HomeNorthern LightsNorthern Lights M984K

Northern Lights M984K Generator Set

The Northern Lights M984K is a 32 kW diesel prime generator set. It is available at 120 V, 120/208 V, 120/240 V and 277/480 V, single-phase and 60 Hz. The set measures 1386×520×777 mm (54.6×20.5×30.6 in) and weighs about 553 kg (1219 lb).

3
Document types

How to read your Northern Lights serial & model number →

Service parts for the M984K

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required

Fuel system

2 required
24-50002Fuel filter (secondary)see priceAmazon

Oil system

1 required

Belts

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Fueldiesel
Frequency60.0 Hz
Prime power32 kW
AlternatorPX-332K
Voltage options120 V, 240 V, 120/208 V, 120/240 V, 277/480 V
Phasesingle/three
Dimensions (L×W×H)1386×520×777 mm
Dry weight553 kg

Maintenance & consumables

ItemSpecCapacityPart #Interval
Air filterAir Filter Element (Lugger)24-25401 Amazon eBay
Fuel filterFuel Filter24-52020200 hr Amazon $29.87 eBay $24.71
Fuel filtersecondary24-50002200 hr Amazon eBay
Oil filterOil Filter24-05401100 hr Amazon eBay $33.15
Batterycondition with hydrometer600 hr
BeltDrive Belt (without PTO)40-05403 Amazon eBay
Coolantantifreeze mixture600 hr
Oil9.0 l100 hr

Common questions

What kind of fuel does the Northern Lights M984K run on?

The Northern Lights M984K runs on diesel.

What is the dry weight of the Northern Lights M984K?

The Northern Lights M984K has a dry weight of 553 kg (1219 lb).

What voltage does the Northern Lights M984K produce?

The Northern Lights M984K is offered in 120 V, 240 V, 120/208 V, 120/240 V, 277/480 V, single/three-phase.

Which alternator is fitted to the Northern Lights M984K?

The Northern Lights M984K uses a PX-332K alternator.

Which oil filter part number does the Northern Lights M984K take?

The Northern Lights M984K uses oil filter part number 24-05401.

What fuel filter does the Northern Lights M984K use?

The Northern Lights M984K uses fuel filter part numbers 24-52020, 24-50002.

What air filter does the Northern Lights M984K use?

The Northern Lights M984K uses air filter part number 24-25401.

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
Engine Runs Irregularly or Stalls FrequentlyBelow normal engine temperature Clogged primary fuel filter element Clogged secondary fuel filter element Water or dirt in the fuel system Dirty or faulty injection nozzles Air in fuel system Improper type of fuelRemove and check thermostat. Clean or replace filter element. Replace secondary filter element. Drain, flush, fill and bleed system. Inspect clamps and hoses on suction side of fuel pump for air leak. Consult fuel supplier and use proper type of fuel for operating condition.
Lack of Engine PowerEngine overloaded Intake air restriction Clogged primary fuel filter element Clogged secondary fuel filter element Improper type of fuel Overheated engine Below normal engine temperature Improper valve clearance Dirty or faulty injection nozzlesReduce the load. Service air cleaner. Clean or replace filter element. Replace filter element. Consult fuel supplier and use proper type of fuel for operating conditions. See “Engine Overheats” in next category. Remove and check thermostat. Reset valves. Best done by dealer. See your local dealer.
Engine OverheatsEngine overloaded Low coolant level Keel cooling tubes (marine sets) have been painted Cooling system needs flushing Defective thermostat Defective temperature gauge Water pump impeller worn or brokenReduce the electrical load. Fill tank or radiator to proper level. Check hoses for loose connections and leaks. Remove paint from tubes. Flush cooling system. Remove and check thermostat. Check water temperature with thermometer and replace gauge if necessary. Check the impeller and replace if necessary.
Engine KnocksInsufficient oil Injection pump out of time Below normal engine temperature Faulty fuel injector Engine overheatingCall your dealer. Call your dealer. Check your thermostats. Check water temperature to see if temperature gauge is working properly. See “Engine Overheating” section.
High Fuel ConsumptionImproper type of fuel Clogged or dirty air cleaner Engine overloaded Improper valve clearance Injection nozzles dirty Injection pump out of time Engine not at proper temperatureUse correct fuel for temperature. Service air cleaner. Reduce the electrical load. See your dealer. See your dealer. See your dealer. Check your thermostats. Check water temperature with thermometer and replace gauge if necessary.
Below Normal Engine TemperatureThermostats not working properly Temperature gauge not working properlyCheck thermostats. Check water temperature with thermometer.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Northern Lights M984K troubleshooting guide (14 entries) →

