John Deere S100 42-Inch 17.5 HP Gas Hydrostatic Riding Lawn Tractor

Tackle your lawn with ease and efficiency using the John Deere 42-in. Lawn Tractor, built for reliable performance, comfort, and all-season versatility. Powered by a 17.5 HP single-cylinder engine and paired with a 42″ Edge™ Mower Deck, this mower is ideal for mowing, mulching, and bagging across flat terrain with obstacles.

Key Features:

17.5 HP John Deere Engine
Robust power for mowing, mulching, and bagging—featuring full-pressure lubrication, overhead valves, and a cast-iron cylinder liner for long engine life.

Easy, Choke-Free Starts
Electronic ignition and spring-return throttle eliminate guesswork during start-up.

42″ Edge™ Mower Deck
Designed for high-quality cutting performance and clean discharge, even at faster speeds.

Hydrostatic Transmission with Side-by-Side Pedals
Offers smooth speed and direction control, just like driving a car—ideal for maneuvering around landscaping features.

Comfort-Focused Operator Station
Wide footrest, high-back adjustable seat (11″), ergonomic controls, and anti-vibration floor mats for a smoother ride.

Spring-Assisted Deck Lift
Makes it easy to raise or lower the mower deck with minimal effort.

Durable Steel Frame
Full-length welded 12-gauge steel frame with powder-coated finish ensures long-lasting structural integrity.

Cast-Iron Front Axle
Delivers strength and durability under tough conditions without bending.

No-Tools Oil Drain Valve
Simplifies oil changes and routine maintenance.

2.4-Gallon Fuel Tank
Rear-mounted tank with center fill opening and tethered cap for spill-free refueling.

Performance & Build:

• Engine: 17.5 HP, 500cc, John Deere 31R977 (M31)
• Transmission: TLT200 Hydrostatic, Rear-Wheel Drive
• Forward Speed: Up to 5.5 mph
• Reverse Speed: Up to 3.2 mph
• Cutting Height: 1″ to 4″, adjustable in 0.25″ increments (13 positions)
• Deck Construction: 13-gauge stamped steel
• Turning Radius: 18 inches (tight for a lawn tractor)
• Fuel Capacity: 2.4 gallons
• Battery: 12V, 300 CCA
• Tires: Front – 15×6-6, Rear – 20×8-8
• Weight: 414 lbs (without fuel)

Comfort & Convenience:

• Adjustable seat with 5.5″ fore/aft travel
• Cup holder and storage tray with optional cover
• Easy-access ignition and controls
• Bright twin incandescent headlights for visibility
• Built-in hour meter for maintenance tracking

Attachment-Ready:

Equipped with CargO Mount™ System, making it easy to install compatible add-ons:

Snow Equipment:

• 44” Two-Stage Snow Blower
• 46” Front Blade
• Weather enclosure & tire chains

Yard Tools:

• Rear Bagger (6.5 bushel, sold separately)
• Mulching kit
• Tow-behind sprayers, spreaders, and more

Extras:

• Front bumper
• Sun canopy
• Lawn striping kit
• Bucket holder

Warranty & Support:

• 2-Year/120-Hour Bumper-to-Bumper Warranty
  Whichever comes first—see JohnDeere.com for full terms.
• Built in Greeneville, Tennessee, USA

Product Dimensions:

• Length: 69.7 in
• Width with Deck: 55.2 in (46.5 in with deflector raised)
• Height: 40 in
• Wheelbase: 48.9 in
• Weight: 414 lbs (without fuel)