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John Deere S100 Lawn Tractor

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Features

Powerful engine features full-pressure lubrication for long life

17.5-hp (13.0-kW) engine17.5-hp (13.0-kW) engine
Engine oil filter and fuel filterEngine oil filter and fuel filter

A 17.5-hp (13.0-kW), single-cylinder engine has plenty of power and torque to handle tough mowing, mulching, and bagging:

  • Electronic ignition for fast starts
  • Spring-return feature to ensure the operator will not mistakenly leave the throttle lever in the choke position
  • Cast-iron cylinder liner for long engine life
  • Overhead valves for excellent power and fuel economy
  • Anti-vibration system
  • Full-pressure lubrication and oil filter for cleaner oil, prolonging engine life, and extending the time between oil changes
    • More effective when operating the tractor on an incline
  • Large fuel filter for trouble-free operation
No-tools oil drain valveNo-tools oil drain valve

The no-tools oil drain valve is easy to access when changing engine oil.

Fuel tank
Convenient fuel filler openingConvenient fuel filler opening
  • The capacity is 2.4 U.S. gal. (9.1 L).
  • The fuel filler opening is conveniently located under the seat. 
    • Filling the tank without spilling is easy.
    • A tethered fuel tank cap is more convenient.
    • The sealed fuel cap helps keep vapors inside the tank.

Eye-catching styling built upon a dependable full-length welded steel frame

Light emitting diode (LED) headlights complement modern styling
LED headlightsLED headlights
S120 Lawn TractorS120 Lawn Tractor

The 100 Series Lawn Tractors are equipped with LED headlights that:

  • Complement the tractor’s modern styling
  • Use less power and are far more durable than incandescent light bulbs
  • Provide a natural light quality that increases visibility in low-light conditions
  • Light the field of view evenly
Hood will not rust or dent
S120 hoodS120 hood

The hood used on 100 Series Lawn Tractors is made using the mold-in color process. The hood reduces sound, will not rust or dent, and provides resistance to UV light. Side openings let in plenty of cooling air while keeping the sound level low.

Reliable full-length welded steel frame
Solid one-piece frame Solid one-piece frame
Solid one-piece frame Solid one-piece frame

The solid one-piece frame is constructed of 12-gauge, 0.105-in. (2.66-mm) steel:

  • Full-length, robotically welded frame design has high-strength steel rails for added strength and long life.
  • One-piece, steel fender deck is bolted to the frame.
Cast-iron front axle will not bend
Front axle and wheel spindleFront axle and wheel spindle

The front axle is constructed of solid cast iron that will not bend:

  • Automotive-like steering system with sector and pinion steering gears and single drag link with a tie rod provides a very strong, low-effort, and tight-turning system.
  • Three grease fittings, on both steering spindles and center pivot, allow for regular lubrication to help maintain easy steering and minimize wear.
  • Large, 0.75-in. (1.9-cm) diameter wheel spindles provide excellent durability.
Front bumper protects the tractor
Front bumperFront bumper
Front bumperFront bumper

The front bumper is included on the S130, S140, S160, S170, and S180. It is available as an optional attachment for the S100, S110, and S120.

  • Additional front-end protection
  • Attractive, bold style
CargO Mount™ system makes installation of rear bagger and other attachments easy
Rear CargO Mount pointsRear CargO Mount points
Front CargO Mount points at the top of the dashboard (shown on S110)Front CargO Mount points at the top of the dashboard (shown on S110)
Rear bagger is mounted with CargO Mount pointsRear bagger is mounted with CargO Mount points
Snow blower controls are mounted with CargO Mount pointsSnow blower controls are mounted with CargO Mount points

The CargO Mount system is a combination of front- and rear-mounting points providing convenient and easy installation of the sun canopy, rear bagger, and other attachments.

Snow removal is a strength of lawn tractors

S140 Tractor with front blade, weather enclosure, weights, and tire chainsS140 Tractor with front blade, weather enclosure, weights, and tire chains
S140 Tractor with snow blower, weights, and tire chainsS140 Tractor with snow blower, weights, and tire chains

An advantage of lawn tractors is their ability to use equipment for snow removal. Lawn tractor owners can add a John Deere snow blower or front blade to make quick work of moving snow whenever the need arises. Weather enclosure and tire-chain attachments add comfort and performance.

