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Home›Northern Lights›Northern Lights NL488

Northern Lights NL488 Generator Set

The Northern Lights NL488 is a 20 kW (26.5 kVA) Diesel standby generator set powered by a Yanmar 4TNE88-ADCL engine. It is available at 12 V, Single-phase, 60 Hz and rated 10 A. It holds about 6 L (1.6 gal) of oil and 5.72 L (1.5 gal) of coolant. Starting uses 1 group-100 battery at 12 V. The set measures 1361×512×821 mm (53.6×20.2×32.3 in) and weighs about 420 kg (926 lb).

20 kW
Standby
6.0 L
Oil capacity
2
Document types

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power20 kW
Standby kVA26
Prime power16 kW
Oil capacity6.0 L
AlternatorNorthern Lights NL488
Voltage options12 V
PhaseSingle
Rated current10 A
Circuit breaker10 A
Battery group100 amp hrs
Battery voltage12 V
Battery quantity1
Coolant capacity5.72 L
Dimensions (L×W×H)1361×512×821 mm
Dry weight420 kg

Engine

Yanmar 4TNE88-ADCL

Maintenance & consumables

for the Yanmar 4TNE88-ADCL
ItemSpecCapacityPart #Interval
Air filterSAE 5 w/C107 drive—100 hr find
Fuel filterSAE 5 w/C107 drive24-S50002200 hr PartsGeek
Fuel filterSecondary fuel filter24-50012200 hr Amazon eBay PartsGeek
Oil filterSAE 5 w/C107 drive—100 hr find
BeltSAE 5 w/C107 drive—50 hr find
OilSAE 5 w/C107 drive3.5 qts—100 hr

Common questions

What is the power rating of the Northern Lights NL488?

The Northern Lights NL488 is rated 20 kW standby (26.5 kVA).

What engine does the Northern Lights NL488 use?

The Northern Lights NL488 is powered by the Yanmar 4TNE88-ADCL engine.

What fuel does the Northern Lights NL488 use?

The Northern Lights NL488 runs on Diesel.

What alternator does the Northern Lights NL488 use?

The Northern Lights NL488 uses a Northern Lights NL488 alternator.

What fuel filter does the Northern Lights NL488 use?

The Northern Lights NL488 uses fuel filter part numbers 24-S50002, 24-50012.

Troubleshooting

3

Symptoms & remedies

SymptomRemedy
Temperature gauge shows temperature within normal temperature rangeCheck the engine crankcase oil level. 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. If the oil level is normal, DO NOT restart the engine. Call your dealer for assistance.
Temperature gauge shows temperature above 205°F (97°C)Shut off the engine immediately. Use the Trouble Shooting Guide in this manual to isolate the cause of the overheat.
Temperature gauge shows temperature within normal range but shutdown is activatedCheck the engine crankcase oil level. 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. 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

69
Part #DescriptionQtySystem
104200-59170Gasket1Gasket PartsGeek
104200-59171Gasket 122Gasket PartsGeek
114250-53080Fuel Injection Nozzle Assembly1Injector PartsGeek
119840-59560Fuel Return Pipe1Gasket PartsGeek
121250-44901Temperature Switch 110°C1Sensor PartsGeek FridayParts $13.50
121400-11340Valve Stem Seal4Seal PartsGeek FridayParts $222.47
121460-39450Pressure Switch1Sensor PartsGeek
121850-51960O-Ring1Seal PartsGeek
124160-11360Gasket1Gasket PartsGeek
124240-01883Gasket1Gasket PartsGeek
124460-11340SEAL, VALVE STEM4Seal PartsGeek FridayParts $222.47
124465-44950Gasket1Gasket PartsGeek
124732-42290Drive Belt1Belt PartsGeek
129100-42002Coolant Pump1Pump PartsGeek FridayParts $68.89
129100-42020Gasket1Gasket PartsGeek
129100-49820Cover Gasket1Gasket PartsGeek
129100-49840Gasket1Gasket PartsGeek
129100-52100Fuel Feed Pump1Pump PartsGeek FridayParts $25.99
129100-55650Fuel Filter1Fuel filter PartsGeek FridayParts $9.70
129129-77350O-Ring1Seal PartsGeek
129132-49050Hose1Hose PartsGeek
129150-32020Gasket1Gasket PartsGeek
129150-35041Gasket1Gasket PartsGeek
129150-35111Gasket1Gasket PartsGeek
129150-49811Gasket1Gasket PartsGeek FridayParts $128.00
129150-77511Gasket1Gasket PartsGeek
129155-49800Thermostat1Thermostat PartsGeek FridayParts $16.00
129155-52020Gasket1Gasket PartsGeek
129155-52050GASKET1Gasket PartsGeek FridayParts $23.99
129400-13201Gasket1Gasket PartsGeek
129407-01340Cylinder Head Gasket1Gasket PartsGeek FridayParts $35.43
129407-12110Gasket1Gasket PartsGeek
129407-13110Gasket1Gasket PartsGeek
129408-01330Cylinder Head Gasket1Gasket PartsGeek FridayParts $43.99
129550-11310Bonnet Gasket1Gasket PartsGeek
129619-12210Hose1Hose PartsGeek
129795-01780Rear Main Seal1Seal PartsGeek
129795-01800Oil Seal1Seal PartsGeek
129795-49551Gasket1Gasket PartsGeek
171420-49010Hose, Radiator Inlet1Hose PartsGeek
171420-49020Hose, Radiator Outlet1Hose PartsGeek
22-41016Oil Pressure Sender - Single Station1Sensor PartsGeek
22-45201Temperature Sender 250°F Standard Ground1Sensor PartsGeek
22190-080002Seal Washer1Seal PartsGeek
22190-220002Seal Washer1Seal PartsGeek
23414-100000Gasket2Gasket PartsGeek
23414-120000GASKET 12, ROUND2Gasket PartsGeek
24-07301Oil filter1Oil filter PartsGeek
24-27301Air filter element1Air filter Amazon eBay $44.91 PartsGeek
24-27302Air filter element1Air filter Amazon eBay PartsGeek
24-50012Fuel filter element1Fuel filter Amazon eBay PartsGeek
24-55650Spin-on fuel filter1Fuel filter PartsGeek
24-55700Spin-on fuel filter1Fuel filter PartsGeek
24-S50002Primary fuel filter1Fuel filter PartsGeek
24311-000120O-Ring3Seal PartsGeek
24311-000160O-Ring2Seal PartsGeek
24311-000320O-RING, 1AP32.01Seal PartsGeek
24311-240100O-Ring1Seal PartsGeek
24321-000650F/ Filter Bowl O-ring1Seal PartsGeek
24341-000240O-Ring1Seal PartsGeek
24341-000280O-Ring1Seal PartsGeek
24341-000500O-Ring, 1A S-50.01Seal PartsGeek
41-0101274" Hose 5/16" ID Push-On1Hose PartsGeek
719810-53100Fuel Injector1Injector PartsGeek FridayParts $226.80
729618-92600Gasket Set1Gasket PartsGeek
927770-01212Liquid Gasket**As Required.Gasket PartsGeek
977770-01212Liquid Gasket1Gasket PartsGeek
124160-39450Oil Pressure Switch1Service part / kit PartsGeek FridayParts $11.50
15-01001Sealing Washer1Service 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%1.86.5
Prime75%2.710.0
Prime100%3.613.2
Standby50%1.55.5
Standby75%2.258.25
Standby100%3.011.0

Available documents

Operator's manual — ONL488-2 (Northern Lights)Parts manual — P488-2 (Northern Lights)