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Northern Lights M20C Generator Set

The Northern Lights M20C is a 16 kW diesel standby generator set. It is available at 120/240 V and 120 V, 1-phase, 60 Hz and rated 83.3 A. It holds about 8 L (2.1 gal) of oil and 4.8 L (1.3 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1213×533×838 mm (47.8×21.0×33.0 in) and weighs about 403 kg (888 lb).

16 kW
Standby
8.0 L
Oil capacity
3
Document types

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power16 kW
ControllerDC Logic System
Oil capacity8.0 L
Voltage options120/240 V, 120 V
Phase1 Phase Std. (3 Phase Opt.)
Rated current83.3 A
Power factor[0.8, 1.0]
Battery voltage12 V
Coolant capacity4.8 L
Max ambient50 °C
Dimensions (L×W×H)1213×533×838 mm
Dry weight403 kg

Maintenance & consumables

ItemSpecCapacityPart #Interval
Air filter24-231001000 hr Amazon eBay $97.42 PartsGeek
Fuel filter24-52020500 hr Amazon eBay $24.71 PartsGeek
Fuel filterprimary24-50012500 hr Amazon eBay $18.95 PartsGeek
Oil filter24-03100250 hr Amazon eBay $23.45 PartsGeek
Belt1000 hr find
Coolant2500 hr
Oil8.2 liters250 hr

Common questions

What is the power rating of the Northern Lights M20C?

The Northern Lights M20C is rated 16 kW standby.

What fuel does the Northern Lights M20C use?

The Northern Lights M20C runs on diesel.

Troubleshooting

5

Symptoms & remedies

SymptomRemedy
Engine temperature above 205°F (96°C)Shut off the engine immediately
Oil pressure below normal levelsCheck oil pressure gauge; shut down if it does not show a normal reading after a few seconds of operation
Low crankcase oil levelFill with recommended lubricating oil and restart; watch the oil pressure gauge carefully
Temperature rises above 205°F (96°C) on Marine unitsRepeat troubleshooting
Shutdown is activated and the temperature gauge shows temperature within normal temperature rangeA. Check the engine crankcase oil level b. If the oil level is low, fill with recommended lubricating oil and restart. Watch the oil pressure gauge carefully and shut off the engine if it does not show a normal reading (20-60 PSI) after a few seconds of operation. c. If the oil level is normal, DO NOT restart the engine. Call your dealer for assistance.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

8
Part #DescriptionQtySystem
24-03100lube oil filter1Oil filter Amazon eBay $23.45 PartsGeek
24-23100air cleaner element1Air filter Amazon eBay $97.42 PartsGeek
24-28401air cleaner elementAir filter Amazon eBay $129.40 PartsGeek
24-50002Primary Fuel Filter Complete UnitFuel filter Amazon eBay $34.85 PartsGeek
24-50012Primary Fuel Filter ElementFuel filter Amazon eBay $18.95 PartsGeek
24-52020secondary fuel filter1Fuel filter Amazon eBay $24.71 PartsGeek
B-7998Engine Wiring Schematic, Marine Gen Set, 12V DCWiring diagram PartsGeek
B-8212Engine Wiring Schematic, Commercial Set, 12V DCWiring diagram 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
Prime
Prime100%5.21.38
Standby

Available documents

Owner's manual — O844K (Northern Lights)Parts manual — P844-2-I (Northern Lights)Service manual — OM844K2 (Northern Lights)