Cat® C9 ACERT Diesel Marine Propulsion Engine, with ratings of 510-575 mhp (503-567 bhp) at 2500 rpm, meets IMO II emission standards.
| Power Range | 503-567 bhp (375-423 bkW) 503-567 bhp (375-423 bkW) |
| Speed Range | 2500 rpm 2500 rpm |
| Emissions | IMO II IMO II |
| Aspiration | TA TA |
| Bore | 4.41 in 112.0 mm |
| Stroke | 5.87 in 149.0 mm |
| Displacement | 538.0 in³ 8.8 l |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Configuration | In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel |
| Length | 47.2 in 1198.0 mm |
| Width - Engine | 38.3 in 974.0 mm |
| Approximate Engine Dry Weight | 2086.0 lb 946.0 kg |
| Height | 38.7 in 983.0 mm |
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