Equipment available for snow removal includes:

  • 44-in. (112-cm) Snow Blower
  • 46-in. (117-cm) Front Blade
  • Tire chains or TerraGrip traction belts
  • Weather enclosure
  • Weights

 

Hydrostatic transmission gives an infinite choice of ground speeds

Two-pedal speed/direction controlsTwo-pedal speed/direction controls
Forward speed control pedal in useForward speed control pedal in use

A Kanzaki® Tuff Torq® hydrostatic transmission gives an infinite choice of speeds and makes changing the direction of travel easy. Side-by-side foot pedals control the speed and direction of travel:

  • Automotive-type accelerator controls ensure easy operation.
  • Operator can change direction without lifting foot off the platform.
  • Large pedal surface gives superior operator comfort.
Hydrostatic transmission (TLT200 shown)Hydrostatic transmission (TLT200 shown)

Appropriate transmissions are used in each model, depending on rear tire size and tractor performance requirements, to ensure excellent performance and reliability:

  • Tuff Torq TLT200 – S100, S110, S120, S130, S140, and S160
  • Tuff Torq K46 - S170 and S180

Kanzaki and Tuff Torq are trademarks of Kanzaki Kokyukoki Mfg. Co., Ltd.

Operator station designed for comfortable operation

Comfortable operator stationComfortable operator station

The operator station is designed for operator comfort and easy operation:

  • Controls are positioned where they are easy to reach and easy to use to control the tractor.
  • Steering wheel is positioned and angled to give the operator plenty of room and steering comfort.
  • Seat is positioned to provide the most comfortable operator position.
Steering wheel and dashSteering wheel and dash
Wide footrest with debris channelsWide footrest with debris channels

Controls are easy to see and use:

  • Large, three-spoke steering wheel for greater operator comfort and control
  • Ignition switch is on the dash for starting ease

Wide footrest areas with non-slip, anti-vibration floor mats are provided for operator comfort:

  • The wide footrest makes it easier to step over the mower deck while entering or exiting the seat.
  • Debris-removing channels help keep the footrest area clean and dry.
Comfortable seatComfortable seat
Easily adjusted seatEasily adjusted seat

The operator seat has an 11-in. (28-cm) back height. It can be easily adjusted forward or rearward while the operator is in the seat, with seat travel of 5.5 in. (14 cm) and 10 different positions.

A beverage holder is located on the right-side fender for operator convenience.

Seat raised for fuel-fill access showing seat springsSeat raised for fuel-fill access showing seat springs

Two long seat springs give plenty of seat travel to smooth out the ride, keeping the operator comfortable while operating the tractor.

Seat can be tilted forward for protection from the elements and to provide easy access to the fuel tank.

Beverage holder and covered storage compartmentBeverage holder and covered storage compartment

A covered storage compartment and beverage holder on the right-side fender are conveniently located and easy to use.

Instruments and controls are easy to find and convenient to use

Steering wheel and controls on S100Steering wheel and controls on S100
Instruments and controls

The contoured dash has clean, attractive styling:

  • Controls are color-coded and labeled for easy identification.
  • Controls are logically placed and easy to reach.
  • The hour meter makes it easy to tell when oil changes and other maintenance should be performed.
  • Functional design of the controls provides good appearance and a comfortable feel.
Side-by-side transmission control pedals
Side-by-side foot pedalsSide-by-side foot pedals
Forward speed control pedal in useForward speed control pedal in use

Side-by-side foot pedals control the speed and direction of travel:

  • Automotive-type accelerator controls ensure easy operation.
  • Operator can change direction without lifting foot off the platform.
  • Large pedal surface gives superior operator comfort.
Mower deck height adjustment
Mower deck height adjustment leverMower deck height adjustment lever

A spring-assisted, ergonomically designed lift lever simplifies adjusting the mower cut height:

  • Increments of 1/4  in. (0.64 cm) allow fine-tuning the cut height.
  • Cut height is adjustable from 1 to 4 in. (2.5 to 10.2 cm).
  • The lift handle is shaped for easy use and is out of the way of entering or exiting operators.
Parking brake control
Brake/parking brake pedalBrake/parking brake pedal
Parking brake leverParking brake lever

The parking brake control is conveniently located on the tractor pedestal for easy access. It holds the brake pedal securely in the locked position.

Manual power take-off (PTO)
PTO engagement leverPTO engagement lever

The mower deck is engaged with the easy-to-see and easy-to-use yellow lever above the dashboard. Its placement on the right side leaves a lot of room on the left, the entry side of the tractor, for the operator to get on and off the tractor.

Reverse implement option (RIO)
RIO switchRIO switch
Using RIO

CAUTION: Children or bystanders may be injured by rotating blades. Before traveling forward or rearward:

  • Carefully check the area around the machine.
  • Disengage the mower before backing up.

 

NOTE: Backing up while the mower is engaged is strongly discouraged. RIO should be used only when operating another attachment or when the operator deems it necessary to reposition the machine with the mower engaged.

