The John Deere S140 Lawn Tractor is a powerful and reliable lawn tractor designed for residential use, especially suited for lawns up to two acres.

It features a robust 22 hp (16.4 kW) V-Twin gasoline engine, paired with a 48-inch Edge™ mower deck for effective mowing performance.

The tractor boasts an electric PTO (power take-off) for easy blade engagement and a hydrostatic transmission controlled by side-by-side pedals, offering smooth speed regulation.

Overview

The John Deere S140 Lawn Tractor is part of John Deere’s 100 Series lawn tractors, built with durable materials including a sound-reducing, rust-resistant molded-in color hood and a solid one-piece steel frame.

It’s designed for versatility with a wide operator station, convenient controls, and compatibility with various attachments.

Engine Details and Specs

  • Engine power: 22 hp (16.4 kW) V-Twin gasoline engine

  • Displacement: 44.2 cu in. (724 cc)

  • Model: 44N677 (M44)

  • Cooling: Air-cooled overhead valve with full-pressure lubrication and oil filter

  • Fuel capacity: 2.4 gallons (9.1 liters)

  • Oil change: Tool-free oil drain with replaceable filter

  • Fuel delivery: Pulse pump and carburetor

  • Battery: 12V, 300 CCA

  • RPM governor: Mechanical

  • Fuel gauge: Mechanical, visible from seat

Key Features

  • 48-inch Edge™ stamped steel mower deck with electric PTO clutch

  • Hydrostatic transmission with side-by-side foot pedals for forward and reverse

  • Comfortable open-back seat with coil spring suspension and adjustable fore-aft positioning

  • LED headlights for low-light visibility

  • CargO Mount™ system for easy attachment of accessories like sun canopies, rear baggers, and more

  • Front cast-iron axle and sealed front wheel bearings for rugged durability

  • Internal wet disk brakes for reliable stopping power

  • Maximum towing capacity of 500 lbs (227 kg)

  • Storage tray with optional cover and cup holder included

Attachments and Options

The John Deere S140 Lawn Tractor supports a variety of attachments, making it versatile beyond mowing:

  • Rear bagger (2-bag, 6.5 bushel capacity)

  • Mulching system with mulch cover

  • Front blades (46-inch)

  • Two-stage snow blower (44-inch)

  • Rotary broom and tiller

  • Landscape rake, box scraper, and cultivator

  • Tow-behind sprayers and spreaders

  • Sun canopy and weather enclosure for operator comfort

Manual and Maintenance

The John Deere S140 Lawn Tractor comes with a detailed operator’s manual covering routine maintenance such as oil changes, air filter replacement, fuel system upkeep, and mower deck cleaning.

The tractor features an hour meter to track service intervals and has tool-free oil changes for convenience.

Oil capacity

The John Deere S140 Lawn Tractor has an engine oil capacity of approximately 2 quarts (1.9 liters).

It uses Turf-GardTM 10W-30 engine oil, and it is recommended to change the oil every 50 hours of use.

The oil change is designed to be tool-free, with a replaceable oil filter for easy maintenance.

Oil capacity: 2 quarts (1.9 liters)

Recommended oil: Turf-GardTM 10W-30

Oil change interval: Every 50 hours of use

Price range: $2,200 – $2,700 (approximate)

Common Problems

While generally well-reviewed, some common issues reported include:

  • Occasional difficulty starting, often related to carburetor or fuel system maintenance

  • Hydrostatic transmission pedal sensitivity requiring adjustment for optimal control

  • Deck belt wear over time requiring replacement

  • Electrical components like the PTO switch may experience wear or failure after extended use

Price

The John Deere S140 Lawn Tractor is priced typically around $2,200 to $2,700 USD depending on dealer, location, and included accessories or packages.

This lawn tractor balances power, durability, and user-friendly features, making it a strong choice for homeowners needing a reliable machine to maintain medium-sized lawns efficiently.

Conclusion

Overall, the John Deere S140 Lawn Tractor is a solid choice for homeowners looking for a reliable and versatile lawn tractor for medium-sized lawns up to two acres.

It balances durability, comfort, and value, making it a dependable machine for routine lawn care and more demanding seasonal chores.