Tel: +1(284)494-2830

Tel: +1(284)494-2830

M944W3F Northern Lights Marine Generator

30 kW @ 60 Hz / 1800 rpm



Engine Block

Four cycle, 4 cylinder, liquid cooled, naturally aspirated, overhead valve diesel with glow plugs for quick starting. The forged carbon-steel crankshaft is stronger than cast iron while the cross flow head makes for efficient combustion. Helical cut gear train reduces noise.

Cooling System

Standard heat exchanger cooling with optional keel cooling. Copper-nickel, tube-type heat exchanger has removable end caps for easy cleaning. Electrolysis protection via zinc anode. The bronze and stainless steel seawater pump with rubber impeller is gear driven, eliminating a potential failure point.

Fuel System

The self-venting fuel system features an inline injection pump with 3-5% mechanical governor for close AC frequency control. The fuel lift pump is mechanical with a hand primer, eliminating electronic pump failures.

Intake and Exhaust

The M944W3F has a stainless steel wet exhaust elbow.

Lubrication System

The closed crankcase vent system traps oil vapor and keeps engine room clean. 10.5 qt (10 ltr) oil capacity for better lubrication and 250 hour oil change intervals. Oil drain hose with valve plumbed to base pan as standard.

DC Electrical System

The DC System features a 12 volt starter motor and battery charging alternator with belt guard. The set is equipped with a standard remote mount control panel, featuring an hour meter, stop-start switch, engine gauges, a preheat switch, and includes a 20 foot (6m) harness. The standard panel can be expanded to six panels, up to 110 feet from the set. Gauges include oil pressure, coolant temperature and DC Voltage. Low oil pressure, high coolant temperature and high exhaust temperature safety shutdowns standard.

AC Generator

The Northern Lights, direct coupled, four pole, four lead generator has Class “H” insulation, a pre-lubricated bearing and features a conservative heat rise rating of 95°C/50°C ambient. Our external automatic voltage regulator is powered by a dedicated AC winding for true 300% short circuit protection.

Specifications & Dimensions

AC Output
- 30 KW 60 Hz, 1800 RPM, 1 Ph, 1.0 PF,
- 120/240 V/125 A, 120 V/250 A
- Optional Three Phase with 0.8 PF
- (Not Reconnectable)
- Voltage regulation ±1%

Engine Data
- Type Vertical inline 4 cylinder diesel
- Displacement 203 in3 (3.3 ltr)
- Bore/Stroke 3.70/4.72 in (94/120 mm)
- HP @ RPM 49/1800
- Approximate fuel use 2:
- 1800 RPM @ full load 2.80 gph (9.80 lph)
- 1800 RPM @ half load 1.50 gph (5.30 lph)

Weight and Height
- Approximate wet weight 1361 lbs (617 kg)
- Length 59.1 in (1501 mm)
- Width 29.0 in (737 mm)
- Height 30.7 in (779 mm)
- Sound enclosure weight 158 lbs (72 kg)
- Enclosure length 56.0 in (1422 mm)
- Enclosure width 29.0 in (737 mm)
- Enclosure height 31.5 in (800 mm)

Installation Data
- Wet exhaust elbow 3 inch (76 mm) OD
- Raw water inlet 3/4 in (19 mm) OD
- Fuel inlet and return 1/4 inch NPT

Contact Parts & Power to purchase your Northern Lights M944W3 generator in the Caribbean.


PO Box 850
Road Town, Tortola
British Virgin Islands, VG1110

Tel: 284 494-2830
Fax: 284 494-6972


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