Inboard Ship 6 Cylinder Diesel Engine Motor 450HP 1800RPM N855 Series

Cummins NTA855-M450 Datasheet:

Engine Model NTA855-M (cummins NTA8855 M450 marine engine)

Displacement: 14.0 litre [855 in.3] Aspiration: Turbocharged/Aftercooled
Bore: 139 mm [5.50 in.]
Stroke: 152 mm [6.00 In.]

Fuel System: PT Advertised Power 336 [450] @ 1800
Cylinders: 6

Rating Type Continuous

Rated Engine Power kW [HP] 336 [450]

Rated Engine Speed RPM 1800

High Idle Speed Range RPM 1962 - 2106

Idle Speed Range RPM 575 - 675

Engine Torque N•m [ft lb] 1384 [1021]

Brake Mean Effective Pressure kPa [PSI] 1241 [180]

Compression Ratio 14.5:1

Piston Speed m sec [ft min.] 9.1 [1800]

Maximum Torque Capacity from Front of Crank**

Firing Order 1-5-3-6-2-4

Fuel System

Fuel Consumption litre hr [GPH] 66.4 [17.6]

Approximate Fuel Flow to Pump litre hr [GPH] 211 [56]

Fuel Rail Pressure Range kPa [PSI] 1116 [162]

Weight (Dry)

Engine Only kg [lb] 1303 [2870]

With Heat Exchanger Cooling System kg [lb] +127 [280]

Air System*

Intake Manifold Pressure mm Hg [in. Hg] 940 [37]

Intake Air Flow litre sec [CFM] 380 [800]

Heat Rejection to Ambient kW [BTU min.] 33 [1900]

Minimum Ambient Temperature for Cold Start (No Aids) °C [°F] 0 [32]

Exhaust System

Exhaust Gas Flow (after turbine) litre sec [CFM] 880 [1850]

Exhaust Gas Temperature (after turbine) °C [°F] 427 [800]

Cooling System

Heat Rejection to Engine Coolant kW [BTU min.] 220 [12,500]

Engine Water Flow litre min. [GPM] 427 [113]

Raw Water Flow litre min. [GPM] 234 [62]

Pressure Cap Rating w Heat Exchanger kPa [PSI] 103 [15]

Cummins Marine Engine List:

Performance characteristics of N series engine:

1. Super power:

Power coverage 185-545 horsepower, maximum torque of 1763 nm.

2. Low speed torque, fast start, strong climbing ability.

3. The engine weight is 1250KG, big power to weight ratio.

4. Low fuel consumption and good economy:

5. Cummins patented technology of PT fuel system, high injection pressure, to ensure good atomization of the engine and full combustion.

Our Service:

1. 100% finished products inspection before shipment. Beside customer’s QC, we can help to do inspection and offer report.

2. We can palletize, make fumigation, supervise over loading,take loading photos for you.

3. Offer CO, Form A, Form E, Form F and certificate legalized by concerned embassy

4. One Year warranty for After-service.