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Northern Lights L773L Engine

Name: Northern Lights L773L Engine
Brand: Northern Lights

The Northern Lights L773L is a 1.13 L 3-cylinder naturally aspirated engine rated at 1800 rpm. It powers generator sets from Northern Lights, including the NL773LW4. It holds 5 L (1.3 gal) of oil.

Also known as: Northern Lights L773L

1.13 L

Displacement

Cylinders

1800 rpm

Rated speed

5.0 L

Oil capacity

On this pageSpecs Generator sets Maintenance FAQ

Engine specifications

Oil capacity	5.0 L
Displacement	1.13 L
Cylinders	3
Aspiration	Naturally aspirated
Rated speed	1800 rpm

Generator sets powered by this engine

Northern Lights NL773LW4

How to read your Northern Lights engine serial & model number →

Maintenance schedule

Item	Spec	Capacity	Part #
Air filter	Large, replaceable air filter protects engine in dusty environments.		—
Fuel filter	Large spin-on fuel ﬁlter. Flexible fuel lines routed to fuel manifold for easy tank connectivity.		—
Oil filter	Full flow, spin-on oil filter with bypass.		—
Battery			—
Belt			—
Coolant			—
Oil	5 qt. (4.9 ltr) oil capacity for better lubrication.	5.0 qt	—
Spark plug			—

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the oil capacity of the Northern Lights L773L?

The Northern Lights L773L engine has an oil capacity of 5.0 liters.

What is the displacement of the Northern Lights L773L?

The Northern Lights L773L has a displacement of 1.13 liters with 3 cylinders.

Which generators use the Northern Lights L773L engine?

The Northern Lights L773L powers 1 generator set(s), including Northern Lights NL773LW4.