The Yanmar 6BY3-220 is a 2.99 L 6-cylinder turbocharger + charge-air cooler engine. It powers generator sets from Yanmar, including the 6BY3-260.
Also known as: Yanmar 6BY3-220
Part of the Yanmar 6BY3 engine family — 3 variants share parts & fitment.
| Displacement | 2.993 L |
|---|---|
| Cylinders | 6 |
| Aspiration | Turbocharger + charge-air cooler |
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Clearance | Area covered by gimbal housing assembly flatness | 1.6 | mm | |
| Clearance | Area covered by inner transom plate flatness | 3.2 | mm | |
| Clearance | Inner and outer transom surface parallelism | 3 | mm | in area covered by transom plates |
| Other | Transom angle | 13 to 16 | degrees | |
| Speed | Low Idle rpm | 650 - 950 | rpm | adjustable |
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 |
|---|---|---|---|---|---|
| Fuel | ISO 8665: 2006 | 0.84 g/cm3 | Fuel density at 15°C = 0.84 g/cm3; fuel temperature 40°C at the inlet of the fuel injection pump | ||
| Gear oil | Mercury High Performance Gearlube | For Mercruiser Bravo 1 Sterndrive | |||
| Gear oil | API GL5 SAE #80W90 or QuickSilver High Performance Gearlube | For ZT370 Sterndrive | |||
| Gear oil | Mercury High Performance Gearlube | For Mercruiser Bravo 1 Sterndrive | |||
| Gear oil | SAE grade #30 | API class: CF or higher | Lub oil specifications for KMH50A, KMH50V, KMH51A marine gears | ||
| Gear oil | SAE grade #80W90 | API class: GL5 | For ZT370 Sterndrive; alternative QuickSilver High Performance Gearlube |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Yanmar 6BY3-220 has a displacement of 2.993 liters with 6 cylinders.
The Yanmar 6BY3-220 powers 1 generator set(s), including Yanmar 6BY3-260.