Cummins 5.9L 12V specs: 4.016 x 4.724 in (102 x 120 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 359 ci |
|---|---|
| Cylinders | 6 |
| Bore | 4.016" |
| Stroke | 4.724" |
| Compression | 17.0:1 |
| Advertised power | 160–175 hp |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 6BT | 359 ci | 4.0157" × 4.7244" | 17:1 | 160–175 |
This family is represented by a single engine in the database: 359 ci, 6 cylinders, a 4.0157" × 4.7244" bore and stroke.
All are undersquare — stroke larger than bore, favouring torque low in the range.
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.