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Northern Lights Equipment

Northern Lights Marine Generator Sets 5–40 kW (Gem Series)

Model M673LD3G, M673L3G, M773LW3GN, M843NW3G, M844DW3G, M844LW3G, M864W3G, M944W3FG, M944W3G, M944T, M944T3FG

Compact marine diesel generator sets from 5/4.5 kW to 38/36 kW for pleasure craft and commercial vessels, with Gem Series sound enclosure and ABYC A-27 compliance.

Description

Northern Lights builds a range of small marine diesel generator sets for pleasure craft and commercial vessels, from the M673LD3G (5 kW at 60 Hz / 4.5 kW at 50 Hz) up to the M944T3FG (38/36 kW). The sets comply with ABYC A-27 and can be supplied with the Gem Series sound enclosure and an ignition protected option.

Key features

  • Example M673LD3G: vertical inline 3-cylinder, four-cycle, naturally aspirated diesel, 0.76 l displacement, 10.1 hp at 1800 rpm
  • Copper-nickel tube-type heat exchanger cooling as standard, keel cooling optional; gear-driven seawater pump
  • Inline injection pump with mechanical governor and self-venting fuel system
  • Direct coupled, four pole generator with Class H insulation and automatic voltage regulator (±5%)
  • US EPA Tier III at 60 Hz and IMO Tier II at 50 Hz (M673LD3G)
  • Common service points on a single side

Applications

Auxiliary power for yachts, sportfish boats and small commercial vessels.

Specifications

Power range5/4.5 kW to 38/36 kW
M673LD3G output5 kW (60 Hz, 1800 RPM, 1 ph) / 4.5 kW (50 Hz, 1500 RPM, 1 ph)
M673LD3G displacement46.4 in3 (0.76 ltr)
M673LD3G fuel use 1800 RPM full load0.59 gph (2.2 lph)

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