The Generac 6.8L is a 6.8 L 10-cylinder naturally aspirated engine rated at 1800 rpm. It powers generator sets from Generac, including the SG050 and SG060. It holds 5.7 L (1.5 gal) of oil and 23.9 L (6.3 gal) of coolant.
Also known as: Generac 6.8L
Part of the Generac 6.8L engine family — 3 variants share parts & fitment.
| Oil capacity | 5.7 L |
|---|---|
| Coolant capacity | 23.9 L |
| Displacement | 6.8 L |
| Cylinders | 10 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Generator set | Inspect | 100 hr | 12 mo | First service — Level 4 mid-level inspection; annually or following each 100 hours of operation; approx. 5.0 man-hours; authorized Generac Service Dealer only; add 20% to all times for 8 cylinder or larger engines |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | Half low silicate, ethylene glycol base antifreeze and half soft water (50-50) | 17.0 L | Cooling System SG035/045/075 = 17 L (4.5 U.S. gals.); do not use chromate base rust inhibitor or high silicate antifreeze boosters | ||
| Engine oil | SAE 10W or 15W-40 | For Service CC, SD, SE or SF | below 0°C | 4.25 L | Below 32 F (0 C) |
| Engine oil | SAE 20W-20 or 15W-40 | For Service CC, SD, SE or SF | -1°C to 27°C | 4.25 L | 30 to 80 F (-1 to 27 C) |
| Engine oil | SAE 30W or 15W-40 | For Service CC, SD, SE or SF | above 27°C | 4.25 L | Above 80 F (27 C) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Generac 6.8L engine has an oil capacity of 5.7 liters.
The Generac 6.8L has a displacement of 6.8 liters with 10 cylinders.
The Generac 6.8L powers 2 generator set(s), including Generac SG050, Generac SG060.