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Model # 960460054

Internet # 203642000

Store SKU # 522346

42 in. 21 HP Briggs & Stratton Automatic Gas Front-Engine Riding Mower

This item has been discontinued.
The Home Depot no longer carries this specific product.




Model # 960460054

Internet # 203642000

Store SKU # 522346

The Ariens 42 in. 21 HP Briggs and Stratton Automatic Gas Front-Engine Riding Mower is built around a powerful pressure-lubricated engine and offers a smooth, rugged, automatic transmission with lever control that lets you to match the speed to the task a

  • 21 HP Briggs and Stratton single cylinder engine has full pressure lubrication for longer engine life, easy to service air and oil filters
  • Smooth and rugged automatic transmission with fender lever control allows for smooth forward or reverse operation
  • Wide 42 in. mowing deck with spring-assisted deck lift plus 2 gauge wheels and deck washout port, anti-scalp front gauge wheels provide a cushion between the 42 in. deck and the ground, the washout port allows easy cleaning of a ccumulated grass and debris
  • Dual-blade cutting-deck design helps ensure that grass is cut evenly on every pass
  • Tight 16 in. turning radius allows you to maneuver around obstacles with ease
  • Mows in reverse for added convenience, no other tractor in this price range allows you to mow in forward and reverse, get the yard done in less time, especially when mowing in tight areas
  • Ergonomic, high back padded seat allows you to mow comfortably for hours, seat lever adjustment for the position that is most comfortable for you
  • 6 cutting positions let you cut grass down to as short as 1 in. and as tall as 4-1/2 in.
  • Travels at speeds of up to 5.2 mph forward and 2.9 mph in reverse for efficient mowing
  • Headlights provide task lighting for evening operation
  • 1-1/2-gal. fuel capacity minimizes the need for refueling
  • Durable, welded steel frame for long life
  • Delivered mostly assembled, simply attach the seat and steering wheel using simple instructions

Info & Guides

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Assembled Depth (in.) 
68.5 in 
Assembled Height (in.) 
49.5 in 
Assembled Width (in.) 
43.5 in 
Front wheel size (in.) 
Mower Deck Width 
42 in 
Rear wheel size (in.) 
Size of Yard 
1 - 2 Acres 
Turning radius (in.) 
CA (CARB) Compliant 
Not CARB Compliant 
Commercial / Residential 
Cutting Width (in.) 
Drive type 
Rear-wheel Drive 
Engine Displacement (cc) 
Engine Make 
Briggs & Stratton 
Engine Make 
Briggs and Stratton 
Assembly Required,Cup Holder,Deck cleanout,Headlights,Keyed start,Rust resistant deck 
Fuel tank capacity (gallons) 
Horsepower (hp) 
Engine oil 
Lawn Mower Type 
Front Motor Riding 
Maximum cutting height (in.) 
Maximum forward speed (mph) 
Maximum reverse speed (mph) 
Minimum cutting height (in.) 
Mulching Capability 
Yes with Proper Blade 
Number of Blades 
Number of Cylinders 
Single Cylinder 
Number of deck wheels 
Oil capacity (oz.) 
Power Type 
Product Weight (lb.) 
393 lb 
Start Type 
Uneven with Obstacles 
Transmission Type 
Warranty / Certifications
Certifications and Listings 
No Certifications or Listings 
Manufacturer Warranty 
2-year limited 


