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Home›Northern Lights›Northern Lights M843NW3

Northern Lights M843NW3 Generator Set

The Northern Lights M843NW3 is a 12 kW standby generator set powered by a Lugger L843N engine. It is available at 180 V and 360 V, 1-phase, 50 Hz and rated 50 A. It holds about 4.2 L (1.1 gal) of oil. The set measures 1000×580×641 mm (39.4×22.8×25.2 in) and weighs about 380 kg (838 lb).

12 kW
Standby
1.5 L
Displacement
4.2 L
Oil capacity
5
Document types

Specifications

Frequency50.0 Hz
Standby power12 kW
Prime power10 kW
EmissionsUS EPA Tier III
Oil capacity4.2 L
AlternatorPX-312K2
Voltage options180 V, 360 V
Phase1
Rated current50 A
Power factor1
Dimensions (L×W×H)1000×580×641 mm
Dry weight380 kg

Engine

Lugger L843N
Displacement1.5 L
Aspirationnaturally aspirated
Rated speed1800 rpm

Maintenance & consumables

for the Lugger L843N
ItemSpecCapacityPart #Interval
Air filter— find
Fuel filterlarge spin-on fuel filter— find
Oil filterfull flow, spin-on oil filter with bypass— find
Belt— find
Coolant—
Coolant filter— find
Oilspin-on oil filter with bypass—200 hr

Common questions

What is the power rating of the Northern Lights M843NW3?

The Northern Lights M843NW3 is rated 12 kW standby.

What engine does the Northern Lights M843NW3 use?

The Northern Lights M843NW3 is powered by the Lugger L843N engine.

What alternator does the Northern Lights M843NW3 use?

The Northern Lights M843NW3 uses a PX-312K2 alternator.

