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
$23900 /each
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Frequently Bought Together

Installation Options

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 163cc 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

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 163cc 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.

California residents: see   Proposition 65 information

  • 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

Info & Guides

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Price
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Name 21 in. 140 cc OHV Briggs and Stratton Walk Behind Gas Push Mower 21 in. 163 cc OHV Briggs and Stratton Gas Walk Behind Push Mower 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 Yard Machines Cub Cadet Toro
Ratings (780) (348) (695) (8)
Power Type Gas Gas Gas Gas
Engine Make Briggs and Stratton Briggs and Stratton OEM Branded Briggs and Stratton
Features Bagger,Foldable handle,High wheel,Mulching Lawn Mower,Rust resistant deck,Tool-free adjustments Adjustable Handlebar,Bagger,Foldable handle,High wheel,Mulching Lawn Mower Adjustable Handlebar,Assembly Required,Bagger,Deck cleanout,Foldable handle,High wheel,Mulching Lawn Mower,Rust resistant deck,Tool-free adjustments Rust resistant deck
Refurbished No No No No
Size of Yard 1/4 Acre or Less 1/4 - 1/2 Acre 1/4 Acre or Less 1/4 - 1/2 Acre
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 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,High wheel,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
Number of Blades
1
Number of adjustable handlebar positions
3
Oil Capacity (oz.)
15
Power Type
Gas
Product Weight (lb.)
76lb
Recommended Oil Type
SAE 30
Refurbished
No
Returnable
90-Day
Size of Yard
1/4 - 1/2 Acre
Start Type
Pull
Terrain Type
Sloped with Obstacles
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 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,High wheel,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
Number of Blades
1
Number of adjustable handlebar positions
3
Oil Capacity (oz.)
15
Power Type
Gas
Product Weight (lb.)
76lb
Recommended Oil Type
SAE 30
Refurbished
No
Returnable
90-Day
Size of Yard
1/4 - 1/2 Acre
Start Type
Pull
Terrain Type
Sloped with Obstacles
Walk Behind Mower Type
Manual Push

Warranty / Certifications

Manufacturer Warranty
2-Year Limited Warranty

Questions & Answers

is this a single speed motor?

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

can you use this machine without grass catcher/

can you use this machine without grass catcher/
Asked by: 347gre
The bag does not have to be used.
Answered by: CommunityAnswer
Date published: 2018-01-27

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
Answered by: Grunt
Date published: 2018-03-01

At what height should I cut my lawn?

Asked by: Joed
Bermuda should be cut pretty low. <1.5". However, most people don't have a level enough lawn to do that with a rotary mower, or a reel mower. Keep in mind that the only way to keep your lawn at 1.5 is to scalp it in the spring before green up and then maintain at that height (Bermuda only). The lower grass height will result in a denser lawn, crowding out weeds better than tall grass. The opposite of what the other guy said. Lower grass height will also require more maintenance (alfalfa for fertilizer, for example) every 30-45 days on a strict watering schedule. If your lawn is level, and I mean golf course level...skip the rotary and get a gas reel mower. You won't regret it.
Answered by: pjk91
Date published: 2017-04-28
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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 348.
Rated 4 out of 5 by from Only assembly problem had was getting a bolt to... Only assembly problem had was getting a bolt to go through one side of the handle. Started on first pull. Would have preferred to have a throttle on the mower as this runs full out all the time and burns more gas due to that fact. Also would have preferred an all metal base as I tip the mower on end to clean the bottom out before putting it away and not sure how long the plastic front is going to stand up. This was the only non-self propelled mower I could find with 8" wheels in the front. My yard has a number of tree roots in it and former mower had 8" wheels all around which made it difficult going over them. Would not have attempted doing it with a 7" wheel. Having 11" wheels in the back is making cutting much more of a breeze now. After using it twice am glad made this purchase.
Date published: 2018-04-10
Rated 5 out of 5 by from Assembled easily right out of the carton. Pulled wheels off cleaned and oiled them for easy pushi... Assembled easily right out of the carton. Pulled wheels off cleaned and oiled them for easy pushing. First start , pulled rope 3-4 times to prime carburetor. Starts now as stated. Sharpened the blades to get paint off of them for a clean cut. The clipping bag fills to quick takes a good bit of time to keep emptying it. There is NO THROTLE to adjust the engine speed. Other than those two faults it works great!
Date published: 2018-04-10
Rated 4 out of 5 by from Solid mower. Easy to use and works well. My only... Solid mower. Easy to use and works well. My only complaints are that the height adjustment lever on the rear wheel seemed a touch bent although still works just fine. I suppose I could remove rear wheel and just bend it slightly back into shape. Only other gripe is that the bag fills up surprisingly quick. Overall it's a good mower and I'm happy.
Date published: 2018-02-14
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
Rated 5 out of 5 by from The product came in a well protected box that had to endure torrential rainfall. Once the weather... The product came in a well protected box that had to endure torrential rainfall. Once the weather cleared, I opened the box and all was well. The picture diagrams for assembly caused some raised eyebrows, but the mower came together in short order. I love the ease of maintenance on this mower and it works like a charm!
Date published: 2018-04-17
Rated 4 out of 5 by from Ran strong. Easy to start. It did get clogged up a bit mowing 4 inch tall damp grass. With the ba... Ran strong. Easy to start. It did get clogged up a bit mowing 4 inch tall damp grass. With the bag on. But thats the same way my previous similer mower was. Overall I think its a good mower for the price.
Date published: 2018-03-13
Rated 5 out of 5 by from The mower was very easy to assemble and runs great.... The mower was very easy to assemble and runs great. Easy to use I already had a smaller version that I loved, they’re built tough and almost impossible to kill. Would recommend to anyone needing a push mower.
Date published: 2018-04-17
Rated 5 out of 5 by from I love this mower, my second yard machine; it works... I love this mower, my second yard machine; it works great and is easy to use. My first one lasted a long time, many years, and still worked, but the body finally gave out.
Date published: 2018-04-03
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