Model # 915159

Internet #202520064

Ariens Zoom 42 in. 20 HP Kohler 7000 Series V-Twin EZT Transaxles Zero-Turn Riding Mower

Discontinued Ariens

Zoom 42 in. 20 HP Kohler 7000 Series V-Twin EZT Transaxles Zero-Turn Riding Mower

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Product Overview

Delivery within 7-10 days by a local Ariens representative. At Delivery the customer will be taught by Ariens how to operate and maintain the mower. The Ariens Zoom 42 in. 20 HP Kohler 7000 Series V-Twin EZT Hydrostatic Transaxles Zero-Turn Riding Mower i

  • 20 HP Kohler 7000 Series twin-cylinder engine offers powerful performance
  • Twin EZT hydrostatic transaxles designed to deliver responsive, smooth, effortless control
  • 42 in. cutting width mows more grass in fewer passes
  • 12-gauge, stamped-steel deck with 3 maintenance free spindles and standard side discharge for user convenience
  • Zero turning radius saves you time and helps provide precision control and maneuverability with the tightest turning around obstacles
  • Travels up to 6 mph forward and 3 mph in reverse for efficient mowing
  • Fully welded steel frame with fixed front axle for durability and reliability
  • Foot-operated deck lift with 7 cutting heights ranging from 1.5 - 4.5 in. for a customized operation
  • Adjustable sliding high back seat provides enhanced operator comfort
  • Fully adjustable control arms can be adjusted in 3 different directions to help a ccommodate operator preference
  • 2 Gal. fuel capacity to help reduce refueling needs
  • Includes 3 year limited consumer warranty
  • Platform offers a low center of gravity to ensure improved stability, handling and hill-holding capability
  • Item usually ships in 7-10 business days
  • In most shipping areas, Ariens offers white glove delivery service, Zero-Turn mower will be shipped to your local Ariens authorized servicing dealer for set-up and inspection prior to home delivery, inspection includes operator’s manual confirmation, set tire pressure, check fluid levels, test start unit and file warranty registration information,
  • Disclaimer in qualifying area only - If an Ariens authorized dealer is not in your shipping area, Zero-Turn will ship unassembled, directly to you via regular truck delivery. To confirm White Glove Delivery availability prior to purchasing, call 888-927-4367 option #2.
  • Free White Glove Service available on this riding mower

  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name Zoom 42 in. 20 HP Kohler 7000 Series V-Twin EZT Transaxles Zero-Turn Riding Mower Z335M 42 in. 20 HP Dual Hydrostatic Gas Zero-Turn Riding Mower Zoom 42 in. 19 HP Kohler V Twin Zero-Turn Riding Mower Z345R 42 in. 22 HP Dual Hydrostatic Gas Zero-Turn Riding Mower
Brand Ariens John Deere Ariens John Deere
Ratings (145) (30) (70) (6)
Commercial / Residential Residential Residential Residential Residential
Terrain Type Flat with Obstacles Flat with Obstacles Flat with Obstacles Flat with Obstacles
Cutting Width 42 inches 42 inches 42 inches 42 inches
Engine Make OEM Branded OEM Branded Kohler OEM Branded
Size of Yard 1/2 - 2 Acres 1/2 - 2 Acres 1/2 - 2 Acres 1/2 - 2 Acres
Deck Type Stamped Stamped Stamped Stamped
View Product View Product View Product View Product



Assembled Depth (in.)
64 in
Assembled Height (in.)
43 in
Assembled Width (in.)
54 in
Cutting Width
42 inches
Front Wheel Size (in.)
Mower Deck Width
42 in
Rear Wheel Size (in.)
Turning Radius (in.)


Assembly Required
CA (CARB) Compliant
Not CARB Compliant
Commercial / Residential
Deck Type
Drive Type
Rear-wheel Drive
Engine Displacement (cc)
Engine Make
OEM Branded
Cup Holder,Deck cleanout,Keyed start,Mulching Lawn Mower,Rust resistant deck,Zero-Turn Capable
Fuel Tank Capacity (gallons)
Horsepower (hp)
Engine oil
Lawn Mower Type
Zero Turn Mower
Maximum Cutting Height (in.)
Maximum Forward Speed (mph)
Maximum Reverse Speed (mph)
Minimum Cutting Height (in.)
Mower Size
Number of Blades
Number of Cylinders
Number of Deck Wheels
Oil Capacity (oz.)
Product Weight (lb.)
Size of Yard
1/2 - 2 Acres
Start Type
Terrain Type
Flat with Obstacles
Transmission Type
White Glove Service
Free White Glove Service

Warranty / Certifications

Certifications and Listings
No Certifications or Listings
Manufacturer Warranty
3 Year Limited Consumer

More Products With These Features


Customer Questions & Answers

Is the choke separate from the throttle?

