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CCEC NTA855-M450
CCEC NTA855-M450, Original from Chongqing Cummins manufacture(CCEC). CCEC NTA855-M450 is high-performance marine diesel engine featuring excellent reliability, durability, and fuel efficiency. Widely used in commercial vessels, fishing boats, and offshore workboats, the marine engine is equipped with heat exchanger with sea water pump and has marine certificated of CCS and BV. We can equip the Advance marine gearbox units to the complete power unit.
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- ENGINE DATA
- NTA855-M ENGINE SERIES
- NTA855-M ENGINE PART
CCEC NTA-M450 Engine Specifications
| Model | Inline/Six-cylinder/Four-stroke/Four-valve |
|---|---|
| Bore × Stroke (mm) | 140 × 152 mm |
| Displacement (L) | 14 L |
| Air Intake | Turbocharged with intercooler |
| Maximum Power | 450 HP (336 kW) |
| Fuel System | PT Fuel System |
| Emission Standard | IMO Tier II |
| Dry Weight | 1280 kg |
| Dimensions (L × W × H mm) | 1534 × 781 × 1355 mm |
CCEC NTA855-M450 Engine Advantages
Durability
The engine block and cylinder head are designed with high-strength integrated construction to reduce failure rates, ensure long-term durability, and maintain an excellent reputation for reliability.
Superior Performance
Equipped with an advanced PT fuel system, the engine provides high injection pressure, unique overspeed protection, low oil supply, minimal piping, and low failure rates. This ensures optimal fuel atomization, complete combustion, and efficient energy utilization. Additionally, the STC oil timing control valve allows precise fuel adjustment to reduce smoke at low loads.
Exhaust System
The Chongqing Cummins marine engine exhaust system is designed for efficiency, featuring a wet turbocharger and water-cooled exhaust pipes to reduce engine surface temperature and meet SOLAS safety regulations.
Maintenance Convenience
The modular design integrates components for compact structure, easy disassembly, and high reusability. Standardized platform design increases parts interchangeability.
Emission Compliance
Complies with IMO Tier II emission regulations. The marine-specific turbocharger and intercooler, optimized for low-temperature operation, ensure efficient engine performance, reduced fuel consumption, lower emissions, and enhanced reliability.
Marine Classification Certification
Certified by multiple national marine classification societies, including CCS and BV.
CCEC NTA855-M450 Marine Engine
| General Data of CCEC NTA855-M450 Engine for Marine Propulsion | |
| Engine Model | CCEC NTA855-M450 |
| Type | 6 cylinder in line, 4 Stroke Diesel |
| Displacement | 14 L |
| Bore&Stroke | 140×152 mm |
| Application | Marine Propulsion |
| Overall Dimension(L*W*H) | 1535*790*1355 mm |
| Weight | 1280 KG |
| Technical Data of CCEC NTA855-M450 Engine for Marine Propulsion | |
| Aspiration | Turbocharged/Aftercooled |
| Fuel System | Cummins PT Pump, Direct Injection |
| Compression Radio | 14.5:1 |
| Lowest Starting Temp (Without auxiliary system) | minus 12℃ |
| Cooling method | Heat exchanger with sea water pump cooling |
| Starting System | Electrical Start (24V/100AMP) |
| Sea Water Pump Specifications | MAB 0.08.17-07/16/2001 |
| Performance Date of CCEC NTA855-M450 Engine for Marine Propulsion | |
| Rated Output | 336KW/450HP/1800RPM |
| Peak Engine Torque @ 1500 rpm | N.A |
| Rated Speed-RPM | 1800 |
| Minimum Idle Speed Setting | 575-650 rpm |
| High Idle Speed (1800) | 1962-2106 rpm |
