KAWASAKI FS600V-FS00-S 18.5HP Vertical Shaft Engine

The Kawasaki FS600V engine is an 18.5HP commercial-grade V-Twin vertical shaft engine designed for ride-on mowers, zero-turn units, and heavy-duty residential equipment.

With a 603cc air-cooled OHV design and compact 90° V-Twin layout, the FS600V delivers smooth operation, strong low-end torque, and dependable performance in tough mowing conditions. Its pressurised lubrication system, cast-iron cylinder liners, and dual-element air filtration make it well suited to Australian heat, dust, and long operating hours.

Electronic ignition and an internally vented carburettor with fuel shut-off solenoid ensure reliable starting and consistent fuel delivery. A rotating debris screen improves airflow and cooling, helping extend engine life during continuous use.

This engine is a proven replacement option for contractors, acreage owners, and property managers seeking Kawasaki reliability without stepping up to higher-horsepower FX models.

Key Features

• 18.5HP Kawasaki commercial-grade V-Twin engine

• 90° V-Twin configuration for reduced vibration

• Air-cooled OHV design with efficient cooling

• Pressurised lubrication system with oil filter

• Electronic ignition for fast, consistent starting

• Internally vented carburettor with fuel shut-off solenoid

• Dual-element air filter for dusty environments

• Cast-iron cylinder liners for long service life

• Rotating grass/debris screen to maintain airflow

• Electric start for operator convenience

• 1″ × 80mm vertical crankshaft compatibility

Specifications

• Engine Type: 4-stroke, vertical shaft, V-Twin, air-cooled OHV

• Displacement: 603 cc

• Bore × Stroke: 73 × 72 mm

• Power Output: 18.5 HP (13.8 kW) @ 3600 RPM

• Maximum Torque: 43.8 Nm @ 2200 RPM

• Oil Capacity: 1.7 L (with filter)

• Dry Weight: 36.7 kg

Compatibility

Compatible with zero-turn mowers, ride-on mowers, and heavy-duty residential equipment requiring a 1″ × 80mm vertical crankshaft.

Commonly used in brands such as Husqvarna, Toro, Gravely, Scag, and John Deere (model-dependent — verify crankshaft size before purchase).