Is the choke separate from the throttle? Is there a separate choke lever or is it still Incorporated into the throttle lever?
Asked by: john
Yes, the choke has its own "Pull" lever separate from the throttle.
Answered by: Kent
Date published: 2015-09-20

How much longer will this mower be available?

How much longer will this mower be available?
Asked by: john
Sorry, I didn't mean when will it be discontinued. I would like to know how much longer before its taken off the site due to Summer almost being over
Answered by: john
Date published: 2015-09-20

What is the advantage of three blades over only two at this size mower?

Asked by: Ranch
I don't know the actual physics behind the possible advantage but I can say that even with very tall grass/weeds on the first mow this mower had no problems whatsoever cutting through everything.
Answered by: Kent
Date published: 2015-09-20

Does it cut in reverse?

I know some mowers have that safety cut off on them and I hate that!
Asked by: Trick
Yes, this mower cuts in every direction.
Answered by: Kent
Date published: 2015-10-01
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Customer Reviews

Zoom 42 in. 20 HP Kohler 7000 Series V-Twin EZT Transaxles Zero-Turn Riding Mower is rated 4.5 out of 5 by 145.
Rated 5 out of 5 by from Best residential zero turn mower on the market! The Ariens Zoom 42 is without a doubt the best built and best value residential zero turn on the market today. I did a lot of research before buying this mower, and looked at similar 42-50" Toro, Troy-Bilt, Cub Cadet, Craftsman, John Deere, and Husqvarna models. The MTD-built mowers (Troy-Bilt, Cub Cadet, etc.) don't mow in reverse (due to a lawsuit), so the PTO disengages the blades when you pull the levers back for more than a second or so...very annoying. You can bypass it by modifying the wiring, but who wants to do that on a brand new mower? The Ariens mows in reverse with no modifications. The Toro Timecutter SS 42" model was at the top of my list until I saw how the deck was attached. Like most of the residential zero turn mowers, the deck attaches with just 1 linkage bar in the front. The back of the Toro deck has brackets that hang on a rod. Other models have 2 rear brackets that connect to linkages with cotter pins. The Ariens has a beefy doubled front linkage and 4 (FOUR!) deck attachment points. It's so secure that the deck doesn't bounce at all when mowing a really bumpy yard. The Ariens is also the only mower I found in this price range with a foot deck lift. This is important because with both hands on the steering levers, you can't grab a lever to raise the deck to mow over a tree root, etc. The foot lift system is excellent and really easy to lift the deck. Consumer Reports (who loves the Troy-Bilt zero turns at Lowes) always gives points to the zero turn mowers that have the parking brake built into the steering levers (when you close them, the parking brake disengages electronically). I actually like the separate parking brake on the Ariens much feels much more solid and isn't electronic, plus it makes opening and closing the steering arms much smoother. The only complaint I read about during my research on the Ariens Zoom 42 was that it burned the grass if you stopped in one spot, but that Ariens dealers can get and install a heat shield to prevent the issue. I'm happy to report that my Ariens Zoom 42 came with this heat shield ALREADY INSTALLED, as well as a trailer hitch. See pictures attached to this review. Since this was the biggest complaint, I almost ordered the heat shield from Ariens before receiving the mower so I could put it on right away...I'm glad I didn't! I ordered the Ariens Zoom 42 on a Thursday from, I received an e-mail that it shipped the next week on Tuesday via New England Motor Freight. By Thursday it was at my local Ariens dealer (which normally only sells Ariens snow blowers), prepped, and ready to go. I could have had it delivered that Thursday but chose Friday. My particular dealer went above and beyond prepping the mower...even going so far as to highlight important things in the manual and color the hydro-bypass levers (to push the mower) to make them easier to find. I'm not sure if they adjusted the deck or not, but it's perfectly level and the cut looks GREAT. I have mowed once with the Ariens so far and you can immediately tell it's a quality built mower, which is really hard to find in the residential price range, even with tractor style instead of zero turn mowers. I've never driven a zero turn mower before, but within 10 minutes I figured it out and had no issues. Even while learning the steering, I still mowed by yard (around .75 acre) in half the time. I was originally planning on getting the mulch kit...not so much to recycle grass, but just to block the chute to keep grass out of the driveway, landscaping, etc. I do use my mower to mulch leaves in the fall, and had just the simple plastic chute blocker on my old Craftsman lawn tractor, which worked well. The Ariens deck does have the 2 little bars near the chute that look like a chute cover would bungee to, so I'm going to try to find or make a basic chute cover instead of getting the mulch kit. The mower cuts up the grass so well that barely anything comes out of the chute anyway. Anyway, if you're in the market for a residential zero turn mower, I think the Ariens Zoom series is the way to go. I went with the 42", which I think is the perfect size unless you have a much larger yard. I'm sure the Ariens 50" is an equally awesome machine.
Date published: 2014-08-16
