HomeNorthern LightsNorthern Lights M984W

Northern Lights M984W Generator Set

The Northern Lights M984W is a 33 kW diesel prime generator set. It is available at 120 V, single-phase, 60 Hz and rated 137 A. It holds about 9 L (2.4 gal) of oil, with a maximum ambient rating of 50 °C. The set measures 1386×594.6×766.4 mm (54.6×23.4×30.2 in) and weighs about 553 kg (1219 lb).

9.0 L
Oil capacity
3
Document types

How to read your Northern Lights serial & model number →

Service parts for the M984W

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

Air intake

1 required

Fuel system

2 required
24-50012Fuel filter (primary)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 power33 kW
Oil capacity9.0 L
AlternatorPX-332K2
Voltage options120 V, 240 V
Phase1
Rated current137 A
Power factor1
Max ambient50 °C
Dimensions (L×W×H)1386×594×766 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 filterprimary fuel filter element24-50012200 hr Amazon eBay
Oil filterOil Filter24-05401 Amazon eBay $33.15
BatteryElectrolyte level50 hr
BeltDrive Belt (without PTO)40-05403 Amazon eBay
Oiloil200 hr

Common questions

Is the Northern Lights M984W diesel or gas?

The Northern Lights M984W runs on diesel.

What is the oil capacity of the Northern Lights M984W?

The Northern Lights M984W has an engine oil capacity of 9 liters (9.5 US quarts), per the manufacturer specification sheet.

What is the dry weight of the Northern Lights M984W?

The Northern Lights M984W has a dry weight of 553 kg (1219 lb).

What voltages is the Northern Lights M984W available in?

The Northern Lights M984W is offered in 120 V, 240 V, 1-phase.

What alternator comes on the Northern Lights M984W?

The Northern Lights M984W uses a PX-332K2 alternator.

Which oil filter part number does the Northern Lights M984W take?

The Northern Lights M984W uses oil filter part number 24-05401.

What fuel filter fits the Northern Lights M984W?

The Northern Lights M984W uses fuel filter part numbers 24-52020, 24-50012.

What air filter fits the Northern Lights M984W?

The Northern Lights M984W uses air filter part number 24-25401.

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
Battery Will Not ChargeLoose or corroded connections Sulfated or worn out batteries Loose or defective alternator beltClean and tighten battery connections. Check specific gravity of each battery. Check electrolyte level of each battery. Adjust belt tension. Replace belt.
Starter InoperativeCheck DC circuit breaker Loose or corroded connections Low battery condition Defective electrical system ground wire:If the breaker is tripped, reset it. Clean and tighten loose battery and harness plug connection. Check specific gravity of each battery. Check electrolyte level of each battery. Repair or replace.
Starter Cranks SlowlyLow battery condition Check specific gravity of each battery Check electrolyte level of each battery Crankcase oil too heavy Loose or corroded connections Battery is too small. Battery cables are too small.If low, fill cells with distilled water. Fill with oil of appropriate viscosity. Clean and tighten loose connections.
Entire Electrical System Does Not FunctionCheck DC circuit breaker Faulty connection Sulfated or worn out batteriesIf breaker is tripped, reset it. Clean and tighten battery and harness plug connections. Check specific gravity and electrolyte level of each battery.
Engine Hard to Start or Will Not StartImproper starting procedure No fuel Low battery condition Excessive resistance in starting circuit Crankcase oil too heavy Improper type of fuel Water, dirt or air in fuel system Clogged primary fuel filter element Clogged secondary fuel filter element Dirty or faulty injection nozzlesSee starting section of this manual. Take special note of Bypass Switch operation. Check level of fuel in fuel tank. Check electrolyte level and condition. Clean and tighten all battery connections. Use oil of proper viscosity. Consult fuel supplier and use proper type of fuel for operating condition. Drain, flush, fill and bleed system. Clean or replace filter element. Replace filter element. Have your dealer check injection nozzles.
Engine Runs Irregularly or Stalls FrequentlyBelow normal engine temperature Clogged primary fuel filter element Clogged secondary fuel filter element

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Northern Lights M984W troubleshooting guide (11 entries) →

Parts

72
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
24-52020Fuel 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
OM9B4WAir filter elements1Air filter 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
50%5.31.4
100%9.82.6

Available documents

Spec sheet — M984W (Northern Lights)Owner's manual — OM984W (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