HomeEnginesCummins/Onan 6CTA8.3-M (JW)

Cummins/Onan 6CTA8.3-M (JW) Engine Engine

The Cummins/Onan 6CTA8.3-M (JW) is a 8.3 L 6-cylinder turbocharged/jacket water aftercooled engine rated at 2100 rpm, producing up to 186 kW. It powers generator sets from Cummins/Onan, including the 6CTA8.3.

Also known as: CUMMINS 6CTA8.3-M (JW)

Part of the Cummins/Onan 6CTA8.3 engine family — 10 variants share parts & fitment.

8.3 L
Displacement
6
Cylinders
2100 rpm
Rated speed
186 kW
Gross power

Engine specifications

Displacement8.3 L
Cylinders6
AspirationTurbocharged/Jacket Water Aftercooled
Rated speed2100 rpm
Gross power186 kW

Generator sets powered by this engine

1

Parts cataloged across the Cummins/Onan 6CTA8.3 family

30
Part #DescriptionCategory
140-2241Element, Air Cleaner - Standard (Outer)air_filter
140-2252Element, Air Cleaner - Heavy Duty (Inner)air_filter
309-0272Air Cleaner - Heavy Duty (10" Inlet Tube)air_filter
3911560Belt, Drive - Alternatorbelt
3911571Belt, Drive - Fan & Altr (6CTA Engine)belt
130-3536Filter, Water - Servicecoolant_filter
130-3539Filter, Water - Pre-Chargingcoolant_filter
149-2250Filter, Fuel - Primaryfuel_filter
149-2251Filter, Fuel - Secondaryfuel_filter
102-1147Gasket, Drain - Oil Pangasket
503-1195Hose (3/4"ID x 24"LG)hose
503-1379-01Hose, Radiatorhose
503-1595Hosehose
503-1599Hose, Radiatorhose
122-0756Element - Oil Filteroil_filter
309-0561Switch, Low Oil Pressureoil_filter
501-0441Line, Fuel - Flex (Fuel In)other_service
501-0480Line, Fuel - Flex (Fuel Out)other_service
509-0266-02O-Ringseal
150-0956COVER, FLYWHEEL GUARDsensor
150-2201Sensor, Speed – Magneticsensor
193-0244Sender, Oil Pressure (E1)sensor
193-0322Sender, Level - Coolantsensor
193-0353Sender, Temperature - Oilsensor
193-0375# Sender, Water Temperaturesensor
309-0269Air Cleaner (Includes Element) - Standardsensor
309-0553Switch, Temperature - Low Engine Coolant (S4)sensor
309-0554Switch, Oil Pressure - 20 PSI (S5 Pre-Alarm)sensor
309-0555Switch, Thermostaticsensor
309-0128Thermostat - Adjustablethermostat

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 Cummins/Onan 6CTA8.3-M (JW)?

The Cummins/Onan 6CTA8.3-M (JW) has a displacement of 8.3 liters with 6 cylinders.

Which generators use the Cummins/Onan 6CTA8.3-M (JW) engine?

The Cummins/Onan 6CTA8.3-M (JW) powers 1 generator set(s), including Cummins/Onan 6CTA8.3.