Specifications + Dimensions

175 kW50 Hz
1500 RPM
Voltage Regulation0.5%
Frequency Droop ControlIsochronous 0%
Phase and Power FactorThree phase
0.8 power factor std.
Generator Full Load Temperature Rise95°C temperature rise
at 50°C ambient
Heat Exchanger Cooling Standard. Keeling Cooling optional. 
HE Heat Rejection to jacket water - BTU min12,522
HE Freshwater Pump Capactiy - gpm (lpm)70.8 (268)
HE Approx Cooling Capacity - gal (ltr)11.1 (42)
HE seawater pump capacity - gpm (lpm)79 (299)
HE max seawater pump suction head lift - ft (m)9 (2.8)
HE seawater pump inlet hose ID - in (mm)2.5 (63.5)
HE seawater inlet/discharge thru - hull - in (mm)2.5 (63.5)
DC Starting Voltage24
Min battery capacity - amp hr (CCA)255 (750)
Battery cable size up to 10 ft (3m)2/0
Air consumption - cfm (m3/m)600 (17)
Approx heat radiated to air - BTU/min (kW)2150 (37.8)
Generator cooling air flow - cfm (m3/m)850 (24)
Exhaust gas volume - cfm (m3/m)1409 (40)
Exhaust gas temp - F° (C°)847 (453)
Max. exhaust back pressure - inch H2O (mm H2O)30 (756)
Dry exhaust elbow OD - in (mm)4 (102)
Wet exhaust elbow OD - in (mm)6 (152)
Fuel injection pump type and controlHPCR
Supplied and return Size3/8 in NPT
Max fuel transfer pump suction lift - in (mm)80 (2032)
Max fuel flow to transfer pump - gph (lph)63.4 (240)
Specific fuel consumption max load - lbs/hp-hr (g/kW-hr)0.383 (232)
Approx fuel load - gph (lph)14 (53)
Continuous20
Intermittent (2 minutes) (with separate expansion tank)30
Length - in (mm)100 (2540)
Width - in (mm)42 (1067)
Height - in (mm)40.6 (1031)
Weight - lbs (kg)4700 (2132)

* For units with exhaust after treatment, max back pressure can be 60 in H20 (1524 mm H20) with diminished performance.

Features + Benefits

  • Lugger six cylinder, four cycle, in-line, liquid cooled, overhead valve, marine diesels based on heavy-duty 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 have 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.
  • Torsional crankshaft dampers help ensure smooth operation.
  • A single poly-vee drive belt powers the alternator. Gear driven coolant pump.
  • High pressure common rail fuel injection for smooth, clean delivery.
  • Direct fuel injection systems.
  • Canister fuel filters include drain and sensors for low fuel pressure and water-in-fuel.
  • Electric Fuel transfer pump with automatic priming.
  • Positive displacement gear-type oil pump.
  • Full flow, spin-on oil filter.
  • Oil spray cooling reduces piston crown temperature for longer life.
  • 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 housings for safety.
  • Jacket water aftercooler provides optimized combustion and output.
  • No second keel cooler needed.
  • Heat exchanger cooling:
  • Cupronickel, tube type heat exchanger with removable ends for easy cleaning.
  • Gear driven, beltless, flexible impeller, sea water pump is bronze and stainless steel.
  • Cast expansion tank with brass filler neck.
  • Two thermostats for quick warm-ups and safety.
  • Cast-iron exhaust manifold has two pass jacket-water flow for even temperature control.
  • Heat exchanged configuration standard, optional keel cooled configuration.
  • Electronic System Profiler (ESP) supplies an SAE J1939 data stream through a CANbus plug.
  • Optional engine monitor screen.
  • Negative ground, 12 volt DC system has circuit breaker, starter motor and alternator with regulator.
  • Relay board and senders for gauged panels standard.
  • Standard S-3C remote control panel with engine hour meter, coolant temperature gauge, oil pressure gauge, DC voltage meter, start-stop and shutdown bypass switches.
  • Additional optional panels help you specify the amount and type of information delivered.
  • Reliable, relay based DC system is easy to trouble shoot and repair.
  • Up to 6 panels can be used up to 110 feet from set.
  • Low oil pressure and high coolant temperature safety shutdown system.
  • Pre-wired engine, panel with terminal strips.
  • Direct coupled, single bearing, 12 lead, re-connectable 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 110°/50° heat rise ratings.
  • Engines and generators are torsionally matched for long life.
  • Automatic voltage regulator; ±1.5% regulation over the entire range from no load to full load.
  • Configured for isochronous frequency control with ECU electronic governor control.
© Northern Lights, Inc. 2018