HomeMagnumMagnum MMG25FHICAN6

Magnum MMG25FHICAN6 Generator Set

The Magnum MMG25FHICAN6 is a 26 kW (35.3 kVA) standby generator set powered by a Isuzu 4LE1NYGV-03 engine. It is available at 600 V, 480 V, 208 V and 240 V, 3-phase and 60 Hz. It holds about 6.3 L (1.7 gal) of oil and 11 L (2.9 gal) of coolant. Starting uses 1 group-24 battery rated 720 CCA at 12 V. The set weighs about 929 kg (2048 lb) and produces 66 dBA at 23 m. An integrated tank holds 401 L (105.9 gal), roughly 45.4 hours of runtime.

26 kW
Standby
2.2 L
Displacement
6.3 L
Oil capacity
1
Document types

Specifications

Frequency60.0 Hz
Standby power26 kW
Standby kVA35
Prime power24 kW
ControllerMagnum Digital (MDC)
Oil capacity6.3 L
AlternatorMarathon 282PSL5255
Voltage options600 V, 480 V, 208 V, 240 V
Phase3
Power factor{'1': 1, '3': 0.8}
Circuit breaker90 A
Battery group24
Battery cranking720 CCA
Battery voltage12 V
Battery quantity1
Dry weight929 kg
Sound level66.0 dBA @ 23 m
Fuel tank401.0 L
Tank runtime45.4 hr

Engine

Isuzu 4LE1NYGV-03
Oil capacity6.3 L
Coolant capacity11.0 L
Displacement2.2 L
Aspirationnaturally aspirated
Rated speed1800 rpm

Maintenance & consumables

for the Isuzu 4LE1NYGV-03
ItemSpecCapacityPart #Interval
Air filter250 hr find
Fuel filterAPI SL or better8944015310500 hr PartsGeek
Oil filterAPI SL or better58761000801000 hr PartsGeek
Belt1000 hr find
Coolant1000 hr
Oil500 hr

Compatible filters for the Isuzu 4LE1NYGV-03 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Isuzu 5864014350 Isuzu 8972599390 Donaldson P775687 Donaldson P821575 Donaldson P822858

Common questions

What is the power rating of the Magnum MMG25FHICAN6?

The Magnum MMG25FHICAN6 is rated 26 kW standby (35.3 kVA).

What engine does the Magnum MMG25FHICAN6 use?

The Magnum MMG25FHICAN6 is powered by the Isuzu 4LE1NYGV-03 engine.

What is the oil capacity of the Magnum MMG25FHICAN6?

The Isuzu 4LE1NYGV-03 engine in the Magnum MMG25FHICAN6 has an oil capacity of 6.3 liters.

What alternator does the Magnum MMG25FHICAN6 use?

The Magnum MMG25FHICAN6 uses a Marathon 282PSL5255 alternator.

Troubleshooting

9

Fault codes

CodeMeaning
Sd Gen L1 <VShutdown Generator Line 1 Voltage Irregularity
Sd Gen L2 <VShutdown Generator Line 2 Voltage Irregularity
Sd Gen L3 <VShutdown Generator Line 3 Voltage Irregularity

Symptoms & remedies

SymptomCauseRemedy
LOW FUEL LEVEL SHUTDOWNFuel level is low, fuel tank has leaks, or fuel level sender and wiring are damaged.Check the fuel level, check for leaks, inspect the fuel level sender and wiring.
LOW OIL PRESSURE SHUTDOWNOil level is low or engine has oil leaks.Check the oil level, visually inspect the engine for leaks, check the oil pressure sender.
LOW COOLANT LEVEL SHUTDOWNCoolant level is low or coolant has mixed with oil.Check the coolant level, inspect hoses and engine for leaks, check the engine oil.
HIGH COOLANT TEMPERATURE SHUTDOWNCoolant temperature is too high.Check the coolant level, add coolant if necessary, inspect hoses and engine for leaks, check serpentine drive belt tension.
OVERCRANK SHUTDOWNEngine will not start.Check fuel level, check fuel pump operation, clean air filter.
OVERSPEED OR UNDERSPEED SHUTDOWNEngine speed is above or below 60.0 Hz.Disconnect all loads and check engine speed with no load, adjust throttle as needed.

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

Parts

38
Part #DescriptionQtySystem
002823aGrease1Grease PartsGeek
002824aOil1Oil PartsGeek
002825aOil1Oil PartsGeek
12969Filter, air - metallic1Air filter PartsGeek
12973Element, air filter1Air filter PartsGeek
13378Gasket, silicone2Gasket PartsGeek
15006Cable, .188 in. x 27 ft. w/ball swedge1Hose PartsGeek FridayParts $629.99
15183Filter, oil - Isuzu1Oil filter PartsGeek
15331Fuel filter element1Fuel filter PartsGeek
15612Cable, 16-7 cold mast drape1Hose PartsGeek
22258Belt, fan1Belt PartsGeek
26049Alternator, Isuzu1Alternator PartsGeek
285PSL5260Generator Model 285PSL52601Generator PartsGeek
50018Hose - .312 ID 50 PSI3Hose PartsGeek
PE4024HF285Engine Model PE4024HF2851Engine PartsGeek
12142Decal, GroundService part / kit PartsGeek
13370Assembly, tether1Service part / kit PartsGeek FridayParts $99.99
13660Radiator, 20kW wide1Service part / kit PartsGeek
14262Sheave, 3 in.2Service part / kit PartsGeek
15002Clamp, cable - .1882Service part / kit PartsGeek
15003Thimble, cable1Service part / kit PartsGeek
16600Winch, manual2Service part / kit PartsGeek FridayParts $199.89
19258Fan, 15.75 in.1Service part / kit PartsGeek
22419BBracket, overflow jug .5 gal-black1Service part / kit PartsGeek
22870Decal, Caution for 480V CSAService part / kit PartsGeek
23827Decal, Controller SwitchesService part / kit PartsGeek
23846Decal, Controller Start InstructionsService part / kit PartsGeek
24942Decal, Patented 7,642,665,B2Service part / kit PartsGeek
26286Decal, Hood ServiceService part / kit PartsGeek FridayParts $229.95
26386Decal, Pinch PointService part / kit PartsGeek
26387Decal Set, Rear Hood LatchService part / kit PartsGeek
27733Decal, Interior Light Switch OptionService part / kit PartsGeek
30093GSC Alarm StatusService part / kit PartsGeek
30175Decal, UN31A tank caution Located on tank.Service part / kit PartsGeek FridayParts $85.00
30496Decal, 3 Pos Phase Switch Located on Manual Holder.Service part / kit PartsGeek
34275Decal, Caution - 120V & 240V OutletsService part / kit PartsGeek
34424Decal Set, Voltage Selector Switch NEUTRAL BONDED TO FRAMEService part / kit PartsGeek
34425Decal, Terminal Connections - 600VService 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
Prime3.613.6
Prime100%6.8
Standby
Standby100%4.53.6

Available documents

Service manual — 34423 (Magnum)

Other sets with this engine