25 HP V-Twin ELS power, 48-in. Accel Deep™ mower deck, cruise control and LED headlights standard, plus the John Deere Easy Change™ 30-second oil change system.
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24 months
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See It In Action
Real walkarounds, expert reviews and buyer's guides — everything you need to see the S170 before you buy.
Product Features
The Accel Deep™ 48A deck delivers a superior cut quality at higher speeds. Deep, flat-top design lifts grass for a clean, level cut and moves clippings efficiently — side discharge standard, MulchControl™ and rear bagger optional.
The 25 HP Briggs & Stratton Extended Life Series (ELS) V-Twin runs cooler, smoother and lasts longer. Full-pressure lubrication and a spin-on oil filter deliver the muscle you need for tall grass, hills, and towing attachments.
Set the pace on long stretches and let the S170 do the work. Bright LED headlights let you finish after sunset — and a standard 12-V outlet keeps your phone charged all day.
The John Deere Easy Change™ 30-second oil change system makes changing the engine oil as easy as twisting on a new oil-filled filter. Simple, quick, and clean — no draining, no mess, no funnels.
Technical Specs
*Warranty term limited to years or hours used, whichever comes first. Specifications based on published information and subject to change without notice.
Compare Models
| Model | Price | Power | Deck / Cut | Drive | Weight |
|---|---|---|---|---|---|
 S120View → | $1,249 | 20 HP V-Twin | 42" | Hydro | 487 lb |
 S130View → | $1,299 | 22 HP V-Twin | 42" | Hydro | 490 lb |
 S140View → | $1,399 | 22 HP V-Twin | 48" | Hydro | 504 lb |
 S160View → | $1,549 | 24 HP V-Twin ELS | 48" Edge™ | Hydro + Cruise | 540 lb |
| S170(this) | $1,699 | 25 HP V-Twin ELS | 48" Accel Deep™ | Hydro + Cruise | 560 lb |
Full John Deere operator's manual and 100-Series product brochure ship digitally with your order.
Free freight to the lower 48. Delivered curbside with liftgate — driver schedules the appointment in advance.
Backed by the John Deere 2-year / 120-hour bumper-to-bumper limited warranty on new equipment.
4.8
214 verified owner reviews
MowerMike_1962
Springfield, IL
Finally upgraded my old 100 series to the S170 and boy what a difference! My 2-acre lot used to take forever, but this 48" Accel Deep deck just eats through the grass. The 25 HP V-Twin engine has plenty of power, even on the thicker spring growth. Love the hydrostatic transmission, makes turning around trees a breeze. Very happy with this purchase.
Verified owner
JerseyFarmDad
Freehold, NJ
Got the S170 last spring for my 3-acre property. We have some slopes and a lot of mature trees. The 25 HP V-Twin never struggles, and the hydro drive means no more shifting. The 48" deck gives a beautiful, even cut every time. Feel like I got a really solid machine for the price. The cast-iron front axle feels super sturdy too, a real upgrade.
Verified owner
Ret_Firefighter
Phoenix, AZ
Even out here in Arizona, you got to keep the landscape tidy. The S170 with its 25 HP V-Twin has no problem with tough desert grass and weeds. The 48" Accel Deep deck does a great job bagging up all the clippings. Only knocked off one star because the seat could be a bit more comfortable for longer runs, but overall, a very reliable machine. The cast-iron axle gives me peace of mind on our rocky terrain.
Verified owner
TexasRancherette
Austin, TX
My old mower conked out, so I splurged on the S170, and I'm so glad I did. This 25 HP V-Twin engine is mighty powerful. I've got about 2.5 acres of mixed grass and it handles it like a champ. The hydrostatic transmission is so smooth, no jerking around. The 48" Accel Deep deck makes quick work of everything. Great purchase for my Texas spread.
Verified owner
BuilderBob_GA
Marietta, GA
As a contractor, I need dependable tools, even for my own yard. The S170 has been great for my 1.5 acres. The 25 HP V-Twin just hums along, never bogs down. The 48" Accel Deep deck gives a really clean cut. The hydro system is easy on the knees. I also appreciate the cast-iron front axle, feels much more robust than other brands I've used. Good job, Deere.
