HomeSimson-MaxwellSimson-Maxwell SMW1250

Simson-Maxwell SMW1250 Generator Set

The Simson-Maxwell SMW1250 is a 1353 kW Diesel standby generator set powered by a Mitsubishi S12R-Y1PTA-2 engine. It is available at 120/240 V, 277/480 V, 347/600 V and 208/480 V, 3-phase and 60 Hz. It holds about 180 L (47.6 gal) of oil and 299 L (79.0 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 2 group-8 batteries at 24 V. The same S12R-Y1PTA-2 engine also powers generator sets from Kohler.

1353 kW
Standby
49.0 L
Displacement
180.0 L
Oil capacity
1
Document types

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1353 kW
Prime power1225 kW
Oil capacity180.0 L
AlternatorStamford/AvK PI734 (Class H insulation)
Voltage options120/240 V, 277/480 V, 347/600 V, 208/480 V
Phase3
Power factor0.8
Battery group8D
Battery voltage24 V
Battery quantity2
Coolant capacity299.0 L
Max ambient40 °C

Engine

Mitsubishi S12R-Y1PTA-2
Oil capacity200.0 L
Coolant capacity322.0 L
Displacement49.0 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Mitsubishi S12R-Y1PTA-2
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant
Coolant filter find
Oil150.0 gal

Common questions

What is the power rating of the Simson-Maxwell SMW1250?

The Simson-Maxwell SMW1250 is rated 1353 kW standby.

What engine does the Simson-Maxwell SMW1250 use?

The Simson-Maxwell SMW1250 is powered by the Mitsubishi S12R-Y1PTA-2 engine.

What fuel does the Simson-Maxwell SMW1250 use?

The Simson-Maxwell SMW1250 runs on Diesel.

What is the oil capacity of the Simson-Maxwell SMW1250?

The Mitsubishi S12R-Y1PTA-2 engine in the Simson-Maxwell SMW1250 has an oil capacity of 200.0 liters.

What alternator does the Simson-Maxwell SMW1250 use?

The Simson-Maxwell SMW1250 uses a Stamford/AvK PI734 alternator. Insulation class H.

Fuel consumption

RatingLoadL/hgal/h
Prime100%319.5
Standby100%345.3

Available documents

Spec sheet — smw1250-t6-t1 (Simson-Maxwell)

Other sets with this engine