 

  1. Stop forward travel.
  2. Look behind the machine to be sure there are no bystanders.
  3. Push and hold in the RIO switch while depressing the reverse pedal slightly.

 

NOTE: If the engine and mower or other attachment stops while repositioning the machine, return the attachment engagement lever/switch to the off position. Start the engine and engage mower or other attachment. Begin again with step 2.

 

  1. Release the RIO switch and reposition the machine as the machine begins to move rearward.
  2. Resume forward travel. The mower or other attachment should continue operating.
  3. Repeat procedure to position the machine again.
Fuel tank gauge shows fuel level from the operator's seat
Fuel tank gaugeFuel tank gauge

The fuel tank gauge shows how much fuel is in the tank and can be seen without leaving the operator's seat:

  • Easy to check fuel level
  • Convenient location

Convenient maintenance is supported by trusted self-service resources

Example quick-response (QR) code labelExample quick-response (QR) code label
QR code label shown on S240QR code label shown on S240

John Deere riding lawn mowers are equipped with a QR code label that links to an owner support website. The label can be found on the rear fender, to the left of the seat.

Upper portion of owner support web pageUpper portion of owner support web page
Lower portion of owner support web pageLower portion of owner support web page

The owner support website is formatted for smart phones and available without setting up an account and password. The QR code includes the mower’s serial number, enabling the owner support website to provide a maintenance schedule, service parts, attachments, how-to guide, videos, warranty information, and an operator’s manual for the specific mower.

 

The owner support website also allows users to purchase service parts, schedule dealer service, purchase extended warranties, and download the Equipment Mobile app. The Equipment Mobile app enables users to maintain a shared digital service record with their dealer.

Serviceability is convenient with an easy-open hood
One-piece hood is easy to openOne-piece hood is easy to open
Service interval decal located under hoodService interval decal located under hood

The one-piece hood opens easily to permit checking and servicing the engine:

  • Important service points are located within easy reach.
  • A service interval decal is provided inside the tractor hood for convenience when servicing the tractor.
Easy-to-service engine fuel and oil filtersEasy-to-service engine fuel and oil filters
Easy access to fuel-fill openingEasy access to fuel-fill opening

The engine fuel and oil filters, the oil check/fill tube, and the oil drain tube are exposed for serviceability when the hood is opened.

The seat tilts up and out of the way to make adding fuel easy.

Keep your mower ready to go with the Equipment Mobile App and smart connector

X350 TractorX350 Tractor
Z370R Electric ZTrak™ MowerZ370R Electric ZTrak™ Mower
Overview

Keep your John Deere equipment running its best with the John Deere Equipment Mobile App. Download the app from the mobile device’s app store, then add all your John Deere equipment by scanning the serial number bar codes. Once your equipment is added, you can access all your product’s model, serial number, and model year information in one place. The app also provides maintenance, parts, and support resources that are specific to your serial number(s).

Find the right parts the first time
Use Equipment Mobile to find the right partsUse Equipment Mobile to find the right parts

It is important to get the right parts the first time. When you load your equipment list, Equipment Mobile provides parts information specific to your serial number(s). This is helpful to you and your John Deere dealer, as some parts can vary by serial number range.

Plan, track, and coordinate maintenance with your dealer
Maintenance plan screenMaintenance plan screen
Maintenance parts and notes screenMaintenance parts and notes screen

Equipment Mobile includes comprehensive maintenance plans for each piece of your equipment. The maintenance plan screen keeps track of completed tasks, provides a place for your notes, and provides parts listings. You can also share your maintenance plan with your dealership, enabling tasks completed by the dealer to be included.

Operator’s manual in the palm of your hands

A machine’s operator’s manual is a go-to resource that is available in Equipment Mobile. You can search, view, and download a copy. The operator’s manual is specific to the serial number(s) of your equipment.

Smart Connectors
Smart ConnectorSmart Connector
BUC10537 smart connector, wiring harness, and twist tiesBUC10537 smart connector, wiring harness, and twist ties

A smart connector links the mower to the Equipment Mobile App and transmits vehicle information via Bluetooth® wireless technology to provide:

  • Engine hours, that enable maintenance reminders
  • Key switch status and battery level to warn if the battery is low
  • Fuel level - even when away from the mower, the app remembers the fuel level so you can make sure the mower is fueled when it is time to mow

Optional BUC11960 smart connector is for use with:

  • S120, S130, S160, S170, and S180 Tractors
  • Model year 2021 and newer S240 Tractors (serial number 880,001-)
  • Z515E, Z530M, Z530R, and Z545R ZTrak™ Mowers

Hours, fuel level, key switch status, and battery level are updated whenever the Equipment Mobile device is in range of a mower with a BUC11960 smart connector.

