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6BT5.9

Product catalog summary

General Specifications
The 6BT5.9 is a marine auxiliary engine designed for commercial applications. It features an in-line, 6-cylinder, 4-stroke diesel configuration with turbocharging. The engine has a displacement of 5.9 liters and a bore and stroke of 102 x 120 mm. It rotates counterclockwise when facing the flywheel and uses an in-line injection pump fuel system. Dimensions include an overall length of 1020 mm, width of 601 mm, and height of 1201 mm, with a weight of 426 kg.

Power Ratings
The engine offers various power outputs depending on the model and speed. At 1500 RPM, it provides 78 kW (105 MHP) and 91 kW (124 MHP) for prime ratings. At 1800 RPM, it offers 91 kW (124 MHP) and 112 kW (152 MHP). Fuel consumption varies with speed and power output, with emissions not subject to IMO regulation for ratings below 130 kW.

Features and Benefits
The engine design includes a robust block for continuous duty and a single cylinder head with four valves per cylinder. The fuel system features a rotary pump with an optional electronic governor. Cooling options include single loop keel cooling or a heat exchanger. The exhaust system has a water-cooled manifold, and the air system uses a Cummins turbocharger. The lubrication system offers a standard capacity oil pan with flexible installation options. Electronics include a 24V system with a 12V option. Certifications are available from Marine Classification Society and SOLAS compliant configurations.

Optional Equipment
Optional equipment includes engine-mounted and remote instrument panels, remote duplex oil and fuel filters, and power take-off options from the front of the crankshaft.

Catalog excerpts

6BT5.9 Marine Auxiliary Engine for Commercial Applications General Specifications Configuration Bore & Stroke Counterclockwise facing flywheel Fuel System In-line Injection Pump Product Dimensions and Weight Overall Length Overall Width Overall Height Dimensions and weight may vary based on selected engine configuration. Rating Definition Engine Model Output Power Fuel Consumption Rated Speed ISO* L/hr (gal/hr) L/hr (gal/hr) Fixed Speed R atings below 130 kW are not subject to IMO emission regulation. * verage fuel consumption based on ISO 8178 E3 Standard Test Cycle (variable speed models) and ISO 8178 D2 Standard Test Cycle (fixed speed models) A

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6BT5.9 Marine Auxiliary Engines for Commercial Applications Features and Benefits Engine Design – Robust engine block designed for continuous duty operation and long life. Single Lubrication System – Standard capacity (14.2 L [3.8 g]) oil pan available with rear, front or center sump for installation flexibility. Spin on Cummins lube filters cylinder head with four valves per cylinder enhances Electronics – 24v standard electrical system with Fuel System – Rotary fuel pump with optional Certifications – Marine Classification Society electronic governor for precise fueling and engine approvals...

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6BT5.9

6BT5.9

Catalog excerpts

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