18HP Vertical Shaft Lawn Mower Engine Petrol Motor 4 Stroke OHV Ride On

This 18HP vertical shaft lawn mower engine is a powerful 4-stroke OHV petrol motor designed for ride-on mowers and other equipment. It features a durable cast iron bore, electronic ignition with electric start, and a 25.4mm parallel shaft with a keyway. The engine is a universal fitment, suitable for various mower models with some possible modifications needed.

• 550CC 4-stroke engine
• 18 horsepower OHV vertical shaft
• Electronic ignition with electric start
• 25.4mm parallel shaft with keyway
• Direct replacement for certain mounting bolt patterns
• Requires potential modifications for muffler, exhaust, or electrical wiring

Before purchasing, verify the bolt pattern, output shaft size, engine displacement, and physical dimensions to ensure compatibility with your mower. Some modifications may be necessary for installation and operation.

Specifications

• Engine type: Air cooled single cylinder four stroke
• Horsepower: 18HP
• Engine capacity: 550CC
• Bore x Stroke: 94.5 x 78mm
• PTO shaft rotation: Counterclockwise (vertical output)
• Compression ratio: 8.7:1
• Net power: 13.2 kW at 3600rpm
• Net torque: 39.5 Nm at 2500rpm
• Ignition system: Transistorized magneto ignition
• Starting system: Electric starter
• Carburetor: Flat suction valve carburetor
• Governor system: Centrifugal mechanical
• Engine oil capacity: 1.5 L
• Packaging weight: 41 kg

Package Content

• 1 x 18HP vertical shaft engine
• 1 x manual