Engine Model: | NTAA855-G7 |
Engine Type: | 6-Cylinder, In-line, 4-Cycle |
Displacement: | 14 L |
Rated Speed: | 1500 RPM |
Rated Power / Speed: | 343 kW @ 1500 RPM |
Aspiration Method: | Turbocharged & Air – Air Intercooler |
Emission Standard: | N/A |
Bore*Stroke: | 140 mm * 152 mm |
Packing Size(L*W*H): | 1534 mm * 781 mm * 1355 mm |
Dry Weight: | 1270 kg |
Lead Time: | 15-30 Working Days |
Payment Terms: | T/T, L/C |
Introduction
Chongqing Cummins Engine Co., Ltd. (CCEC) NTAA855-G7 (1500 RPM) Generator Drive Engine is 6-cylinder inline, 14 liters four-strokes engine with 140 mm (5.5 in) bore and 152 mm (6.0 in) stroke.
NTAA855-G7 Generator Drive Engine equipped with PT Fuel System, comes with turbocharger and Air-Air intercooled. The maximum power for 50HZ generator set (1500 RPM) of CCEC NTAA855-G7 generator drive engine is 505 HP (377 kW)undefined and the maximum torque of the engine at 1500 RPM in this mode is 2400 N.m (1770 lb.ft). The Prime power for 50HZ generator set (1500 RPM) of CCEC NTAA855-G7 generator drive engine is 460 HP (343 kW)undefined and the maximum torque of the engine at 1500 RPM in this mode is 2184 N.m (1611 lb.ft).
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Advantages of NTAA855-G7 Generator Drive Engine
- High-Quality Components for Efficiency and Durability – Benefit from superior engine performance with high-quality alloy cast iron, offering enhanced rigidity, reduced vibration, and noise. Wet and replaceable cylinder liners improve heat rejection and facilitate easy replacement, ensuring optimal engine function.
- Precision Engineering for Fuel Efficiency and Reliability – Experience optimized fuel consumption and emission performance with 4 valves per cylinder and a meticulously designed engine structure. Quality alloy cast iron, a single cylinder head, a dedicated camshaft, and a robust outline contribute to improved reliability and durability.
- Innovative Fuel Injection for Enhanced Performance – Explore precise fuel injection with CMS unique PT and Step Timing control, achieving a pressure above 120Mpa. This results in outstanding fuel efficiency and emission performance, further enhanced by a check valve in the fuel tube for increased reliability.
- Efficient Cooling and Clean Coolant – Ensure efficient cooling through a gear water pump and well-designed flux channels. The spin-in water filter maintains coolant cleanliness, preserving normal acidity levels and contributing to prolonged engine life.
- Advanced Turbocharging for Optimal Results – Experience advanced Holset turbocharging and after-cooled technology, complemented by a pulse exhaust manifold for reduced exhaust temperature. This combination ensures excellent fuel consumption and emission performance, delivering an optimized engine experience.
Engine Model: | Prime Power | Aspiration | Curve & Datasheet | Compression Ratio | Fuel System |
NT855-G | 275 HP (205 kW) at 1500 RPM | Turbocharged | D092473DX02 | 15.0 : 1 | PT |
NT855-GA | 310 HP (231 kW) at 1500 RPM | Turbocharged | D092473DX02 | 15.0 : 1 | PT |
NTA855-G1-A | 322 HP (240 kW) at 1500 RPM | Turbocharged & Aftercooled Intercooler | D092473DX02 | 14.5 : 1 | PT |
NTA855-G1-B | 386 HP (287 kW) at 1800 RPM | Turbocharged & Aftercooled Intercooler | D092473DX02 | 14.5 : 1 | PT |
NTA855-G1A | 350 HP (264 kW) at 1500 RPM | Turbocharged & Aftercooled Intercooler | D093517DX02 | 14.5 : 1 | PT |