Parts

85
Part #DescriptionQtySystem
052400400O-Ring1O ring PartsGeek
06-73110Seal bar assembly1Seal PartsGeek
11-18602Gasket, Thermostat Cover2Gasket PartsGeek
111996420Gasket, Rocker Arm Cover2Gasket PartsGeek
130506140Fuel Lift Pump1Pump PartsGeek FridayParts $33.08
130996130Fuel Lift Pump Mtg. Gasket1Gasket PartsGeek
131406480Injector Assembly3Injector PartsGeek
135996550Gasket1Gasket PartsGeek
145206022Thermostat1Thermostat PartsGeek FridayParts $14.44
165996510Oil Fill Neck Gasket1Gasket PartsGeek
185366220Glow Plug 12V3Glow plug Amazon eBay PartsGeek FridayParts $47.99
22-42047Relay, SPDT 12V 50A1Relay PartsGeek
22-45600Circuit Breaker 100 ft.Circuit breaker PartsGeek
22-45601Y HarnessY harness PartsGeek
22-45610Circuit Breaker 10 ft.Circuit breaker PartsGeek
22-45620Circuit Breaker 20 ft.Circuit breaker PartsGeek
22-45630Circuit Breaker 30 ft.Circuit breaker PartsGeek
22-45640Circuit Breaker 40 ft.Circuit breaker PartsGeek
22-45650Circuit Breaker 50 ft.Circuit breaker PartsGeek
22-45670Circuit Breaker 70 ft.Circuit breaker PartsGeek
22-68304Brush & Holder Assembly1Brush holder PartsGeek
22-70235S-3B Panel 12v/24vControl panel PartsGeek
22-70240S-3B Panel 12v/24vControl panel PartsGeek
22-70250S-3B Panel 12v/24vControl panel PartsGeek
22-70260S-3B Panel 12v/24vControl panel PartsGeek
22-70280S-3B Panel 12v/24vControl panel PartsGeek
22-70300S-3B Panel 12v/24vControl panel PartsGeek
22-93102Tough Series Controller 1ph Single Volt Off Unit M843NW3Controller PartsGeek
22-95611S-3C Panel 12vControl panel PartsGeek
22-95612S-3C Panel 14vControl panel PartsGeek
24-02002Oil Filter4Oil filter PartsGeek
24-28602Air Filter Element1Air filter Amazon eBay PartsGeek
24-50002Primary Fuel Filter Complete Unit1Fuel filter Amazon eBay $34.85 PartsGeek
24-50012Primary Fuel Filter Element1Fuel filter Amazon eBay PartsGeek
25-12009Impeller Kit w/Gasket2Impeller kit PartsGeek
25-12031Water pump Cover O-Ring2O ring PartsGeek
25-12057Raw Water Pump1Pump PartsGeek
25-12060Impeller1Impeller PartsGeek
25-12067O-Ring, Raw Water Pump Cover2O ring PartsGeek
27-38008SS Exhaust Elbow1Elbow PartsGeek
340460170RW Pump Drive Gear1Gear PartsGeek
39-70006Molded Plastic Case1Case PartsGeek
40-08601Drive Belt1Belt Amazon eBay PartsGeek
55-73174Sound foam, snorkel receiver seal1Seal PartsGeek
W673-21Workshop manual PartsGeek
00-70083GROMMET, 1-1/8” ID x 1-7/8” OD PENETRATION PLATE2Service part / kit PartsGeek
00-70146Grommet, siphon break2Service part / kit PartsGeek
00-75714BOLTING ASSEMBLY, SHORT, STAINLESS STEEL20Service part / kit PartsGeek
05-70001CORNER CASTING4Service part / kit PartsGeek
05-72003BOLTING ASSEMBLY, LONG, STAINLESS STEEL8Service part / kit PartsGeek
05-73127EXTRUSION, VERTICAL4Service part / kit PartsGeek
05-73128EXTRUSION, HORIZONTAL, ENDS2Service part / kit PartsGeek
05-73129EXTRUSION, HORIZONTAL, SIDES2Service part / kit PartsGeek
05-73131RIGHT SIDE PANEL ASSEMBLY1Service part / kit PartsGeek
05-73132LEFT SIDE PANEL ASSEMBLY1Service part / kit PartsGeek
05-73133REAR PANEL ASSEMBLY1Service part / kit PartsGeek
05-73134FRONT PANEL ASSEMBLY1Service part / kit PartsGeek
05-73136TOP PANEL ASSEMBLY1Service part / kit PartsGeek
05-78010Sound Enclosure Assembly InstructionsService part / kit PartsGeek
05-78022PENETRATION PANEL ASSEMBLY1Service part / kit PartsGeek
05-78636JUNCTION BOX SUPPORT BRKT COVER ASSEMBLY1Service part / kit PartsGeek
06-73105Service side forward panel assembly1Service part / kit PartsGeek
06-73106Service side aft assembly1Service part / kit PartsGeek
06-73111Junction box bridge cover assembly1Service part / kit PartsGeek
06-73132Left side bottom valence assembly1Service part / kit PartsGeek
06-73161Rear panel assembly1Service part / kit PartsGeek
06-73162Right side bottom valence assembly2Service part / kit PartsGeek
06-73163Non-service side panel assembly1Service part / kit PartsGeek
06-73165Front bottom valence assembly1Service part / kit PartsGeek
06-73167Front panel assembly1Service part / kit PartsGeek
12-00000#10-32 MACHINE SCREW x 1/2” LONG, STAINLESS STEEL8Service part / kit PartsGeek
12-00776M8 x 20 18-8, S/S hex head capscrew4Service part / kit PartsGeek
14-00032#10-32 NYLOCK HEX NUT, STAINLESS STEEL12Service part / kit PartsGeek
15-00705M8 lockwasher, S/S4Service part / kit PartsGeek
15-11000M8 flatwasher, S/S4Service part / kit PartsGeek
15-70002#10 FLATWASHER, USS STAINLESS STEEL12Service part / kit PartsGeek
22-72026Kit, harness addition1Service part / kit PartsGeek
23-78003REAR PANEL RETAINING BRACKET2Service part / kit PartsGeek
23-78007TOE BRACKET4Service part / kit PartsGeek
23-78016PANEL RETAINER BLOCK, SINGLE NOSE, NYLON8Service part / kit PartsGeek
27-33110KIT, WET EXHAUST OUTLET TUBE1Service part / kit PartsGeek
38-08607Heat Exchanged Kit #38-086071Service part / kit PartsGeek
55-73138PLUG, BASE PAN MOUNTING FOOT POCKET4Service part / kit PartsGeek
55-78066SOUND FOAM, PENETRATION PLATE OPTION2Service part / kit PartsGeek
OM843NW31Service part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime50%2.3
Prime100%4.5
Standby50%2.3
Standby100%4.5

Available documents

Spec sheet — S104 M843NW3 spec sheets V1 (Northern Lights)Operator's manual — OM843NW3 (Northern Lights)Reference — L116 1 4 warranty (Northern Lights)Reference — L631-Marine-Accessories (Northern Lights)Parts manual — L510-Spares-Kit-Updated-April-2020 (Northern Lights)Parts manual — P843-3-I (Northern Lights)Service manual — L834a-sound-shield-assy-M843NW3-GEM ls (Northern Lights)