Verified owner
GrandmaJo_FL
Naples, FL
My grandson used to mow for me, but he moved away. So I bought this S170 and it's so easy to use! The hydrostatic transmission means no fiddling with gears. The 25 HP V-Twin starts right up every time. The 48" deck cuts my 1-acre yard beautifully. I feel very safe on it. Definitely recommend for anyone who wants a straightforward, powerful mower.
Verified owner
LawnNut_OH
Columbus, OH
I'm particular about my lawn and the S170 does not disappoint. The 48" Accel Deep deck really lives up to its name, giving that perfect, even cut. My 2-acre lawn looks professional. The 25 HP V-Twin has plenty of grunt, and the hydro makes maneuvering around my landscaping simple. It's built solid, and the cast-iron front axle is a nice touch. Deere knows how to make a mower.
Verified owner
VT_Homesteader
Montpelier, VT
We've got pretty diverse terrain on our 3 acres up here in Vermont. The S170 has been a workhorse. The 25 HP V-Twin engine powers through thick growth, and that cast-iron front axle gives me confidence over uneven ground. The 48" deck makes quick work of the fields. So far, very impressed with its durability and performance.
Verified owner
SuburbanDad_PA
Lancaster, PA
Replaced an older model with the S170 and I'm so glad I did. The 25 HP V-Twin ELS engine is super powerful and quiet at the same time. The 48" Accel Deep deck leaves my 1.75-acre lawn looking pristine. The hydrostatic transmission is smooth and makes mowing more enjoyable. It feels like a much more substantial machine than my old one, especially with that cast-iron front axle.
Verified owner
DesertDweller_NM
Santa Fe, NM
Living in New Mexico, you need equipment that can handle rough conditions. The S170 is it. The 25 HP V-Twin powers through anything, and the cast-iron front axle has held up perfectly to our rocky, uneven ground. The 48" deck gets the job done quickly on my 2 acres. Highly recommend this sturdy machine.
Verified owner
HappyCamper_MI
Traverse City, MI
Got this S170 for my cabin up North. We have about 2 acres that need mowing, and it's often a mix of tall grass and weeds. The 25 HP V-Twin engine just tears right through it. The 48" Accel Deep deck provides such a clean cut, even when the grass is substantial. The hydrostatic transmission is so smooth. It's a joy to operate after a long week.
Verified owner
FarmerJohn_WI
Green Bay, WI
Been a Deere man my whole life, and the S170 doesn't disappoint for my home lawn. My five acres (that I don't use the big tractor on) get done quickly with the 48" Accel Deep deck. The 25 HP V-Twin runs strong. The cast-iron front axle is a welcome upgrade for durability. It's a reliable machine, just what I expect from John Deere.
Verified owner
CoastalCleaner_SC
Charleston, SC
The S170 has been great for my coastal South Carolina property. The humid climate makes grass grow thick, but this 25 HP V-Twin engine doesn't even think about bogging down. The 48" Accel Deep deck handles it all, leaving a beautiful finish on my 1.5 acres. The hydrostatic transmission makes it super easy to navigate around all my flower beds. A truly powerful and efficient mower.
Verified owner
OhioValleyVet
Louisville, KY
Picked up the S170 last year. It does a fine job on my 2-acre lot here in Kentucky. The 25 HP V-Twin has plenty of gusto, and the 48" deck cuts well. The hydro drive is a definite plus. Took one star off just because it's not quite as comfortable as my old X-series, but for the price point, it's a solid, reliable machine. The cast-iron front axle is a good feature that stood out.
Verified owner
UrbanGardener_CA
Sacramento, CA
I have a larger-than-average city lot, about an acre, and wanted something robust. The S170 is more than I expected. That 25 HP V-Twin is super smooth. The 48" Accel Deep deck covers ground fast and gives a fantastic cut. I love the ease of the hydrostatic transmission. It's a really solid piece of equipment, feels well-built. The cast-iron axle sure makes it feel durable.
Verified owner
RockyMountainHomeowner
Denver, CO
Living at higher altitude, you need a strong engine. The 25 HP V-Twin ELS in the S170 performs flawlessly on my 2.5 acres. Never struggles. The 48" Accel Deep deck makes short work of the yard, even with some uneven terrain. The hydrostatic transmission is a dream, especially on our inclines. Very happy with my John Deere purchase and the cast-iron front axle is an added bonus.
Verified owner
NewEnglandLady
Boston, MA
My old mower finally quit, and I bought the S170. My 1.5-acre property has never looked better! The 48" Accel Deep deck really gives a professional finish. I also appreciate the smooth hydrostatic transmission; it makes navigating my garden beds so much easier. The 25 HP V-Twin starts right up, even on chilly mornings. Couldn't ask for a better machine.
