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Used John Deere S120 Lawn Mowers for Sale (10 listings)

The John Deere S120 Lawn Mower ranges in price from as low as $1,590 to $2,999 according to Machinery Pete's data.
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2025 John Deere S120 Lawn Mower
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2025 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Drive Type: 2WD, John Deere S120 lawn tractor* 22HP engine* 42" mower deck* hydrostatic transmission* Call 419-862-3969 for more information AGPRO G... See all seller comments
$2,999 USD
1 hour
Gibsonburg, OH
(419) 462-9807
2026 John Deere S120 Lawn Mower
6 photos

2026 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Drive Type: 2WD, Seann Deere wants to see you. Come see me today or call 904/815/1670, 22 HP Briggs & Stratton engine, 42 inch cut., Just in!,... See all seller comments
$2,999 USD
1 hour
Saint Augustine, FL
(844) 900-0428
2026 John Deere S120 Lawn Mower
5 photos

2026 John Deere S120

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$2,999 USD
For Sale: New John Deere S120 Lawn Tractor - $2,999.00. 22 hp V-twin engine, 42" Edge deck, hydrostatic trans. Brand new, perfect for medium yards. Located in South Daytona.
$2,999 USD
Daytona Beach, FL
(844) 907-2562
2026 John Deere S120 Lawn Mower
6 photos

2026 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Drive Type: 2WD, The John Deere S120 is a residential riding lawn tractor featuring a 22 HP V-twin engine, 42-inch Edge™ mower deck, and hydrostatic... See all seller comments
$2,999 USD
1 hour
Lilburn, GA
(855) 979-9278
2025 John Deere S120 Lawn Mower
7 photos

2025 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, CALL OR TEXT COLIN (904) 599-3398John Deere S120 42" Lawn TractorThis is the CASH PRICE. Ask about financing terms and pricing.Features:• 22HP Brigg... See all seller comments
$2,999 USD
1 hour
Jacksonville, FL
(904) 682-9775
2021 John Deere S120 Lawn Mower
10 photos

2021 John Deere S120

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$1,999 USD 218 hours
Hours: 218
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Drive Type: 2WD, Low houred S120 with 42 in deck. 22 hp
$1,999 USD
218 hours
Wamego, KS
(785) 268-7278
2026 John Deere S120 Lawn Mower
6 photos

2026 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Drive Type: 2WD, Hydrostatic Transmission, Easy Change 30-Second Oil Change System, 15-in Open-Back seat, 2 year/120 hour bumper-to-bumper warranty,... See all seller comments
$2,999 USD
1 hour
North Zanesville, OH
(740) 224-8355
2026 John Deere S120 Lawn Mower
2 photos

2026 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Drive Type: 2WD, NEW John Deere S120 Lawn Tractor, 42" Mower Deck, Twin Touch Pedals*Wide Range of Attachments Available* *Financing & Delivery... See all seller comments
$2,999 USD
1 hour
Barberton, OH
(844) 984-1657
2026 John Deere S120 Lawn Mower
5 photos

2026 John Deere S120

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$2,999 USD 1 hour
Hours: 1
Width: 42 in, Transmission: Hydro, Engine Type: Gas, Contact Stephen at Ag-Pro Middleburg 352*824*3401. Ask me about easy financing.
$2,999 USD
1 hour
Middleburg, FL
(904) 747-8183
2021 John Deere S120 Lawn Mower

2021 John Deere S120

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$1,590 USD
2021 S120 W/42" AND MULCH KIT, 22 HP BRIGGS & STRATTON, EZ-CHANGE FILTER, 15" SEAT, Before driving to see this item, please call or email to confirm availability.
$1,590 USD
Mattoon, IL
(217) 615-5131

John Deere S120 Specs

Engine

Type
Overhead valve, full-pressure lube, oil filter
Power
22 hp
16.4 kW
Governor
Mechanical
Cylinders
V-twin
Oil change
John Deere Easy Change 30-second oil change system
Air cleaner
Cartridge
Displacement
44.2 cu in.
724 cm
Cooling method
Air
Manufacturer/model
44N677 (M44)
Choke/speed control
Single lever with spring-return on choke

Dimensions

Height
44 in.
1118 mm
Weight
Mower, no fuel, 444 lb
201 kg
Wheelbase
48.9 in.
1242 mm
Overall length
69.7 in.
1770 mm
Width with mower
55.2 in.
1402 mm
Width without mower
39.2 in.
996 mm
Width with mower (deflector raised for storage)
46.5 in.
1181 mm

Additional information

Date collected
1-Dec-21
Manufacturing location
Greeneville, Tennessee, USA

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
John Deere Easy Change 30-second oil change system
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.)

Chassis

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

Electrical system

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

Fuel system

Type
Gasoline
Fuel gauge
Easy-read on dash
Fuel delivery
Pulse pump and carburetor
Fuel fill opening
Center, 1.75 in.
4.45 cm
Fuel tank capacity
2.4 U.S. gal.
9.1 L
Fuel tank location
Rear

Key Specs

Oil change
John Deere Easy Change™ 30-second oil change system
Rear tires
20x8-8
Engine power
22 hp
16.4 kW
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.)
Transaxle type
TLT200 hydrostatic, two-wheel drive
Lift system type
Spring-assisted hand-grip lever
Transaxle control
Side-by-side pedals
Engine manufacturer/model
44N677 (M44)

Lift system

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

Mower attachability

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

Mower deck

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

Optional equipment

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
Sun canopy
Sun canopy
Front blade
46 in.
116.8 cm
Rear bagger
2-bag, 6.5 bu
229 L
Snow blower
Two-stage, 44 in.
111.8 cm
Front bumper
Styled front bumper
Bucket holder
Yes, single bucket
Grass striping
Lawn striping kit
Mulching system
Mulch cover or high-performance plug
Tow-behind tools
16
Weather protection
Weather enclosure

Safety

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

Seat

Type
Two piece with open-back
Armrests
No
Seat suspension
Tilt, two coil springs
Seat back height
15 in.
38 cm
Fore-aft adjustment
While seated, 5.5 in.
14 cm

Steering

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

Transaxle

Type
Hydrostatic, 2-wheel drive
Brakes
Internal wet disk
Control
Side-by-side pedals
Oil cooler
Fins and fan on transaxle
Oil filter
Yes, not serviceable
Forward speed
0-5.5 mph
0-8.9 km/h
Reverse speed
0-3.2 mph
0-5.2 km/h
Cruise control
Standard
Differential lock
No
This data is sourced from the public domain and Machinery Pete cannot guarantee accuracy.