 

Optional BUC10537 smart connector is for use with:

  • Model year 2016 and newer Select Series X300 and X500 Tractors

Hours, fuel level, key switch status, and battery level are updated whenever the mower’s key is turned on and the Equipment Mobile device is in range of a mower with a BUC10537 smart connector. The X350R Tractor does not report exact fuel level, it only indicates if the mower is low on fuel.

 

The Z370R, Z370RS, and Z380R Electric ZTrak Mowers include the smart connector in base equipment.

 

On Electric ZTrak Mowers the battery level, charging status, and hours are transmitted when the Equipment Mobile device is in range of the mower, and the mower is on or actively charging. Equipment Mobile can also update an Electric ZTrak Mower’s controller software.

 

A smart connector requires the Equipment Mobile App. The John Deere Equipment Mobile App can be found in the mobile device’s app store.

 

Bluetooth is a trademark of Bluetooth SIG, Inc.

The Edge™ cutting system gives superior performance

S100 with 42-in. (107-cm) Edge cutting systemS100 with 42-in. (107-cm) Edge cutting system

The Edge cutting system has been trademarked to emphasize the advantages of the John Deere mower deck designs. They give superior mowing performance, convenience, and reliability:

  • The deep-deck design lifts grass for a clean, even cut.
  • The smooth underside has no nooks and crannies, preventing grass buildup and evenly dispersing grass clippings.
  • The rolled outer edge of the deck provides extra strength and protection.
  • Dual-stage E-coat and powder paint coatings provide extra protection from rust.
  • Flexible discharge chute minimizes property and mower deck damage.

The 42-in. (107-cm) Edge Mower Deck is a two-spindle design with heavy-duty characteristics:

  • The 13-gauge, 0.09-in. (2.3-mm) steel deck provides years of dependable mowing.
  • Included three-in-one blades work well for side-discharge, mulching, or bagging.
  • The blade-to-spindle design provides a unique mounting system for the mower blade that provides extra safety and convenience.
  • No tools are required to switch from mulching to side discharge to rear bagging.
  • mulching cover is an optional attachment that can be installed without tools to allow mulching with the standard mower blades.
  • High-performance mulching blades are available to enhance mulching performance.
  • high-performance mulching attachment  is an optional attachment that includes a mulch plug and special mulching blades for excellent performance.
Mower wash port
Mower wash portMower wash port
Mower wash port with hose connectorMower wash port with hose connector

A wash port is provided to make cleaning the underside of the mower deck easy:

  • A hose connector is included with mower deck.
StarLock™ blade design
StarLock blade designStarLock blade design

The StarLock blade design keeps the blade bolt at the correct torque for easy removal.

Optional blades for difficult mulching or bagging conditions are available.

Optional bagger
6.5-bu (229-L) hopper and chute on an S1006.5-bu (229-L) hopper and chute on an S100

cut-and-throw, 6.5-bu (229-L) bagger is sold separately and comes with bagging blades. Special bagging blades are not required but they can enhance performance.

The bagger kit provides an efficient means of collecting grass clippings and leaves. It can be set up without tools in minutes and has easy-to-empty bags.

Two-year or 120-hour bumper-to-bumper warranty is included

A 2-year or 120-hour single-source, bumper-to-bumper warranty* is included for all John Deere 100 Series Tractors.

  • The warranty is hassle free, with both the mower and the engine covered by a single warranty.

  • If the mower is sold, the remaining warranty term is transferable to a new owner.

*Term limited to years or hours used, whichever comes first, and varies by model. U.S. and Canada only. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at JohnDeere.com or JohnDeere.ca/TUWarranty for details.

Specifications

Key Specs

Engine power 17.5 hp
13 kW
Oil change No-tools oil drain with replaceable filter
Engine manufacturer/model 31R977 (M31)
Transaxle type TLT200 hydrostatic, two-wheel drive
Transaxle control Side-by-side pedals
Rear tires 20x8-8
Lift system type Spring-assisted hand-grip lever
Cutting width Edge™ mower deck, 42 in.
107 cm
U.S. warranty 2 year/120 hour bumper-to-bumper* (*Term limited to years or hours used, whichever comes first, and varies by model. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at JohnDeere.com or JohnDeere.ca/TUWarranty for details.)

