The Generac 3.9DTA is a 3.9 L 4-cylinder turbocharged/aftercooled engine rated at 1800 rpm, producing up to 120 kW. It powers generator sets from Generac, including the SD060 and SD080. It holds 18 L (4.8 gal) of oil and 6.4 L (1.7 gal) of coolant.
Also known as: GENERAC 3.9DTA
| Oil capacity | 18.0 L |
|---|---|
| Coolant capacity | 6.4 L |
| Displacement | 3.9 L |
| Cylinders | 4 |
| Aspiration | turbocharged/aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 120 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | 100 hr | |||
| Oil filter | — | 100 hr | |||
| Battery | — | 100 hr | |||
| Belt | — | 100 hr | |||
| Coolant | 15.9 liters | — | 100 hr | ||
| Oil | 18.0 liters | — | 100 hr | ||
| Spark plug | — | 100 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Generac 3.9DTA engine has an oil capacity of 18.0 liters.
The Generac 3.9DTA has a displacement of 3.9 liters with 4 cylinders.
The Generac 3.9DTA powers 2 generator set(s), including Generac SD060, Generac SD080.
The Generac 3.9DTA oil change interval is every 100 hours.