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John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck
  • John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck
  • John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck
  • John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck
  • John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck
John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck

John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck

$2,899.00 $3,199.00 SAVE 9%
V-Twin Engine
Hydrostatic Drive
15-inch Open Back Seat
  • 22 HP V-Twin Engine
  • 42-inch Accel Deep Deck
  • 30-Second Oil Change System
  • Hydrostatic Transmission
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Easy Change Oil System, change your oil in under 30 seconds.
2-Year Bumper-to-Bumper Warranty
Free Professional Delivery
Ready-to-Mow Inspection

1.2K+ Happy Homeowners

4.8

Technical Overview

The John Deere S120 steps up from the base S100 Series with a stronger V-twin engine and a few extra creature comforts, while keeping the same straightforward hydrostatic operation homeowners rely on. It's one of the most frequently purchased tractors in the 100 Series lineup, striking a balance between price and everyday capability.

Why owners choose the S120

  • 22 HP V-twin engine — more torque than the base S100 for tougher grass and larger yards.
  • 42 in. Edge mower deck — a clean, even cut suited to most residential lots.
  • Cruise control — hold a consistent speed on long, straight passes.
  • MowerPlus app compatible — track fuel level, battery health, and mowing history from your phone.
  • CargO Mount system — quick-attach points for a sun canopy, rear bagger, or other accessories.

Specifications

Engine power 22 HP (16.4 kW) V-Twin
Deck size 42 in. (107 cm) Edge deck
Transmission Tuff Torq TLT200 hydrostatic
Top speed 5.5 mph (8.9 km/h)
Fuel tank 2.4 gal (9.1 L)
Warranty 2-year/120-hour bumper-to-bumper

Build + Maintenance

Constructed with a heavy-duty 12-gauge steel frame and a cast-iron front axle for long-term durability. Features the John Deere Easy Change 30-second oil system and a wash port for deck cleaning.

Delivery + Professional Setup

Your John Deere S120 is delivered fully assembled, fueled, and tested. A professional technician will provide a walk-around orientation to ensure you are ready to mow immediately.
John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck

John Deere S120 Lawn Tractor — 22 HP V-Twin, 42 in. Deck

$3,199.00
$2,899.00 SAVE 9%

🚜 PRE-SEASON PRICING ENDS SOON

Secure your John Deere S120 before the spring rush begins.

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Straight Talk From S120 Owners

Real performance on real half-acre to two-acre yards.

R

Robert G.

The 22 HP V-Twin makes a massive difference on my sloped backyard. It does not bog down like my old single-cylinder mower did.

S

Sarah L.

The steering is incredibly light. I can navigate around my flower beds and trees with very little effort compared to my last tractor.

K

Kevin M.

The 30-second oil change system is brilliant. No more oil all over the garage floor. It is simple, clean, and fast.

J

Jessica W.

Delivery was professional. They showed me how to use every lever and even filled the tank. Ready to mow from the first minute.

D

David H.

The cut quality of the Accel Deep deck is superior. No clumps, even when the grass is a little damp in the morning.

M

Michael B.

Solid machine. The cast-iron front axle gives me confidence that this tractor will still be running in 10 years.

R

Robert G.

The 22 HP V-Twin makes a massive difference on my sloped backyard. It does not bog down like my old single-cylinder mower did.

S

Sarah L.

The steering is incredibly light. I can navigate around my flower beds and trees with very little effort compared to my last tractor.

K

Kevin M.

The 30-second oil change system is brilliant. No more oil all over the garage floor. It is simple, clean, and fast.

J

Jessica W.

Delivery was professional. They showed me how to use every lever and even filled the tank. Ready to mow from the first minute.

D

David H.

The cut quality of the Accel Deep deck is superior. No clumps, even when the grass is a little damp in the morning.

M

Michael B.

Solid machine. The cast-iron front axle gives me confidence that this tractor will still be running in 10 years.

✅ Recent S120 Deliveries

Thomas B. from Columbus just purchased their S120
2 hours ago
Elena R. from Lancaster ordered a new lawn tractor
5 hours ago
Gary S. from Richmond upgraded to the V-Twin model
8 hours ago

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