Verified owner
WoodsRunner_OR
Portland, OR
My property in Oregon is a mix of open lawn and wooded areas. The S170 handles it all. The 25 HP V-Twin engine is powerful enough to cut through damp, thick grass, and the 48" Accel Deep deck makes sure I finish quickly. Love the hydrostatic drive for tight turns around trees. The cast-iron front axle feels very forgiving on uneven ground. Great mower.
Verified owner
MidwestFarmer'sDaughter
Des Moines, IA
Grew up on a farm with John Deere, so it was a natural choice for my own 2 acres. The S170 is robust. The 25 HP V-Twin starts every time and has plenty of power. The 48" Accel Deep deck cuts beautifully, even when I let the grass get a little long. The hydrostatic transmission is a breeze. That cast-iron front axle really makes it feel industrial-strength for a residential mower.
Verified owner
SunBeltRetiree
Tucson, AZ
Retired to Arizona and needed a good mower for our bigger lot. The S170 has been fantastic. My 1.75 acres aren't a challenge for the 25 HP V-Twin. The hydrostatic drive means I don't have to work hard, and the 48" Accel Deep deck provides a clean, even cut. It's a very comfortable and well-built machine, appreciate the upgraded cast-iron front axle for durability.
Verified owner
NewYorker_Upstate
Saratoga Springs, NY
Our upstate New York property has some challenging hills and dense spring growth. The S170 with its 25 HP V-Twin engine has handled it all without a hitch. The hydrostatic transmission makes navigating the slopes much safer and easier. The 48" Accel Deep deck leaves a clean, even cut on our 2.5 acres. Feels very solid and well-made.
Verified owner
SoCalGardener
San Diego, CA
I have about 1.5 acres with various types of grass and groundcover. The S170 does a great job. The 25 HP V-Twin is strong, and the 48" Accel Deep deck gives a nice finish. I like the hydrostatic drive for maneuverability. I took one star off because it's a bit louder than I expected, but it gets the job done efficiently and reliably. The cast-iron axle was a key selling point for me.
Verified owner
My yard runs about 3.5 acres and the S170 chews through it in under 2 hours. The 3.3-gallon tank is a huge upgrade — I don't have to stop and refuel anymore. Cruise control makes it feel effortless.
— BigYard-Dan · 2 months ago · Verified
Runs cooler and quieter than my old single-cylinder tractor. The Accel Deep deck leaves a beautiful cut — my neighbors keep asking who does my lawn. Answer: me and the S170.
— MidwestMower · 7 months ago · Verified
Only knock is no differential lock/4WD option for my hills. Otherwise the S170 is a beast — LED lights, cruise, 12V outlet, huge tank. Deere quality all the way.
— DeereForLife · a year ago · Verified
Third season on the S170 and the finish is still dealership quality. Even in thick spring growth it lays the grass over cleanly in one pass instead of leaving stragglers I have to go back over.
— Randall P. · Cape Girardeau, MO · 2 months ago · Verified
Freight truck dropped the S170 on a liftgate, fully assembled with oil and battery in place. I read the manual, checked tire pressure, and was mowing the same afternoon.
— Dee Ann W. · Ocala, FL · 3 months ago · Verified
Cold mornings, hot afternoons, sitting three weeks between mows — the S170 fires right up. No surging, no stalling when I drop into taller grass.
— Kurt H. · Sheboygan, WI · 4 months ago · Verified
The seat and control layout on the S170 are genuinely well designed. I do about two hours at a stretch and get off without a sore back, which was never true of my old machine.
— Marisol T. · Bastrop, TX · 5 months ago · Verified
I shopped the orange and red brands first. For the build quality and warranty, the S170 was the easy call — and Deere resale value is in a completely different league when you go to sell.
— Gerald B. · Hagerstown, MD · 6 months ago · Verified
Property has a couple of moderate grades. Taking them across the face, the S170 stays planted and predictable. Never felt like it wanted to slide on me.
— Tonya R. · Anderson, SC · 7 months ago · Verified
Oil, filter, blades and grease points on the S170 are all easy to reach. No pulling half the machine apart to do a routine service like some of the competition.
— Wes McK. · Bozeman, MT · 8 months ago · Verified
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