Rated 4.3 out of 5 by 533 reviewers.
Rated 4.0 out of 5.0 by Good machine at a great value I've only had my mower for a couple weeks now but, overall, it's performed well. Was originally looking at the model below this one but because of some out-of-stock issues, I ended up with this model. I'm glad it happened that way. The automatic transmission has been a great feature. It's essentially a throttle so you can adjust your speed constantly as you mow. Need to slow down for some trees? No problem, just pull back. Out in the open, push it all the way down. It's also nice having the washout port and deck wheels. The only downside is that I did put on the mulching kit and like a lot of other reviewers, it's ok. Doesn't keep all the trimmings underneath as it really should. But it is better than not mulching and much cheaper (and easier) than a bagging attachment. July 2, 2013
Rated 5.0 out of 5.0 by Just bought it but put it through the paces This model is well worth the extra $200 bucks. Love the auto trans - no peeling out on my lawn. Wash out is great. Headlights seem nicer than the base model. I have only used it 3 times (love riding it) to pick up all my fall leaves here in CT (bought the generic bagger which fit like a glove). The mower is solid - started right up. Took me all of 10 minutes to open the crate and get the wheel and seat on. Looked at all the other major brands and this was a no brainer. November 5, 2013
Rated 4.0 out of 5.0 by Solid mower, great value Love the mower. Has plenty of power. I love the key operated "Mow in reverse" feature. With my old mower, I had to hold a button in, tying up one hand. I had serious traction problems at first, but realized all the tires were over inflated about 8 lbs over max. Rear max is 10 psi, front is 14. Once I took care of that, it was grabbing the terrain a whole lot better. I miss the foot pedal operation I had on my old mower, but I'm getting the hang of it. My old mower wound up with the hood damaged and the headlights bashed in from the wife and kids, so I added a bumper also. It's a universal bumper advertised to fit any Craftsman mower. Bolted right up. I'm very happy with the performance/ price. July 27, 2013
Rated 5.0 out of 5.0 by I love it! don't know how I went so long with out it. Quieter than I expected and rides smooth. I love the ease of steering around trees and other obstacles. It is so easy to put gas into too. I was worried that would be difficult and I would spill glass all over. No problem. Oil filter is easy to see. Mower is pretty and comfortable to ride. Stops well and goes easy. I am really happy. June 11, 2013
Rated 5.0 out of 5.0 by Perfect For Me I am nearly 65 and have never owned a new riding mower. For the 35 years I've lived here on this acre I have only owned 3 used Snappers. If there was a good used one or a new one for a reasonable price I would own another. But this mower is about half the price and seems to be as good. I was going to buy a Husqvarna at Lowe's but it had to be ordered and I kept getting a run around on when it would come in. Ariens is made by Husqvarna and this one has the same features that I wanted for $300 less and in stock. It cut as good as or better than any mower I've used. I've always mowed at top speed but can no longer do that because this mower is so fast. I like the hand lever control but it is very stiff. It is tight on the turns. The ride was rough but the tires had double air pressure. None of this is significant. The employees were more helpful and knowledgeable than Lowe's. I had to go out of town to a Home Depot but it was worth it. May 16, 2013
Rated 4.0 out of 5.0 by So Far So Good I have only had this for less than a month, so far so good. Very powerful machine, very straight forward operation. Really love the ability to mow in reverse with my yard having so many tight areas. Also easy to maneuver, works much better maneuvering in tight areas, much better than the smaller Yardsman Bug I have. August 6, 2013
Rated 5.0 out of 5.0 by Great Value for the cost I am a 1st time owner of a Lawn tractor and I am loving it. What use to take me over 3.5 hours with a push lawn mower now takes me about an hour. This Ariens Model # 960460054 started right up. I added a hour meter that was easy to install and was about $25. I had a chat with the on-line chat with an expert from Home Depot to buy the right one. I also added a bumper to protect the front in case of an accicent and I put in a mucher kit. Both were easy to install. It is also nice that it can mow in reverse. I have mowed my lawn and 800 ft driveway three times. Since my lawn is not comletely flat there are dips and bumps, I was afraid of scalping the bumps so I started the blade height at 4.5" (It was also the first time I mowed this year & the tractor did not slow down over the really tall grass, over 8" in places.) and each time I brought the blade lower so the last time I mowed the blade setting was at 3" and everything still looked good. May 14, 2013
Rated 4.0 out of 5.0 by 1st opinion is great. After careful and extensive research for this mower. I decided on this model for HP (21) and 42in for size of yard and trees to mow around. Mowed first time all was great. Will update as time goes on. Pulled up hills good. Lots of speed, and did not bog down in tall grass with last years leaves. Only thing I have concerns about is this is only model with no guards over the belt pulleys on the deck. Did not notice this in any pictures. When I saw this at the store the salesman said it didn't come with any. March 2, 2013
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