Rated 4 out of 5 by from Great machine...especially for the price Ordered very late on a Weds night and took advantage of 10% off by opening a Credit card. It was delivered that next tuesday by a local lawnmower company and he showed me the functions and said driving it around is best way to learn. I have only had long enough for 3 mows, but went from 1hr and 45 min push mow to 35 min. Need to figure out if I'm letting it sit too long in certain spots as I have burn spots in some areas...but may be from new lawn company fetilization. have seen other complaints of hot muffler issues burning grass. Maybe they need a deflector plate or something.
Date published: 2012-06-01
Rated 5 out of 5 by from Love my Zoom 42 Zero Turn Had a John Deere Tractor for many years and it still ran and cut very well. I kept hearing guys tell how they liked the zero turn, so I sold my tractor and bought an Ariens, Best decision I ever made. It cut the mowing of my 2 acres almost in half and it's so much fun. The fact that it's American made is just a plus. I used to have to slow down in the spring when the grass was thick but now I just plow right through it and still get an excellent cut. I also love the very confortable seat and the fact that you can lean back on it. Some of my lawn used to be a hay field and is kind of rough, so I wish it had some shock absorbers.
Date published: 2012-06-15
Rated 5 out of 5 by from I Love this mower!.... I love this mower!...It was delivered within one week of placing the order online. Home Depot was a pleasure to order from and the service was great. It was delivered by local tractor company (Ariens Rep) and they provided instructions for use. I never knew how much fun I could have mowing my lawn....The mower has plenty of power, cuts even and is great for cutting my 2 acres...After many years of lawn tractors, I love the zero turn and all that it has to offer. I am sold on this really is great value for the money....
Date published: 2012-03-29
Rated 5 out of 5 by from Great entry level residential zero turn mower This is my first ride mower. I did a lot of research and decided to splurge on a zero turn instead of a standard ride mower. I narrowed my choice down to this Ariens and similar Gravely. They both have 3 blades, reliable powerful engines, great reviews, and excellent consumer warranties. I then learned that they're the same company with Gravely manufacturing mostly commercial equipment. My local Ariens/Gravely dealer assured me that the new Kohler 7000 engine was as good as the Kawasaki on the more expensive Gravely. Additionally, my landscaper told me he'd always had great luck with Kohler engines. I've only used it three times so far but it's been a true joy to use. It takes some getting used to maneuvering it but it's not terribly difficult. You have to be careful cutting near structures and objects because the deck protrudes out from what you see in front of you. The 3 blades cut very well and it has plenty of power and speed for my 1/2 acre. Servicing the engine shouldn't be too hard although the oil plug is awkwardly situated (that's why why they provided a rubber tube). I would have liked a 3 gallon gas tank as I've gone through about 1.5-1.75 gallons per cut so far. I expected a little better mileage. Adjusting the handles, seat, and cutting height were easy. I did try the deck wash out port with a hose but not sure I did it correctly. I only saw water coming out on one side and did not run the cutting deck. I am considering some car ramps or a jack so that I can get to the blades and scrape out any residue underneath.
Date published: 2014-05-11
Rated 5 out of 5 by from What a machine! I just bought this zoom zero turn to replace a standard lawn tractor. I have roughly 7 acres to mow, and this has cut my mowing time from about 10 hours over 2 days to just about 6 hours. My Wife loves the fact that I can now mow the lawn in half a day instead of all weekend! I would definitely recommend this mower to everyone. I did my research before buying and the Ariens Zoom was the best value. Keep in mind Value is the Price compared to the quality and features. The zoom is by far the best investment I have made for my lawn!
Date published: 2011-05-07
Rated 4 out of 5 by from Zero Turn Riding Mower I live in a rural area and have a ditch running in the front of my property by the road. The ditch has a incline on both sides and if the ground is damp from rain the mower will side a little and leave skid marks in the grass. The other problem I found is if you make a sharp zero turn around in one spot the mowers rear wheels will tear up the grass. The cut I get with the mower is very nice and even. Thats what I like about this Ariens mover is the nice even cut, It makes your lawn really stand out looking nice.
Date published: 2015-06-09
Rated 4 out of 5 by from I really like this mower I purchased this mower online near the end of the 2011 mowing season in Michigan. It is my first zero turn model and I was upgrading from conventional lawn tractor that I have used for 11 years. The zero turn radius is a great feature. For years, I also had to use a push mower to do my trim work around the many trees in my yard. I can now eliminate that mower completely and finish my 1 acre yard in about half the time it used to take me. My only complaint is that I bought the bagger system with this mower. The bagger works just fine, but if I stop the mower on the lawn to empty the bags, the hot muffler will burn a rectangular shape into the grass. I've learned the hard way not to let the hot mower rest on the grass.
Date published: 2012-03-30
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