The New NH-A Lightweight Heavy-Duty Engine 690598

Onan's new 25 hp, heavy duty, air-cooled gasoline engine features an aluminum die cast cylinder block. The aluminum die cast construction combines the advantages of high thermal conductivity, minimum production cost, and is light in weight.
The inherent balance of the two cylinder opposed configuration provides smooth operation over the operating speed range.
Pressure lubrication, full flow oil filtration, and high efficiency panel air cleaner are some of the features which assure durability in the severest application.


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