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Mitsubishi S6R-PTAR Engine

The Mitsubishi S6R-PTAR is a 24.51 L 6-cylinder turbocharged with air cooler engine rated at 1500 rpm, producing up to 601 kW. It powers generator sets from Mitsubishi, including the S5F MGS0700R. It holds 376 L (99.3 gal) of coolant.

Also known as: Mitsubishi S6R-PTAR

Part of the Mitsubishi S6R engine family — 14 variants share parts & fitment.

24.51 L
Displacement
6
Cylinders
1500 rpm
Rated speed
601 kW
Gross power

Engine specifications

Coolant capacity376.0 L
Displacement24.51 L
Cylinders6
Aspirationturbocharged with air cooler
Rated speed1500 rpm
Gross power601 kW

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filter—
Battery—
Belt—
Coolant50.0 L—
Oil100.0 L—
Spark plug—

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Parts cataloged across the Mitsubishi S6R family

28
Part #DescriptionCategory
300100Air filter (direct-air starting)Air filter
301214Use rust inhibitor in the cooling systemCoolant filter
M.580S6R PTAEngine
301156© Fuel injection pumpFuel pump
37594-01300ThreeBond 1211 liquid gasketGasket
GM15554Gasket, cylinder headGasket
37561-37700Injection pipeHose
37560-05000Nozzle assemblyInjector
300084Check to be sure linkage moves smoothly without anyOil pan
30 40 50 60LLC concentration, %Service part / kit
300010SAFETY — IT’S UP TO YOUService part / kit
300016MAINTENANCE INSTRUCTIONSService part / kit
300018OPERATION INSTRUCTIONSService part / kit
301217Oiler (air-motor starting) — Check oil levelService part / kit
500008| During operation |Service part / kit
500227AX Do not smoke while handling highly flamService part / kit
99410-12100Mitsubishi S6R- S6R2 diesel engineService part / kit
Below1.22DischargedService part / kit
SCR25Mitsubishi SCR systemService part / kit
GM14503O-ringSeal
GM14529Washer, sealingSeal
GM14626SealSeal
GM15202O-ringSeal
GM15526O-ringSeal
GM15612PackingSeal
GM15617O-ring, rocker coverSeal
32522-04100Thermo Label 75°C to 95°C (167°F to 203°F)Thermostat
35559.04200Thermo LabelThermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the displacement of the Mitsubishi S6R-PTAR?

The Mitsubishi S6R-PTAR has a displacement of 24.51 liters with 6 cylinders.

Which generators use the Mitsubishi S6R-PTAR engine?

The Mitsubishi S6R-PTAR powers 1 generator set(s), including Mitsubishi S5F MGS0700R.