having an aluminum wheel custom made for me.

          The mower, in all other respects, is excellent. It is very well made with a heavy gauge of steel for the decking which does not make the unit itself too heavy. The swivel front wheels make mowing around tight areas easy and have a lock-out for slopes. The Kawasaki engine is a dream with one-pull start even after two weeks of downtime.

          All in all, this is an excellent mower that is marred by a poor self-propel design. Had I known of this issue, I would not have purchased this mower but instead have looked for one that was gear driven.

          Reviewed by 27 customers

          Displaying reviews 1-10

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          4.0

          Good but not excellent

          By 

          from Green Bay WI

          Site Member

          Comments about Ariens Classic LM21 S:

          Runs great blows a little blue smoke when started. The self propel is a little tight when pushing around in garage the back wheels seem locked when you turn.

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          4.0

          Speed control not great

          By 

          from Montreal

          Site Member

          Comments about Ariens Classic LM21 S:

          My speed control slides slowly into hi speed and remains there while I am using the mower. I am frequently adjusting the speed to slow down the machine otherwise I am chasing the mower.
          I can adjust the setting by turning a bolt a quarter turn, but to get at the bolt is not easy as the cover plate is hard to reinstall. Also the connecting piece is made out of plastic and wont last.
          Otherwise, a terrific mower.

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          4.0

          engine

          By 

          from lubbock,tx

          Site Member

          Comments about Ariens Classic LM21 S:

          engine is hard to start and easy to flood-recommend starter fluid only and avoid using the primer bulb

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          4.0

          Great walk-behind lawnmower!

          By 

          from Boca Raton, FL

          Site Member

          Comments about Ariens Classic LM21 S:

          This is a great model! The swivel front wheels were the feature that sold me. The mower also has more than ample power. The mower is a single pull start and very easy to use. This is the second Airens same model that I have owned. I would recommend this model for use where there are landscape features that need precision movement with the lawnmower.

          Don

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          4.0

          I like this mower.

          By 

          from Sioux Falls, SD

          Site Member

          Comments about Ariens Classic LM21 S:

          It's a good product, but I had an issue with the differential after only using it 4 times. I took it in to the dealer and they fixed it (cleaned and lubed). I never had this issue on my previous Ariens mower which I used for 15 years.

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          3.0

          Solid with peculiarities.

          By 

          from Wisconsin

          Site Member

          Comments about Ariens Classic LM21 S:

          Positives: 1) amazing construction. It's solid. 2) extremely powerful motor. 3) agile despite its size.
          Negatives: 1) the set speed tends to fluctuate slightly during use as the adjustment rod moves in or out. 2) the front wheel locking mechanism engages unintentionally. 3) the gas reservoir is shaped in such a way that when being filled it's empty, empty, empty, then abruptly full and spilling fuel all over. 4) adjusting the deck height is a major pain.

          So all my negatives are design-related issues. They should be able to do better for such an expensive mower. I still enjoy mowing and, in the end, placed more importance on dependability, durability, and power than on design.

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          5.0

          Great lawn mower!!

          By 

          from Bloomingdale, GA

          Site Member

          Comments about Ariens Classic LM21 S:

          Heavy duty mower. Cuts beautifully. Kawasaki engine starts if you just look at it!! Love it. Highly recommended....

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          5.0

          Great Mower

          By 

          from Sammamish, WA

          Site Member

          Comments about Ariens Classic LM21 S:

          Second ariens mower last one went 15 years, only mower that vacuums like an ariens!

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          (1 of 1 customers found this review helpful)

           
          2.0

          The rear wheels will not disengage

          By 

          from Michigan

          Site Member

          Comments about Ariens Classic LM21 S:

          The rear wheels will not disengage and thus all turning tears up the grass. The manual does not address this and so I have no idea how to fix this. Really shouldn't have to fix something that was delivered in the last month anyway.

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          5.0

          Reliable

          By 

          from Brandon Manitoba Canada

          Site Member

          Comments about Ariens Classic LM21 S:

          The first time i went to use this mower this year (2013) it started with the first pull.

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          Accessories
          • Front Wheel Swivel Kit

            Front Wheel Swivel Kit

            For manueverability and tight turning.

            Part Number: 71104100
            Fits Current Models: 911170, 911194, 911193

          • Lawn Dethatcher - Walk-Behind Series

            Lawn Dethatcher - Walk-Behind Series

            Over time your lawn will accumulate a layer of thatch (old grass clippings, dead roots and other small debris). The Ariens Dethatcher combs thatch and clippings to the surface where they can easily be bagged or re-mulched.

            Part Number: 71102400
            Fits Current Models: 911170, 911193

          • Leaf Shredder Kit

            Leaf Shredder Kit

            The Ariens 21 in. Leaf-Shredder Kit is an easy-to-install accessory that shreds leaves and debris to make composting and disposal convenient.

            Part Number: 71103700
            Fits Current Models: 911170, 911194, 911193

          • Mulch Master Plug

            Mulch Master Plug

            Use the Ariens 21 in. Mulch Master Plug for Classic Walk-Behind Lawn Mowers to close off the rear discharge opening of your mower. This creates a cutting chamber that shreds grass into tiny clippings that help feed your lawn and keep it neat and clean.

            Part Number: 71102700
            Fits Current Models: 911170, 911194, 911193

          • Mulching Kit - Walk Behind

            Mulching Kit - Walk Behind

            Mulching Kit for Classic Walk-Behind Lawn Mowers helps you feed your lawn and keep it looking sharp as you mow. The bit's baffles fit underneath the deck to form cutting chambers for each blade to cut grass into tiny shreds.

            Part Number: 71103500
            Fits Current Models: 911170, 911194, 911193

          • Rear Bagger Kit

            Rear Bagger Kit

            Baggers are the perfect addition to any walk behind mower when the grass is too tall to mulch or when you need to dispose of the lawn clippings fast. The large capacity bag quickly mounts to your mower.

            Part Number: 71103000
            Fits Current Models: 911170, 911194, 911193

          • Straight Axle Conversion Kit

            Straight Axle Conversion Kit

            Tranform your front swivel wheels into a straight axle. This easy to install accessory is designed to fit on Ariens 21 In. Classic Walk Behind Lawn Mowers with the front swivel wheel design.

            Part Number: 71103900
            Fits Current Models: 911170, 911194, 911193

          Related Series
          Financing
          • Financing 

            Ariens® customers have a variety of financing programs available to them through authorized independent finance companies. However, Ariens® dealers are not required to offer finance programs.

            All financing is handled through transactions with the dealers and is not an option with online purchases.

          • Financing

            • Click here for Ariens® Consumer Financing options.
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