Specifications + Dimensions

60 Hz / 1800 rpm: 165 kW
50 Hz / 1500 rpm: 155 kW
Voltage regulation:0.5%
Frequency droop control:Isochronous 0%
Phase and power factor:Three phase 0.8 power factor std.
Opt.: Single phase -1.0 power factor
Generator full load temperature rise90°C temperature rise at 50°C ambient
Inline cylinders/
operating cycle:
Displacement -
cid (liter):
Bore/stroke -
inches (mm):
Fuel injection
pump type
and control:
(Keel cooling standard, heat exchanger optional)
Heat rejection to
jacket water -
1800 rpm BTU min/1500
Freshwater pump
capacity -
1800 rpm/gpm (lpm)/1500
30.9 (117)/
21.9 (83)
KC approximate
cooling capacity -
gal (ltr)
HE approximate
cooling capacity -
gal (ltr)
Seawater pump
capacity -
1800 rpm/gpm(lpm)/1500
24 (91)/
21 (78)
Max seawater
pump suction
head lift -
ft (m)
Sea water pump
inlet hose ID -
in (mm)
Min. seawater inlet/discharge
thru-hull -
in (mm)
(12V standard, 24V optional)
DC starting voltage - standard (optional)12 (24)
Min battery capacity - amp hr/12V CCA (24V CCA)200/1100 (750)
Starter rolling amps @ 0°C - 12VDC (24VDC)920 (600)
12 Volt battery cable size up to 10 ft (3m)2/0
Air consumption - 1800 rpm/cfm (m3/m)/1500215 (6.1)/
148 (4.2)
Approx heat radiated to air - 1800 rpm/BTU/min/1500596/474
Generator cooling air flow 1&3Ø - 1800 rpm cfm/1500700/575
Exhaust gas volume - 1800 rpm/cfm (m3/m)/1500521 (14.7)/
371 (10.5)
Exhaust gas temp - 1800 rpm/F°(C°)/1500846 (452)/
900 (482)
Max. exhaust back pressure - inch H2O (mm H2O)30 (762)
Wet exhaust elbow OD- in (mm)4 (102)
Dry exhaust elbow in (mm)4 (102)
Fuel injection pump type and controlHigh Pressure Common Rail
Min suction - in (mm)3/8 (10)
Min return line - in (mm)3/8 (10)
Max fuel transfer pump suction lift - ft (m)7.9 (2.4)
Max fuel flow to transfer pump at 1800 rpm - gph/150019.5/18.8
Specific fuel consumption max load 1800 rpm - lbs.hp.hr/15000.394/0.378
Approx. fuel rate at 1800 RPM full load - gph (lph)2/15005.5 (20.8)/
4.4 (16.6
Fuel supply and return- max pressure PSI. Height - ft (m)2.9
Fuel supply and return. Height - ft (m)7.9 (2.4)
Continuous (with separate expansion tank)30o
Intermittent (2 minutes)45o
- Low Profile
Length - inches (mm)75.0 (1905)
Width - inches (mm)38.0 (965)
Height - inches (mm)37.8 (960)
Weight - pounds (kilograms)2594 (1177)
Dimensions and Weight - w/optional enclosure
Length - inches (mm)75.0 (1905)
Width - inches (mm)38.0 (965)
Height - inches (mm)40.9 (1039)
Weight - pounds (kilograms)3086 (1401)


  1. Prime kW ratings for 3Ø at 0.8 power factor. Consult factory for deration factors.
  2. Based on prime kW rating at 1800 and 1500 RPM. Fuel rate may vary depending on operating conditions.

Dimensions are subject to change without notice, they are not intended for installations.

Contact a factory representative for the current installation data.

Features + Benefits

  • US EPA Tier III and IMO Tier II compliant.
  • Four cylinder, four cycle, in-line, liquid cooled, overhead valve, marine diesels based on heavyduty industrial engine blocks.
  • Balanced, forged crankshaft with induction hardened journals and rolled fillets for long life.
  • Replaceable, wet cylinder liners for long life and low rebuild costs.
  • Bimetallic valves with chrome stems and rotators.
  • Replaceable valve seats and guides.
  • Three ring aluminum alloy pistons with Ni-Resist insert for the top ring. Keystone piston ring reduces carbon buildup under light loads.
  • A single poly-vee drive belt powers the alternator and jacket-water pump.
  • High pressure common rail fuel injection for smooth, clean delivery.
  • Direct fuel injection system.
  • Ring clamp fuel filters with air bleed and drain.
  • Diaphragm-type, mechanical fuel transfer pump with manual priming lever.
  • Positive displacement gear-type oil pump.
  • Full flow, spin-on oil filter.
  • Oil spray cooling reduces piston crown temperature.
  • Jacket-water, plate-type, full flow oil cooler reduces heat and prevents lube oil breakdown.
  • Large capacity oil pan.
  • A closed loop crankcase vent traps oil vapor to keep the engine room clean.
  • Dry air filter silences intake noise.
  • Turbocharger with jacket water cooled turbine housing for safety.
  • Heat exchanger with keel cooled option.
  • Gear driven sea water pump with self-priming flexible impeller. Bronze with stainless steel shaft.
  • Cast iron expansion tank.
  • Two thermostats for quick warm-ups and safety.
  • Cast-iron exhaust manifold for reliable temperature control.
  • Negative ground, 12 volt DC system has circuit breaker, starter motor and alternator with regulator.
  • Low oil pressure and high coolant temperature safety shutdowns.
  • Optional control panels help you specify the amount and type of information required. Comprehensive list of optional alarms and safety shutdowns.
  • Optional DC logic system for simplified maintenance.
  • Optional pre-wired engine, panel with terminal strips.
  • Direct coupled, single bearing, 12 lead, reconnectable AC generator. Maintenance free brushless design.
  • All NL generators meet or exceed class society standards with Class “H” insulation, accessible diodes, oversized ball bearings, marine grade shafts and conservative 90°/50° heat rise ratings.
  • PMG for 300% short circuit protection.
  • Engines and generators are torsionally matched for long life.
  • Automatic voltage regulator; ± 1% regulation over the entire range from no load to full load.
  • Configured for 0% isochronous droop with integral electronic governor control supplied by ECU.
  • Welded steel base frame.
  • Sparkling white IMRON® polyurethane paint.
  • Operator’s and parts manuals.
  • Optional sound enclosure for industry best sound and vibration attenuation in a compact design.
© Northern Lights, Inc. 2018