HomeMitsubishiMitsubishi MLT 5150

Mitsubishi MLT 5150 Generator Set

The Mitsubishi MLT 5150 is a 15 kW (15 kVA) Diesel standby generator set powered by a Mitsubishi S4L2-W461ML engine. It is available at 120/240 V, single-phase, 60 Hz and rated 125 A. It holds about 5.4 L (1.4 gal) of oil and 11 L (2.9 gal) of coolant. Starting uses 1 group-24 battery rated 440 CCA at 12 V. The set measures 4320×2030×1780 mm (170.1×79.9×70.1 in) and weighs about 977 kg (2154 lb). An integrated tank holds 212 L (56.0 gal), roughly 43 hours of runtime. The same S4L2-W461ML engine also powers generator sets from Magnum.

15 kW
Standby
1.76 L
Displacement
5.4 L
Oil capacity
0
Document types

Compare with other 15–20 kW Diesel generators →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power15 kW
Standby kVA15
Oil capacity5.4 L
AlternatorMarathon 333CSA3024 (Class H insulation)
Voltage options120/240 V
Phasesingle
Rated current125 (63) A
Power factor1 (1Ø)
Circuit breaker70 A
Battery group24
Battery cranking440 CCA
Battery voltage12V V
Battery quantity1
Coolant capacity11.0 L
Dimensions (L×W×H)4320×2030×1780 mm
Dry weight977 kg
Fuel tank212.0 L
Tank runtime43 hr

Engine

Mitsubishi S4L2-W461ML
Oil capacity5.4 L
Coolant capacity11.0 L
Displacement1.76 L
Aspirationliquid cooled
Rated speed1800 rpm

Maintenance & consumables

for the Mitsubishi S4L2-W461ML
ItemSpecCapacityPart #Interval
Air filterAir filter element1000 hr find
Fuel filterOptional heated fuel filter122621000 hr PartsGeek
Oil filter89436872701000 hr PartsGeek FridayParts $19.99
BeltAlternator belt12141250 hr PartsGeek
Coolant11.6 qt250 hr
Oil5.7 qt50 hr

Compatible filters for the Mitsubishi S4L2-W461ML — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Isuzu 5864014350 Isuzu 8972599390 Mitsubishi MD623028 Mitsubishi 91B6100800 Donaldson P821575

Common questions

What is the power rating of the Mitsubishi MLT 5150?

The Mitsubishi MLT 5150 is rated 15 kW standby (15.0 kVA).

What engine does the Mitsubishi MLT 5150 use?

The Mitsubishi MLT 5150 is powered by the Mitsubishi S4L2-W461ML engine.

What fuel does the Mitsubishi MLT 5150 use?

The Mitsubishi MLT 5150 runs on Diesel.

What is the oil capacity of the Mitsubishi MLT 5150?

The Mitsubishi S4L2-W461ML engine in the Mitsubishi MLT 5150 has an oil capacity of 5.4 liters.

What alternator does the Mitsubishi MLT 5150 use?

The Mitsubishi MLT 5150 uses a Marathon 333CSA3024 alternator. Insulation class H.

What oil filter does the Mitsubishi MLT 5150 use?

The Mitsubishi MLT 5150 uses oil filter part number 8943687270.

What fuel filter does the Mitsubishi MLT 5150 use?

The Mitsubishi MLT 5150 uses fuel filter part number 12262.

What air filter does the Mitsubishi MLT 5150 use?

The Mitsubishi MLT 5150 uses air filter part numbers ISUZU 5864014350, ISUZU 8972599390.

Troubleshooting

1

Symptoms & remedies

SymptomCause
Mast lights off but ballast indicators on control panel are onMast light is too hot. Allow light to cool 10-15 minutes before restarting. Faulty bulb connection. Check that the bulb is tight in the socket.

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

Parts

15
Part #DescriptionQtySystem
00149MAIN BREAKERAir filter PartsGeek FridayParts $18.20
00175Mast Junction Box and Light Connections1Mast light connections PartsGeek
00203GLOW PLUGGlow plug PartsGeek
00230Prestart Checklist1Emergency stop switch PartsGeek
00233GLOW PLUGSpark plug PartsGeek
00243Grease1Grease PartsGeek
00112Component LocationsService part / kit PartsGeek
00124MLT5150MV • MLT5200IV • MLT5200IVCANService part / kit PartsGeek
00159Light Tower Set UpService part / kit PartsGeek
00167Main Control PanelService part / kit PartsGeek
00186Raising the MastService part / kit PartsGeek
00201ENGINE START SWITCHService part / kit PartsGeek
00202Starting the UnitService part / kit PartsGeek
00216Unit ID TagService part / kit PartsGeek
00227VIN TagService 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
Prime100%4.926.81

Available documents