The John Deere S120 Lawn Tractor is a premium-quality residential-grade riding mower designed to deliver outstanding performance, unmatched durability, and superior comfort for homeowners who demand more from their lawn equipment. Built with the legendary John Deere engineering standard, the S120 is a step above typical lawn tractors, combining a robust 42-inch mower deck, a powerful V-twin engine, advanced ergonomics, and user-friendly controls to make lawn care effortless and precise.

We proudly offer only brand-new products, ensuring you receive a factory-fresh mower with full manufacturer warranty and zero prior usage. No refurbished, used, or reconditioned equipment — every S120 we sell is in pristine, original condition.

Whether you are mowing a small residential yard, a large suburban property, or managing a mixed-terrain landscape, the S120 is equipped to handle it all with ease. With the right combination of power, maneuverability, and operator comfort, this tractor makes lawn maintenance not just a chore, but an enjoyable outdoor experience.

Key Features and Benefits

1. Powerful V-Twin Engine

At the heart of the John Deere S120 is a 22-horsepower V-twin gasoline engine that delivers smooth, consistent power. This engine is engineered for both efficiency and strength, ensuring you can tackle tall grass, damp conditions, and uneven terrain without bogging down. The V-twin design reduces vibration, enhances torque, and prolongs engine life compared to single-cylinder alternatives.

• Displacement: 724cc

• Maximum torque output for heavy-duty mowing

• Pressurized lubrication system with spin-on oil filter for extended engine life

• Quick, easy starts thanks to an advanced electronic ignition system

2. 42-Inch Edge™ Mower Deck

The 42-inch Edge™ cutting system is precision-engineered to provide a clean, even cut every time. Crafted from solid steel, the deck is designed to resist rust and impact damage, ensuring years of reliable service.

• Twin-blade system for a superior finish

• Adjustable cutting heights from 1 to 4 inches

• Easily engaged via electric blade engagement

• Deck wash port for easy cleaning after mowing

3. Hydrostatic Transmission

Forget gear shifting — the S120 comes with an easy-to-use hydrostatic transmission that allows for seamless forward and reverse control using foot pedals. This enables better speed control and precision maneuvering around trees, flower beds, and tight spaces.

• Maximum forward speed: 5.5 mph

• Maximum reverse speed: 3.2 mph

• Smooth acceleration and deceleration

4. Comfort and Ergonomics

The S120 is designed for operator comfort during long mowing sessions. The high-back 15-inch seat provides excellent lumbar support, while the adjustable steering wheel ensures proper positioning for any user.

• Cup holder for refreshments

• Easy-to-read instrument panel

• Wide foot platform with anti-slip surface

• Vibration-reducing suspension

5. Durability and Build Quality

John Deere is known for building equipment that lasts, and the S120 is no exception. From the heavy-duty steel frame to the robust front axle, every component is engineered for long-term reliability.

• Welded steel frame for maximum strength

• Cast-iron front axle for rugged durability

• Corrosion-resistant powder coating

6. Safety Features

Safety is a top priority, and the S120 is equipped with multiple protective features:

• Operator presence control system that shuts off the blades when you leave the seat

• Reverse Implement Option (RIO) to allow controlled mowing in reverse

• Built-in headlights for improved visibility in low light

Performance in Different Conditions

The John Deere S120 is versatile enough to handle a wide range of mowing environments:

1. Flat Lawns – Smooth ride and consistent cut quality.

2. Sloped Yards – Strong traction and stability for mild inclines.

3. Thick Grass – High torque allows for cutting dense turf without stalling.

4. Wet or Damp Grass – Improved discharge to prevent clumping.

Maintenance and Serviceability

The S120 is designed with ease of maintenance in mind, so you spend more time mowing and less time wrenching.

• Tool-free air filter replacement

• Easy-access engine oil drain and filter

• Grease fittings for front axle maintenance

• Quick-change mower blades

Attachments and Accessories

The S120 supports a wide variety of John Deere-approved attachments, making it a year-round workhorse:

• Baggers for grass collection

• Mulching kits

• Tow-behind carts

• Snow blowers and blade attachments for winter use

• Lawn rollers and aerators

Fuel Efficiency

Despite its power, the S120 is surprisingly fuel-efficient. The optimized carburetion system and pressurized lubrication reduce fuel waste, while the large-capacity fuel tank means fewer stops during mowing sessions.

Why Choose the John Deere S120 Lawn Tractor?

• Brand Reputation: John Deere has been a trusted name in agricultural and lawn care equipment for over 180 years.

• Comfort and Usability: Designed for both occasional and regular mowing needs.

• Long-Term Investment: Built to last, reducing long-term replacement costs.

• Only New Products: Guaranteed brand-new, unused equipment with full manufacturer support.

Technical Specifications

User Experience

Owners praise the S120 for its quiet operation, smooth ride, and ability to deliver professional-grade results in less time. Many customers note that the mower’s hydrostatic transmission and tight turning radius make it easy to navigate complex landscaping features.

Final Thoughts

If you’re looking for a dependable, high-performance lawn tractor that’s comfortable, easy to use, and built to last, the John Deere S120 Lawn Tractor is an excellent choice. It combines classic John Deere reliability with modern innovations for a mowing experience that’s second to none.

And remember — when you purchase this model from us, you can rest assured that you are receiving a 100% brand-new product, never used, never refurbished, and backed by full manufacturer warranty.