🏷️ Basic Information Identification Make: Simplicity Model: Wonder Boy 400 Product Type: Lawn Mower Product Subtype: Rotary Mower 📋 Manual Details Documentation Manual Type: Operations and Parts Manual Manual Format: PDF Download Manual Language: English ⚙️ Engine Specifications Powerplant Engine Type: Gasoline Engine Displacement: Not Specified Engine Power: 4 HP Engine Manufacturer: Not Specified 🔧 Transmission Drivetrain Transmission Type: Manual Drive Wheels: Rear Wheel Drive 📐 Dimensions Physical Deck Width: Not Specified Weight: Not Specified 🛡️ Safety Features Operation Blade Brake Clutch: Not Specified 🔧 Maintenance Servicing Recommended Oil Type: Not Specified Recommended Oil Capacity: Not Specified Spark Plug Type: Not Specified 📄 Features Cutting Cutting System: Rotary Blade Cutting Height Adjustment: Not Specified Handling Handlebar Type: Adjustable Collection Grass Collection Type: Side Discharge (likely) 📄 Performance Operation Suitable Lawn Size: Not Specified