Model # 11A-B9A9729

Internet #205640957

Store SKU #526047

Store SO SKU #639830

Yard Machines 21 in. 163 cc OHV Briggs and Stratton Gas Walk Behind Push Mower
0043033570416

Yard Machines

21 in. 163 cc OHV Briggs and Stratton Gas Walk Behind Push Mower

  • 163 cc Briggs & Stratton 675EXi Series Engine
  • 21 in. 3-in-1 Cutting Deck
  • High Rear Wheels
$ 239 00 /each
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Frequently Bought Together

Product Overview

Mower Features
Gas-Powered
Terrain - Sloped with Obstacles
5 Year Warranty
21in Cutting Width
1 Blade
cutting options: bag, mulch, side-discharge
  • 163 cc Briggs & Stratton 675EXi Series Engine
  • 21 in. 3-in-1 Cutting Deck
  • High Rear Wheels
The powerful 163 cc Briggs and Stratton engine delivers solid, efficient power to tackle the yard. This 21 in. Push Mower offers 6 cutting positions to cut grass down to size, with high rear wheels makes it ideal for use on uneven terrain. This unit also offers mulching which aides in healthy turf development for your lawn, side discharge or rear bagging option for easy-clean-up.
  • 163 cc Briggs and Stratton OHV engine
  • 1 Qt. gas capacity
  • SAE 30 Arnold brand oil
  • 18 oz. oil included
  • 21 in. steel deck
  • Dual lever, 6 position cutting height
  • Height range 1.25 in. to 3.75 in.
  • Side discharge
  • Rear bagger included
  • Mulch plug included
  • Adjustable loop steel handles with indent
  • 8 in. front wheels
  • 11 in. rear wheels
  • 2-years limited warranty
  • Model # 11A-B9A9729
  • Use fuel stabilizers to maintain your engine and increase the longevity of your mower

Product Overview

  • 163 cc Briggs & Stratton 675EXi Series Engine
  • 21 in. 3-in-1 Cutting Deck
  • High Rear Wheels
Model #: 11A-B9A9729
Sku #: 526047
Internet #: 205640957

The powerful 163 cc Briggs and Stratton engine delivers solid, efficient power to tackle the yard. This 21 in. Push Mower offers 6 cutting positions to cut grass down to size, with high rear wheels makes it ideal for use on uneven terrain. This unit also offers mulching which aides in healthy turf development for your lawn, side discharge or rear bagging option for easy-clean-up.

WARNING! Cancer and Reproductive Harm – www.P65Warnings.ca.gov

  • 163 cc Briggs and Stratton OHV engine
  • 1 Qt. gas capacity
  • SAE 30 Arnold brand oil
  • 18 oz. oil included
  • 21 in. steel deck
  • Dual lever, 6 position cutting height
  • Height range 1.25 in. to 3.75 in.
  • Side discharge
  • Rear bagger included
  • Mulch plug included
  • Adjustable loop steel handles with indent
  • 8 in. front wheels
  • 11 in. rear wheels
  • 2-years limited warranty
  • Model # 11A-B9A9729
  • Use fuel stabilizers to maintain your engine and increase the longevity of your mower

Info & Guides

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Price
$239.00 /each
$239.00 /each
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Name 21 in. 163 cc OHV Briggs and Stratton Gas Walk Behind Push Mower 21 in. High Wheel Gas Walk Behind Push Mower with Kohler Engine 21 in. 159 cc 3-in-1 High Rear Wheel Gas Walk-Behind Push Mower Recycler 21 in. Briggs and Stratton High Wheel Gas Walk Behind Push Mower
Brand Yard Machines Lawn-Boy Cub Cadet Toro
Ratings (434) (373) (851) (106)
View Product View Product View Product View Product

Specifications

Dimensions

Assembled Depth (in.)
62 in
Assembled Height (in.)
38 in
Assembled Width (in.)
22 in
Blade Length (in.)
21
Cutting Width
21 inches
Front Wheel Size (in.)
8
Mower Deck Width
21
Rear Wheel Size (in.)
11