Parts

73
Part #DescriptionQtySystem
11-12203Gasket1Gasket Amazon eBay
11-15401Gasket, Thermostat Housing1Gasket eBay
11-25400Gasket1Gasket eBay $5.00
11-35401Exhaust Elbow Gasket1Gasket Amazon eBay
11-35402Exhaust Manifold Gasket4Gasket eBay
11-75401Gasket, Hydraulic Pump Flange1Gasket eBay
11115-78701-71Cylinder Head Gasket (formerly #11115-78700-71)1Gasket eBay FridayParts $59.00
11213-78300-71Rocker Arm Cover Gasket1Gasket eBay $30.00
11213-78700-71Rocker Arm Cover Gasket1Gasket eBay
11312-78330-71Gasket, Timing Gear Case1Gasket eBay
11328-78700-71Gasket, Timing Gear Cover1Gasket eBay
11383-78700-71Gasket, Rear Main Seal Retainer (formerly #11383-78330-71)1Gasket eBay
15691-78301-71Gasket1Gasket eBay $15.95
16-15401O-Ring1Seal Amazon eBay
16-25400O-Ring, 8.5 mm x 18 mm x 3.2 mm4Seal eBay
16100-78700-71Coolant Pump Assembly (parts not available separately - includes Key #2)1Pump eBay
16271-78302-71Gasket (Coolant Pump)1Gasket eBay
17171-78300-71Intake Manifold Gasket1Gasket eBay
17171-78700-71Intake Manifold Gasket1Gasket eBay
18-15401Bypass Hose, 1" ID x 5-1/4" Silicon1Hose eBay
18-15402Hose1Hose Amazon eBay
18-15404Hose, 3/4" ID x 5-3/4”1Hose Amazon eBay
18-35403Hose, 3/4" ID x 49" Wire Reinforced - KC units1Hose eBay
18-35404Hose, 3/4" ID x 46" Wire Reinforced - HE units1Hose eBay
18-55403Hose, 3/16" ID x 14"1Hose eBay
18-71010Hose, 5/8" ID x 11"1Hose eBay
20-12012Heat Exchanger Gasket, 3"2Gasket Amazon eBay
22-10003Water Level Switch / Gauge, Isolated Ground1Sensor Amazon eBay
22-10004Oil Level Switch/Gauge, ISO Ground1Sensor eBay
22-40233Oil Pressure Switch, 15 PSI, 1/8 NPT1Sensor Amazon eBay
22-40901Oil Pressure Switch, 25PSI1Sensor eBay
22-40907Temperature Switch, 205°F (3/8 NPT)1Sensor eBay
22-41016Oil Pressure Sender 0-80 PSI, Single Station 1/8 NPT1Sensor Amazon eBay
22-41025Switch, Water Temperature1Sensor Amazon eBay
22-42055Temperature Sender, 0-250°F Single Station 3/8 NPT1Sensor Amazon eBay
22-44871Oil Pressure Sender, Single Station 0-150 PSISensor eBay
22501-87302Primer Pump1Pump eBay
23600-78300-71Injector4Injector eBay
23620-78300-71Nozzle (marked DLLA150P35)1Injector eBay
24-05401Oil filter1Oil filter Amazon eBay $33.15
24-20001Air Filter1Air filter Amazon $184.36 eBay
24-25401Air Filter Element (Lugger)1Air filter Amazon eBay
24-25402Air Filter Element (Marine - see Intake Noise Reduction Assembly)1Air filter Amazon eBay $24.95
24-50002Primary fuel filter - complete unit (Racor type water separator)1Fuel filter Amazon eBay
24-50012Primary fuel filter element1Fuel filter Amazon eBay
24-52020Fuel Filter1Fuel filter Amazon $29.87 eBay $24.71
25-12017Spline Seal1Seal Amazon eBay
25-12060Impeller1Impeller Amazon $29.95 eBay $28.99
25-12065Lip Seal1Seal Amazon eBay $15.00
25-12066Mechanical Seal1Seal Amazon eBay $40.46
25-12067O-Ring1Seal Amazon eBay $6.95
25-15405Raw Water Pump (see parts detail)1Pump Amazon eBay $22.50 FridayParts $359.99
26-55404Feed Pump Assembly (includes keys #1 - #20)1Pump eBay
27371-63020Alternator Brush2Brush eBay
27372-63020Brush Spring2Brush eBay
27700-78301-71Regulator Assembly1Avr eBay
28141-22060-71Starter Brush2Brush eBay
29-05410Overhaul Gasket Set1Gasket eBay
35-10002Thermostat1Thermostat eBay
36-72002Hand Pump1Pump Amazon eBay
37-15401Flow Switch1Sensor eBay
40-05403Drive Belt (without PTO)1Belt Amazon eBay
40-05405Drive Belt (with PTO)1Belt Amazon eBay
90301-81950-71O-Ring1Seal eBay
90311-55950-71Front Crankshaft Seal1Seal eBay
90311-95951-71Rear Main Seal (previously #90311-95950-71)1Seal Amazon eBay
00-05408Wear Sleeve (Repair Type)**Service part / kit Amazon eBay
192290-0060Overhaul Kit1Service part / kit eBay
21-12010Zinc Anode1Service part / kit Amazon eBay
22-40007Stop Solenoid 24 Volt with Integral Stud1Service part / kit eBay
22-42054Stop Solenoid 12 Volt1Service part / kit eBay
25-12004Repair Kit (includes keys #3 - #9, #11)1Service part / kit Amazon eBay $88.39
25-12064Bearing1Service part / kit Amazon eBay $9.95

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
8.72.3
50%5.31.4
100%9.82.6

Available documents

Spec sheet — M984K (Northern Lights)Owner's manual — OM984K (Northern Lights)Parts manual — P984-I (Northern Lights)Parts manual — P984 (Northern Lights)

This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 24-52020$24.71
Oil filter 24-05401$33.15
2 priced items$57.86