4 Stroke Marine Diesel Engine

400HP 2100RPM Cummins NT855 Inboard 4 Stroke Marine Diesel Engine NTA855-M400

Cummins NTA855-M400 Datasheet:

Engine Model NTA855-M (cummins NTA8855 M400 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 298 [400] @ 1800
Cylinders: 6

Rating Type Continuous

Rated Engine Power kW [HP] 298 [400]

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 Diesel Engine List:

Performance characteristics of N series engine:

Super power:

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