Engine

Power 17.5 hp
13 kW
Displacement 30.5 cu in.
500 cc
Manufacturer/model 31R977 (M31)
Type Overhead valve, full-pressure lube, oil filter
Cylinders One
Governor Mechanical
Choke/speed control Single lever with spring-return on choke
Cooling method Air
Air cleaner Cartridge
Oil change No-tools oil drain with replaceable filter

Fuel system

Type Gasoline
Fuel delivery Pulse pump and carburetor
Fuel gauge Mechanical, viewable from seat
Fuel tank location Rear
Fuel fill opening Center, 1.75 in.
4.45 cm
Fuel tank capacity 2.4 U.S. gal.
9.1 L

Electrical system

Battery 12 V
300 CCA
Charging system Regulated, 8 amp
Engine starter Bendix type
Hour meter Yes
Headlights Two standard, LED
Taillights or reflector No
Backup lights No
Rear work lights No
12-V outlet No

Transaxle

Type Hydrostatic, 2-wheel drive
Control Side-by-side pedals
Cruise control No
Oil cooler Fins and fan on transaxle
Oil filter Yes, not serviceable
Differential lock No
Forward speed 0-5.5 mph
0-8.9 km/h
Reverse speed 0-3.2 mph
0-5.2 km/h
Brakes Internal wet disk

Chassis

Frame Full-length welded steel
Primer/paint E-coat/powder
Weight bracket Optional rear
Receiver hitch No
Front axle Cast-iron front axle, front wheel sealed ball bearings
Spindle bushings No
Front tires 15x6-6
Rear tires 20x8-8
Hood material Molded-in color material reduces sound, will not rust or dent
Fender deck material Stamped steel
Floor mats Yes, with debris removing channels
Storage Storage tray with cover
Service interval decal Yes
Fender handles/grips No
Cup holder Yes
Equipment mounting CargO Mount™ system
Maximum towing capacity 500 lb
227 kg

Steering

Type Sector and pinion with single drag link and tie rod
Four-wheel steer Not available on this model
Steering wheel Standard, diameter - 12 in.
30.5 cm
Tilt steering wheel No
Turning radius 18 in.
45.7 cm
Uncut circle radius 25 in.
63.5 cm

Seat

Type One-piece
Seat back height 11 in.
28 cm
Armrests No
Fore-aft adjustment While seated, 5.5 in.
14 cm
Seat suspension Tilt, two coil springs

Lift system

Type Spring-assisted hand-grip lever
Hydraulic outlets No
Mower cut height 13 positions, 1-4 in.
2.5-10.2 cm
Cut height increments 0.25 in.
0.64 cm
Preset cut height No

Mower deck

Type Side discharge
Cutting width Edge™ mower deck, 42 in.
107 cm
Construction Stamped steel deck shell
Mower deck material Steel, 13 gauge
0.090 in.
2.3 mm
Mower wash port Yes
Mower drive system Manual power take-off (PTO)
Mower wheels Two
Mower wheel adjustment One bolt
Mower level adjustment Easy-level deck

Mower attachability

Type Slide under tractor
Front draft arms One spring clip
Rear draft arms Two spring clips
Mower wheels rotate No
Drive system Single belt

Safety

Meets ANSI standard Yes
Meets OPEI standard Yes
Backup protection Reverse Implement Option (RIO)
Safety video Yes

Buyer's notes

Notes Molded-in color material reduces sound, will not rust or dent
Durable primer and powder paint finish
Full-length welded steel frame
Bright LED headlights
Warranty 2 year/120 hour bumper-to-bumper* (*Term limited to years or hours used, whichever comes first, and varies by model. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at JohnDeere.com or JohnDeere.ca/TUWarranty for details.)

Optional equipment

Rear bagger 2-bag, 6.5 bu
229 L
Mulching system Mulch cover or high-performance plug
Front blade 46 in.
116.8 cm
Snow blower Two-stage, 44 in.
111.8 cm
Sprayer Tow-behind, 15 U.S. gal.
56.8 L
Mounted, 15 U.S. gal.
Tow-behind only, 25 U.S. gal.
94.6 L
Spreader Tow-behind only, 125-175 lb
57.7-80 kg
Front bumper Styled front bumper
Weather protection Weather enclosure
Sun canopy Sun canopy
Bucket holder Yes, single bucket
Grass striping Lawn striping kit
Tow-behind tools 16

Dimensions

Height 40 in.
1016 mm
Overall length 69.7 in.
1770 mm
Wheelbase 48.9 in.
1242 mm
Width with mower 55.2 in.
1402 mm
Width with mower (deflector raised for storage) 46.5 in.
1181 mm
Width without mower 39.2 in.
996 mm
Weight Mower, no fuel, 414 lb
188 kg

Additional information

Manufacturing location Greeneville, Tennessee, USA
Date collected 1-Oct-2025