Details

Assembly Required
Yes
CA (CARB) Compliant
CARB Compliant
Cutting Height Options
6-position
Cutting Options
Bag,Mulch,Side-Discharge
Deck Material
15 Gauge Steel
Deck Type
Stamped
Engine Displacement (cc)
163
Engine Make
Briggs and Stratton
Engine Torque (ft.-lb.)
0
Features
Adjustable Handlebar,Bagger,Foldable handle,Mulching Lawn Mower
Fuel Tank Capacity (gallons)
.25
Included
Bagger
Lawn Mower Type
Push Mower
Maximum Cutting Height (in.)
3.75
Minimum Cutting Height (in.)
1.25
Mower Size Type
Standard
Number of Blades
1
Number of Handlebar Positions
3
Oil Capacity (oz.)
15
Power Type
Gas
Product Weight (lb.)
76lb
Rear Wheel Height
High Wheel
Recommended Oil Type
SAE 30
Recommended Terrain
Flat
Refurbished
No
Returnable
90-Day
Size of Yard
1/4 - 1/2 Acre
Start Type
Pull Cord
Walk Behind Mower Type
Manual Push

Warranty / Certifications

Manufacturer Warranty
2-Year Limited Warranty

Specifications

Dimensions

Assembled Depth (in.)
62 in
Assembled Height (in.)
38 in
Assembled Width (in.)
22 in
Blade Length (in.)
21
Cutting Width
21 inches
Front Wheel Size (in.)
8
Mower Deck Width
21
Rear Wheel Size (in.)
11

Details

Assembly Required
Yes
CA (CARB) Compliant
CARB Compliant
Cutting Height Options
6-position
Cutting Options
Bag,Mulch,Side-Discharge
Deck Material
15 Gauge Steel
Deck Type
Stamped
Engine Displacement (cc)
163
Engine Make
Briggs and Stratton
Engine Torque (ft.-lb.)
0
Features
Adjustable Handlebar,Bagger,Foldable handle,Mulching Lawn Mower
Fuel Tank Capacity (gallons)
.25
Included
Bagger
Lawn Mower Type
Push Mower
Maximum Cutting Height (in.)
3.75
Minimum Cutting Height (in.)
1.25
Mower Size Type
Standard
Number of Blades
1
Number of Handlebar Positions
3
Oil Capacity (oz.)
15
Power Type
Gas
Product Weight (lb.)
76lb
Rear Wheel Height
High Wheel
Recommended Oil Type
SAE 30
Recommended Terrain
Flat
Refurbished
No
Returnable
90-Day
Size of Yard
1/4 - 1/2 Acre
Start Type
Pull Cord
Walk Behind Mower Type
Manual Push

Warranty / Certifications

Manufacturer Warranty
2-Year Limited Warranty

Questions & Answers

can you use this machine without grass catcher/

can you use this machine without grass catcher/
Asked by: 347gre
Of course. I used it without the bag attachment because I wanted it to mulch. This mower did an awesome cut and left no clumps whatsoever on the ground. And it goes. I cut 3/4 of an acre with it! Considering hiring anyone else... I figure 3 cuts and it has paid for itself!
Answered by: Lou
Date published: 2018-08-08

is this a single speed motor?

Asked by: pops
Yes, single speed.
Answered by: Kent
Date published: 2018-03-01

Does Yard Machines Model B9A9729 (163 CC engine) have a ready-start system that requires no priming or choking like Model B1BE729?.

Asked by: Clueless
Yes; there's no priming needed with this mower. You just pull the cord and it starts!
Answered by: Lou
Date published: 2018-08-07

Does this mower have the guaranteed to start guarantee?

Does this mower have the guaranteed to start guarantee?
Asked by: Mailman
I don't know, but this 2017 version and it's 2003 predecessor ALWAYS started with just one or two pulls. It's a big part of the reason I bought my replacement version from Yard Machine. (And in case you're wondering, the old 2003 model never did die or give me problems--I sold my old house and gave it to the new owner to sweeten the deal.)
Answered by: wootzie
Date published: 2018-07-27
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Customer Reviews

