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Yanmar L-N Series

3 models in this series

The L-N Series series from Yanmar comprises 3 models.

Yanmar L-N Series – air-cooled single-cylinder diesel engines of the register: L48N, L70N and L100N from Yanmar's industrial engine production

The Yanmar L-N Series brings together on this collective page three air-cooled single-cylinder diesel engines: L48N, L70N and L100N. Yanmar was founded in 1912 in Osaka and in 1933 was the first maker to bring a practical small diesel engine into series production; the L range continues that tradition of rugged, air-cooled single-cylinders for stationary and mobile industrial use, where no coolant circuit needs maintaining.

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The register lists here 3 versions: L48N, L70N and L100N. Output ranges from 3.5 to 7.4 kW (4.8 to 10.1 hp) at displacements of 219 to 435 cm³ and a rated speed of 3,600 rpm; all three are air-cooled naturally aspirated single-cylinder engines, dry weight lies between 27.0 and 48.5 kg.

Air-cooled single-cylinder diesels such as the L-N range have driven and still drive pumps, compressors, small construction machines and agricultural equipment worldwide, where their simple maintenance and resistance to frost and coolant shortage are especially valued.

When buying used, what counts on these air-cooled engines is the condition of the cooling fins and cooling fan, compression, and the condition of the injector; since the engines are often permanently built into equipment, it is also worth checking attachments such as the pulley or PTO flange. Spare parts run through Yanmar's industrial engine distribution.

Sources: SpecCodex register, model data: Yanmar L-N Series, Yanmar (manufacturer)

Yanmar L-N Series

Yanmar L-N Series – air-cooled single-cylinder diesel engines of the register: L48N, L70N and L100N from Yanmar's industrial engine production

Models

Diesel engine in 3D section

L100N

L48N

L70N