The NL773LW3 Land Based Generator .
9 kW @60 Hz / 1800 rpm | 7 kW 50 Hz / 1500 rpm


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You’ll find Northern Lights generator sets wherever prime power is needed.Our land based sets are at work worldwide, with a comprehensive warranty program, and global dealer network to back up the best products on the market.

The long-stroke engines that power the NL773LW3 are based on heavy-duty tractor engine blocks, then customized for optimal prime power production. With proper maintenance, Northern Lights generator sets have logged over 25,000 hours. Because these low-end torque powerhouses operate at 1800 rpm (or 1500 at 50Hz), they exhibit less wear and tear than the competitors’ light weight intermittant duty 3600 rpm gensets.

The engine powers Northern Lights’ exclusive W-Series generator end. This brushless generator features an auxiliary stator winding that provides separate, stable power to the automatic voltage regulator. This provides real 300% short circuit capability and improved breaker performance.

The NL773LW3 meets US EPA Tier IV emission standards, ensuring clean, quiet operation and long-term usage. A large muffler comes standard for a power solution that is quieter than comparable models.

The NL773LW3 runs on easily transportable diesel and provides excellent fuel economy; ideal for remote locations

Northern LIghts generator sets are easy to install, operate and maintain. The NL773LW3 has a self-venting fuel system, mounted control panel and is shipped ready for connection to your electrical distribution system.
To ensure ease of maintenance, all the key service points are on a common side. Low oil pressure and high coolant temperature shutdowns protect your investment.

Northern Lights products are sold and supported by a dealer network nearly 300 strong. Your Northern Lights dealer or factory representative can help you find the right solution to your power production needs.




Cylinders:: 3 inline
Bore: 3.03 in (77 mm)
Stroke: 3.19 in (81 mm)
Displacement: 69 cid (1.13 ltr)
Fuel System: Mechanical
Aspiration: Natural
Length: 37.9 in (965 mm)
Width: 19.0 in (482 mm)
Height: 31.4 in (798 mm)
Weight: 539 lbs (244 kg)
Information, specifications, materials and dimensions subject to change without notice.
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