Kawasaki 620 Engine Specifications

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Kawasaki 620 Engine Specifications
Zero-turn lawnmowers are one of the more common applications of the FD620D engine. (tondre le gazon image by fotogisèle from Fotolia.com)

Kawasaki's FD series of engines are designed to be high-torque powerplants for use in compact installations. The Kawasaki FD620D, sometimes also known as the 620, is an FD series engine that often sees service in riding mowers, including zero-turn mowers and lawn tractors.

Engine Type

The Kawasaki FD620D is a liquid-cooled, gasoline-powered V-Twin engine with a four-cycle horizontal shaft and overhead valves. This engine features pressurised lubrication, an electronic spark ignition and a single carburettor with a fuel shut-off solenoid. It also features switches for oil pressure and water temperature, as well as a dual-element air cleaner.


The Kawasaki FD620D engine has a displacement of 617cc, and a compression ratio of 9.0:1. The cylinder bore in this engine measures 78mm, with a 68-mm stroke.

Performance Data

The Kawasaki FD620D engine is capable of producing a maximum 20 horsepower at 3,600rpm. It can also generate a maximum 32.9ft.-lb. of torque at 2,200rpm.

Capacity and Weight

The Kawasaki FD620D can hold 1.6 qt. of oil with a filter equipped. When not equipped with a muffler, it has a dry weight of 47.2kg.

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