John Deere S240 42-in 21.5 hp Riding Lawn Tractor


This product is available in-store only.

Key Features

  • 21.5 HP* V-Twin Engine
  • 42-in. (107-cm) Accel Deep™ Deck, compatible with optional MulchControl™ kit
  • Comfortable 15-in (38-cm) open back seat
  • Side-by-side forward and reverse pedals
  • K46 heavy-duty hydrostatic transmission
  • Easy read fuel gauge
  • 3-year/200-hour bumper-to-bumper warranty


  • Engine is powerful and smooth-running premium V-twin design
  • 42-in. (107-cm) Accel Deep™ (42A) Mower Deck cuts clean and is versatile
  • MulchControl™ system provides superior mulching performance and rapid conversion
  • Three-year or 200-hour bumper-to-bumper warranty is standard
  • Hydrostatic/automatic drive transmission gives an infinite choice of ground speeds
  • Snow removal is a strength of lawn tractors
  • Full-length, welded-steel frame and cast-iron front axle for reliability
  • Operator station designed for operator comfort and convenience
  • Easy-read fuel gauge shows fuel level on dashboard and controls are convenient to use
  • Serviceability is convenient with easy-open hood
  • Help maintain your mower and lawn with the MowerPlus™ app and connector


  • Engine power: 21.5 hp / 16.0 kW
  • Oil change: No-tools oil drain with replaceable filter
  • Engine manufacturer/model: FR651V
  • Transaxle type: K46 heavy-duty hydrostatic, two-wheel drive
  • Transaxle control: Side-by-side pedals
  • Rear tires: 20x10-8
  • Lift system type: Spring-assisted hand-grip lever
  • Cutting width: Accel Deep™ mower deck, 42 in. / 107 in.
  • U.S. warranty: 3-year/200-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 or for details.)


  • Power: 21.5 hp / 16.0 kW
  • Displacement: 44.3 cu in. / 726 cc
  • Manufacturer/model: FR651V
  • Type: Overhead valve, full-pressure lube, oil filter
  • Cylinders: V-twin, cast-iron liners
  • Governor: Mechanical
  • Choke/speed control: Separate levers, automatic choke return
  • Cooling method: Air
  • Air cleaner: Dry, replaceable
  • Oil change: No-tools oil drain with replaceable filter

Fuel System

  • Type: Gasoline
  • Fuel delivery: Pulse pump and carburetor
  • Fuel gauge: Easy-read on dash
  • 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
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