21 in. 163 cc OHV Briggs and Stratton Gas Walk Behind Push Mower is rated 4.0 out of 5 by 434.
Rated 5 out of 5 by from I really wanted a Cub Cadet but they didnt have any in store so I settled for this mower. I have ... I really wanted a Cub Cadet but they didnt have any in store so I settled for this mower. I have been very hard on this mower. I wanted it to blow up so I could buy a cub cadet, so in the last three years, ive never changed or checked the oil. It wont die. I left it out in the snow this winter, fired right up this spring. We got 18" of snow in April this year here in Wisconsin, the mower was in my way and I was mad so I launched that sucker into the back of the garage, nothing broke on it. I cant kill it. It keeps cutting. Starts on the first pull every time. Im sickened by how good this thing is holding up. I let my grass grow to like 8" and Im sure my neighbors were irritated with me but I dont really like them either. I ran the mower through the lawn really fast and I only got it to quit once. Then it started up again, what a tragedy. So anyway, Im gunna spray this thing yellow and put some cub cadet stickers on it. Just kidding, but red is pretty garby just sayin.
Date published: 2018-05-27
Rated 5 out of 5 by from great mower I used this mower for one full season now. I love it. Easy to assemble out of box. Great power with the190cc engine. I like the design of the bag as you can drop it down throught the handle and mount it. (Previous mower, I had to place the bag under the handle, then reach through the handle to mount). Starts on the first pull everytime. I never seem to fill the bag though, and there is a distinct pattern to the clippings inside the bag. This makes me wonder if it only fills so much due to design / airflow and reverts to mulching. The only downside I can think of is a small amount of clippings left in the recesses of the bag door, which fall to the ground when the bag is removed. You have to either pick them up or back over them when you restart the mower. We'll see how well it does next year after winter storage. I tend to use several storage techniques: run it out of fuel, fill it with fuel which has stabilizer added, or just start the engine every few weeks. Not sure which ill do with this mower yet.
Date published: 2014-10-11
Rated 4 out of 5 by from Set up was a little puzzling at first until I... Set up was a little puzzling at first until I realized I had to pull the handle out from the platform before screwing on the hand knobs. This mower has a slightly larger engine than my previous Briggs and Stratton mower, which makes it easier to cut the grass when it has got higher due to lots of rain and heat this year. I loved the free delivery option when ordering from the Home Depot site. My local store would have charged $79 for home delivery. I also bought the two year warranty, since my previous and one before that mower both came off worse after hitting tree roots and stumps. The mower comes with a bottle of oil. I didn't know that so purchased oil as part of my online order. I had to pick up the oil from my local store. This should be mentioned on the web site to save a couple of trips to the store. I've used the mower 3 times without any problems starting or running the engine. I always use the side chute for mulching rather than bagging. The side chute popped off a couple of times today when I was mowing into undergrowth but no different from my previous mower.
Date published: 2018-09-16
Rated 4 out of 5 by from The mower starts easily ands cuts well. The only... The mower starts easily ands cuts well. The only problem I have is the side discharge chute wants to come off. Other than that, very nice mower.
Date published: 2018-06-26
Rated 3 out of 5 by from Gave 3 stars because, based on previously owned product from same company, it PROBABLY would have... Gave 3 stars because, based on previously owned product from same company, it PROBABLY would have run well IF I had been able to use it. Arrived with box visibly beaten and damaged-so much so that somewhere down the line someone had wrapped the original box in extra cardboard and tons packing tape (previously owned YM mower came only in the original undamaged box and it was delivered to my door as well...). Upon unpacking, found that the bag of oil had burst/been burst. Oil was everywhere and all the documentation was ruined. Also, the oil had seeped in to the air filter and ruined that as well. In addition, both front wheels (or more accurately, the metal pieces that connected them to the body) were so badly bent outward that it would have been impossible to use the mower without replacing them. Very disappointed, as my first YM mower was a fine tool.
Date published: 2018-08-21
Rated 3 out of 5 by from Mower is running fine, only one use, but few design issues: 1. Plastic housing in front sticks ou... Mower is running fine, only one use, but few design issues: 1. Plastic housing in front sticks out beyond blade so you can nudge up to tree and et it to cut. 2. Height adjustments spaced too far apart. Old mower you could lever on or between pins. 3. Thumb screws at base of handles gets in way of bagger hanger pins. 4. No gas primer bulb. 5. Wheels don't have bearings.
Date published: 2018-07-31
Rated 1 out of 5 by from Bought this mower April 2017 and it worked great all season. Started with no problem this season ... Bought this mower April 2017 and it worked great all season. Started with no problem this season (2018) and used it for the 3rd time today. It started spitting out a lot of white smoke and oil is sputtering out of the exhaust. I maintained the mower by the book and to have it crap out after about 10 uses really sucks!
Date published: 2018-08-18
Rated 5 out of 5 by from I love the way this mower is SO light & easy to maneuver that I can guide it easily over the rou... I love the way this mower is SO light & easy to maneuver that I can guide it easily over the rough terrain in parts of my yard. I finally learned not to get features that I don't really use which make the mower heavy. This mower starts so easily, too. I can't think of anything that I dislike about it. The 163cc Briggs & Stratton motor has all the power that I need to cut down heavy weeds & plants such as alfalfa growing in my extended yard. I have had my Yard Machine for about 2 months & was delighted to have it delivered to me. I definitely like it much better than the mower that I had previously. Grass that is heavy & wet does not seem to clog going into the bag as it did on the mower that I had prior to this one. It exceeds my expectations in every way. Please see in attached photo how a 72 year old woman can pull the mower back up a hill because it is so light!!
Date published: 2017-05-17
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