John Deere S120 42 in. 22 HP V-Twin Gas Hydrostatic Riding Lawn Tractor

Easy to Own, Use and Maintain

Best in class ergonomics that is both comfortable and easy to operate.

Backed by John Deere Certified Technicians.

Your John Deere dealer is here to answer questions about products, service, parts and more.

For Yard and Lawn Care

Customize your mower with the right attachment for any job.

Easy Change 30-Second Oil Change System

The John Deere Easy Change 30-Second Oil Change System makes changing the engine oil easy, quick, and clean.

Easy – Read Fuel Gauge

An industry first in this category, the Easy – Read Fuel Gauge is easy to see from the seat.

15″ open high back seat

15-in. two-piece seat with an open back. Increased comfort that is cooler and won__ collect rainwater.

Hydrostatic transmission w/side by side pedals

This Industry Exclusive feature provides quick and easy forward and reverse direction changes. Easier maneuvering leads to less time mowing.

22 hp John Deere Engine

22-hp (16.4-kW) V-twin engine has plenty of power to handle tough mowing,mulching,and bagging conditions.

42″ Edge Cutting system

The Edge Cutting System is made to process and efficiently disperse more grass.

Cruise control

Cruise control kit allows the oprator to set and maintain speed. Ideal for use in mowing on larger properties.

Ergonomically designed Height of Cut handle

13 different cutting height options are available. Cutting heights range from 1 to 4 in. in 1/4 in. increments

MowerPlus App

Tracks user__ current mowing session with average mowing speed, area covered, and items such as fuel level and battery health.

Built in Greeneville, TN US

Made in the USA.

Built in Greeneville, TN, the John Deere S120 riding lawn tractor is the premium 42 in. deck model of the 100 series line up. You’ll experience more power and smoother operation with a John Deere branded 22 HP V-Twin engine. The ergonomic design of the operator’s station is wide and comfortable. Side-by-side foot pedals control the speed and direction of travel, while the cruise control provides a constant mowing speed, good for mowing larger properties. The 42 in. Edge mower deck is time-tested and, with its deep deck design, proven to offer superior cut quality. This mower can easily be equipped to bag or mulch. For easy serviceability, the S120 offers the John Deere Easy Change 30-Second Oil Change System. It’s the original All-In-One oil and oil filter canister, allowing anyone to easily change the tractor oil with no tools required.

• For questions about service and repair, please call the John Deere Customer Contact Center at 800-537-8233 or reference the Service & Repair document
• 22 HP V-twin John Deere branded smooth running engine to mow, haul and get it all done
• 42 in. edge cutting system has a deep deck design to lift grass for a superior cut with a smooth underside to prevent grass buildup
• Easy read fuel gauge placed on the dash allows customers to easily see how much fuel is left in the tank
• Mower deck lift lever easily raises and lowers the deck from 1 in. to 4 in. with 13 different cutting heights available
• Ergonomic operator station is wide and comfortable with easily adjustable controls
• John Deere easy change 30-second oil change system is under the hood, this all-in-1 oil and oil filter canister, allows anyone to easily change their oil with no tools required
• 15 in. high-back seat is easily adjustable, with 10 possible positions, adjustments can be made while seated for the perfect fit
• Powerful (300 cca) battery helps with starts even after lengthy storage
• Cruise control maintains tractor speed for mowing larger areas
• Fully welded steel frame and cast iron front axle provides strength and durability with an optional front bumper available for added protection
• Hassle free ownership a John Deere authorized technician will perform a thorough 10-point pre-delivery inspection on all new John Deere mowers prior to sale
• Baggers, carts, aerators, spreaders, front blade, mulch plug and snow blowers are sold separately to help with projects around the yard
• Be sure to register your 2-year bumper to bumper warranty registration and stay connected with your servicing John Deere dealer
• Engine horsepower and torque information are provided by the engine manufacturer to be used for comparison purposes only, actual operating horsepower and torque will be less; refer to the manufacturer’s website for additional information

• Dimensions

  Assembled Depth (in.)	69.7 in	Assembled Height (in.)	44.5 in
  Assembled Width (in.)	54.9 in	Cutting Width (in.)	42 inches
  Front Wheel Size (in.)	15	Mower Deck Width (in.)	42
  Rear Wheel Size (in.)	20	Turning Radius (in.)	18

  Details

  Assembly Required	Yes	CA (CARB) Compliant	Not CARB Compliant
  Commercial / Residential	Residential	Cutting Options	Side-Discharge
  Deck Material	13 Gauge Steel	Deck Type	Stamped
  Drive Type	Rear-wheel Drive	Engine Displacement (cc)	724
  Engine Make	OEM Branded Engine	Engine Torque (ft.-lb.)	0
  Fuel Tank Capacity (gallons)	2.4 gal	Horsepower (HP)	22 hp
  Included with Riding Mowers	Engine Oil	Maximum Cutting Height (in.)	4
  Maximum Forward Speed (mph)	5.5	Maximum Reverse Speed (mph)	3.2
  Minimum Cutting Height (in.)	1	Mower Size	Small
  Number of Blades	2	Number of Blades	2 blades
  Number of Cylinders	V-Twin	Number of Deck Wheels	2
  Oil Capacity (oz.)	89.6	Power Type	Gas
  Product Weight (lb.)	444 lb	Recommended Oil Type	SAE 10W-30
  Refurbished	No	Returnable	30-Day
  Riding Mower Features	Adjustable Cutting Height, Cruise Control, Cup Holder, Deck cleanout, Headlights, Hour Meter, Keyed start, Residential, Reverse Mowing	Size of Yard	1/2 – 1 Acre
  Start Type	Electric	Terrain Type	Flat with Obstacles, Hilly
  Transmission Type	Hydrostatic	White Glove Service	White Glove Service

  Warranty / Certifications

  Certifications and Listings	No Certifications or Listings	Manufacturer Warranty	2 year or 120 hour warranty, whichever occurs first.