The Walker Model S18 is inspired by the original 1977 Walker prototype, designed with simplicity, efficiency, and the signature beautiful Walker cut in mind. Perfect for residential properties, the Model S delivers professional mowing performance in a compact, affordable package. With Walker’s Grass Handling System® (GHS), the patented Thru-Shaft® PTO blower, and a lightweight, balanced design, the Model S sets the standard for zero-turn productivity and precision.
Key Features
- Walker’s Grass Handling System® (GHS)
- Patented 12.75-inch Thru-Shaft® PTO GHS blower
- 7.0 bushel grass catcher for clean, efficient mowing
- Compact & Maneuverable
- Precision steering levers and Forward Speed Control
- Easily navigates tight landscape features and obstacles
- Reduces trimming and walk-behind mowing time
- Lightweight & Balanced
- Improves steering agility and overall control
- Shortens job time while reducing operator fatigue
- Durable Drive System
- Integrated Hydro-Gear ZT3100 transmissions
- Proven, serviceable, and supported across the industry
- Affordable & Configurable
- Engineered for affordability without sacrificing performance
- Compatible with multiple Walker add-ons and attachments
Specifications
Engine
- Manufacturer: Briggs & Stratton Vanguard
- Model: 356447-1338
- Displacement: 570 cc (34.8 cu. in.)
- Max Power: 18 HP @ 3600 RPM
- Max Torque: 29.2 ft-lbs
- Cooling System: Air
- Fuel Type: Regular grade unleaded gasoline (minimum 87 octane, maximum 10% ethanol)
- Fuel Capacity: 4 gal (15.1 L)
Electrical
- Battery: 12V, 300 CCA
- Charging System: Flywheel alternator
- Charging Output: 16 Amp DC (regulated)
Transmission
- Type: Dual, independent Hydro-Gear® ZT3100 integrated transaxles
- Steering: Hand lever control, individual wheel operation
- Forward Speed Control: Precision friction lock lever with cruise control and neutral-park position
- Parking Brake: Internal mechanical cog lock for each transaxle (single lever control)
- Forward Speed: 0–7.4 MPH (0–11.9 km/h), infinitely variable
- Neutral: Transmission release via manual dump valve
Blade Drive
- PTO Shaft: Quick-disconnect splined shaft with two high-speed U-joints
- Clutch & Brake: Ogura electric clutch with soft-start engagement and mechanical brake (stops blades within 5 seconds of disengagement)
Grass Handling System
- Blower: 12.75 in. diameter, three-blade paddle wheel with integrated Thru-Shaft® PTO
- Max Blower RPM: 2900 RPM
- Grass Catcher Capacity: 65 gal / 7.0 bu / 246 L
- Full Signal: Grass-Pak® full signal alerts operator when catcher box is full
- Powerfil® System: Oscillating delivery spout driven by 12V electric gearmotor spreads material evenly at 35 cycles/min
Deck
- Recommended Cut Widths: 36–56 in. (91–142 cm) for collection, side discharge, or mulch setups
- Cutting Height: 1–4 in. (2.5–10 cm) or 1.5–4.5 in. (4–11.5 cm) in ½ in. (1 cm) increments
- Deck Suspension: Torsion-Flex frame with caster wheels and counterweight springs
See Walker in Action
Stop by our Northeast Columbia or Lexington store to see these mowers up close and learn more about attachment compatibility & warranty information. We offer financing options for qualified buyers and demos so you can experience the difference before you buy.
Business hours: Monday-Friday, 7:30am - 5:30pm Saturday, 7:30am - 1:00pm.
