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.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Fuel filter | 0.6 liter single bowl spin-on | | — | | |
| Oil filter | Spin-on filter | | — | | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's 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.