Exmark unveils 708cc, 452cc engines for zero-turn mowers

Updated Jan 12, 2015

Exmark708cc Engine02

Specifically designed for Exmark zero-turn mower applications, Exmark unveiled two Exmark-branded engines.

The single- and twin-cylinder engines feature overhead value designs to decrease fuel consumption and emissions, as well as reduce engine-operating temperature.

Engineers enhanced features such as cast iron cylinder liners, oversized crankshaft bearings and triple-ring pistons.

Exmark also includes a QR code on each engine, which allows for scanning with a smartphone or tablet to provide the user with maintenance and service information for the engine, as well as specifications and other information. 

708cc V-twin engine

The Exmark 708cc V-twin engine features an air intake designed that reduces dust and debris build-up with a constant flow of pre-screened air.

Exmark 708The designed of the air box cover and air filter help eliminate the possibility of incorrectly installing a filter.

Combined with a standard dual-barrel carburetor, the intake system delivers more air to the engine for increased power and fuel efficiency, and reduced operating temperature.

The Exmark 708cc V-twin engine also features a vacuum choke override.

A standard quick-drain system helps oil changes by offering the ability to drain oil without tools.

Exmark’s revamped Quest E- and S-Series machines are the first machines to be available with the twin-cylinder engine. The engine will be standard on Quest E-Series mowers with 42- or 54-inch cutting decks, and Quest S-Series machines with 42- or 50-inch cutting decks.

452cc single-cylinder engine
Exmark 452A balance shaft design on the 452cc engine reduces vibration, while an automatic compression release combines with electric starting to delivery quick starts.

Full-pressure lubrication and a standard dual-stage oil filtration system increase durability by delivering a supply of engine oil to specific engine parts.

The 452cc single-cylinder engine will first be available on 34-inch Quest S-Series machines, with additional applications expected in 2015 and beyond.


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