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Koel 4R810NA Engine

The Koel 4R810NA is a 3.2 L 4-cylinder naturally aspirated engine rated at 1800 rpm, producing up to 22.3 kW. It powers generator sets from Wildcat, including the Roughneck Diesel 20KW and Roughneck Diesel 30KW. It holds 11.5 L (3.0 gal) of oil.

Also known as: KOEL 4R810NA

3.2 L
Displacement
4
Cylinders
1800 rpm
Rated speed
22 kW
Gross power

Engine specifications

Oil capacity11.5 L
Displacement3.2 L
Cylinders4
Aspirationnaturally aspirated
Rated speed1800 rpm
Gross power22 kW

Maintenance schedule

ItemSpecCapacityPart #Interval
Fuel filter0.6 liter single bowl spin-on
Oil filterSpin-on filter

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

Service specifications

2
TypeItemValueUnitCondition
TemperatureExhaust temperature at rated load1202Fat rated load
TemperatureExhaust temperature at rated load650Cat rated load

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelUltra-low sulphur dieselUltra-low sulphur diesel required

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the oil capacity of the Koel 4R810NA?

The Koel 4R810NA engine has an oil capacity of 11.5 liters.

What is the displacement of the Koel 4R810NA?

The Koel 4R810NA has a displacement of 3.2 liters with 4 cylinders.

Which generators use the Koel 4R810NA engine?

The Koel 4R810NA powers 2 generator set(s), including Wildcat Roughneck Diesel 20KW, Wildcat Roughneck Diesel 30KW.