| Fuel Consumption at Rated Speed | 83 [l/hr] |
| Engine Model | Engine Rated Output | Aspiration | Cooling System | Suggest Marine Gearbox Model |
| NTA855-M400 | 110KW/147HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NT855-M200 | 149KW/200HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NT855-M220 | 164KW/220HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NT855-M240 | 179KW/240HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NT855-M250 | 187KW/250HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NT855-M270 | 201KW/270HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NT855-M300 | 224KW/300HP/1800RPM | Turbocharger | Sea water pump with heat exchanger | Advance 300 |
| NTA855-M350 | 261KW/350HP/1800RPM | Turbocharged/Aftercooled | Sea water pump with heat exchanger | Advance 300 |
| NTA855-M400(1800RPM) | 298KW/400HP/1800RPM | Turbocharged/Aftercooled | Sea water pump with heat exchanger | Advance 300 |
| NTA855-M400(2100RPM) | 298KW/400HP/2100RPM | Turbocharged/Aftercooled | Sea water pump with heat exchanger | Advance 300 |
| NTA855-M450 | 336KW/450HP/1800RPM | Turbocharged/Aftercooled | Sea water pump with heat exchanger | Advance 300 |
| CCEC NTA855-M450 Engine Maintenance Parts List | |||
| Item No. | Part No. | Part Name | Qty |
| 1 | 4915302-10 | UPPER ENGINE GASKET SET | 1 |
| 2 | 4915303-10 | LOWER ENGINE GASKET SET | 1 |
| 3 | 3801826-10 | CYLINDER LINER KIT 3055099 | 6 |
| 4 | 191970-20 | Piston Pin | 6 |
| 5 | 3017348-20 | PISTON | 6 |
| 6 | 3017349-20 | PISTON | 6 |
| 7 | 3048808-20 | PISTON | 6 |
| 8 | 4913782-20 | PISTON | 6 |
| 9 | 4914563-10 | PISTON KIT(3017348 PISTON、PIN、CLAMP) | 6 |
| 10 | 4914564-10 | PISTON KIT(3017349 PISTON、PIN、CLAMP) | 6 |
| 11 | 4914565-10 | PISTON KIT(3408808 PISTON、PIN、CLAMP) | 6 |
| 12 | 4914566-10 | PISTON KIT(4913782 PISTON、PIN、CLAMP) | 6 |
| 13 | 175755-20 | Piston retainer ring | 12 |
| 14 | 4089811-10 | Piston Ring Set | 6 |
| 15 | 4089810-10 | Piston Ring Set | 6 |
| 16 | 3013591-20 | piston cooling nozzle | 6 |
| 17 | 214950-20 | con rod bearing | 12 |
| 18 | 3801260-20 | main bearing | 1 |
| 19 | 3803512 | intake valve kit | 12 |
| 20 | 3803519 | exhaust valve kit | 12 |
| 21 | 127930 | valve insert | 24 |
| 22 | 3006456 | valve guide | 24 |
| 23 | 3046420 | valve push rod | 12 |
| 24 | 3046430 | push rod | 6 |
| 25 | 217638-20 | water pump belt | 1 |
| 26 | 3040303-20 | alternator belt | 1 |
| 27 | 3040386-20 | fan belt | 1 |
| 28 | 178708 | fan belt | 1 |
| 29 | 3040384 | fan belt | 1 |
| 30 | 5284083 | starter motor | 1 |
| 31 | 3016627 | alternator | 1 |
| 32 | 3051408 | water pump | 1 |
| 33 | 3609833-20 | oil pump | 1 |
| 34 | 3050692 | magnetic switch | 1 |
| 35 | 178957 | restriction indicator | 1 |
| 36 | 3034572-20 | speed sensor | 1 |
| 37 | 3076489-20 | thermostat 82℃ | 1 |
| 38 | 135675-20 | thermostat 76℃ | 1 |
| 39 | 186780-20 | thermostat seal | 1 |
| 40 | 3608833-20 | crankshaft | 1 |
| 41 | 187420-20 | con rod busihng | 6 |
| 42 | 3013930-20 | con rod | 6 |
| 43 | 3042568-20 | camshaft NTA855-G1 | 1 |
| 44 | 3025517-20 | camshaft NTA855-G2 | 1 |
| 45 | 3021600 | offset woodruff key NTA855-G1 | 1 |
| 46 | 3022353-20 | offset woodruff key NTA855-G2 | 1 |
| 47 | 215233-20 | thrust bearing | 1 |
| 48 | 3035195 | camshaft gear | 1 |
| 49 | 4061141-20 | valve crosshead | 12 |
| 50 | S 212-20 | N、K regular hexagon nut | 12 |
| 51 | 168306-20 | N、K slotted set screw | 12 |
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