NTA855-G1B | 380 HP (284 kW) at 1500 RPM | Turbocharged & Aftercooled Intercooler | D093517DX02 | 14.0 : 1 | PT |
NTA855-G2-A | 380 HP (284 kW) at 1500 RPM | Turbocharged & Aftercooled Intercooler | D093517DX02 | 14.0 : 1 | PT |
NTA855-G2-B | 420 HP (313 kW) at 1800 RPM | Turbocharged & Aftercooled Intercooler | D093517DX02 | 14.0 : 1 | PT |
NTA855-G2A | 415 HP (310 kW) at 1500 RPM | Turbocharged & Aftercooled Intercooler | D093517DX02 | 14.0 : 1 | PT |
NTA855-G3 | 480 HP (358 kW) at 1800 RPM | Turbocharged & Aftercooled Intercooler | D093580DX02 | 14.0 : 1 | PT |
NTA855-G4 | 425 HP (317 kW) at 1500 RPM | Turbocharged & Aftercooled Intercooler | D093613DX02 | 14.0 : 1 | PT |
NTAA855-G7 | 460 HP (343 kW) at 1500 RPM | Turbocharged & Air – Air Intercooler | D093629DX02 | 14.0 : 1 | PT |
NTAA855-G7A | 545HP (407 KW) at 1500 PRM | Turbocharged & Air – Air Intercooler | D093629DX02 | 14.0 : 1 | PT |
General Infomation of CCEC NTAA855-G7 Generator Drive Engine | |
Engine Model | NTAA855-G7 |
Performance Curve | C-164E |
Type | 6-Cylinder, In-line, 4-Cycle |
Stroke * Bore | 140 mm * 152 mm / 5.5 in * 6 in |
Compression Ratio | 14.0 : 1 |
Standby Power | 505 HP (377 kW) at 1500 RPM |
Prime Power | 460 HP (343 kW) at 1500 RPM |
Configuration | D093629DX02 |
CPL No. | CQ122 |
Aspiration | Turbocharged & Air – Air Intercooler |
Displacement | 855 in³ / 14 L |
Firing Order | 1-5-3-6-2-4 |
Idle Speed | N/A |
Wet Weight – Engine Only | 2910 lb / 1320 kg |
Dry Weight – Engine Only | 2800 lb / 1270 kg |
Wet Weight – Heat Exchanger Cooled Engine | N/A |
Dry Weight – Heat Exchanger Cooled Engine | N/A |
Moment of Inertia of Rotating Components – with FW 1109 Flywheel | 118.5 lbm.ft² / 4.99 kg.m² |
Maximum Bending Moment at Rear Face of Block | 1000 lb.ft / 1356 N.m |
Center of Gravity from Rear Face of Flywheel Housing | 27.7 in / 704 mm |
Center of Gravity Above Crankshaft Centerline | 5.5 in / 140 mm |
Reference Installation Drawing – Heat Exchanger Cooled Engine | N/A |
Reference Installation Drawing – Fan to Flywheel Engine | N/A |
Maximum Over Speed Capability | 2700 RPM |
Maximum No – Load Governed Speed | 1800 RPM |
Minimum Torque for unaided Cold Start | 375 lb.ft. / 509 N.m |
Minimum Crankshaft Rotation for Unaided Cold Start | 150 RPM |
Exhaust Sound Pressure at 1m from Exhaust Outlet | N/A |
Scopes of Supply of CCEC NTAA855-G7 Generator Drive Engine | |
Fuel System | Fuel Transfer Pump |
High-Pressure Fuel Pump | |
Fuel Filter | |
Exhaust System | Exhaust Manifold |
Turbocharger | |
Exhaust Elbow | |
Air Intake System | Air Intake Manifold |
Water-air Intercooler | |
Standard Air Filter | |
Starting System | Starter Motor |
Starter Rely | |
Cooling System | Water Pump |
Engine Fan | |
Standard Radiator | |
Power Output System | Flywheel |
Standard Flywheel Housing | |
Lubricating System | Oil Pump |
Oil Filter | |
Charging System | Charging Alternator |
Engine Shut-Down System | Engine Fuel Shut-Off Solenoid |
Optional Accessories of CCEC NTAA855-G7 Generator Drive Engine | |
Air Intake System | Air Intake Pre-Heater |
Air Intake Shut-Off Valve | |
Heavy-Duty Air Filter | |
Plateau Type Air Filter | |
Exhaust System | Muffler & Bellows |
Spark Arrestor Type Muffler & Bellows | |
Dpf System | |
Fuel System | Coarse Filter |
Fuel Pre-Heater | |
Lubricating System | Oil Pre-Heater |
Starting System | Manual Magnetic Dc Contactor |
Dual Ears Flywheel Housing | |
Spring Starter Motor | |
Air Starter Motor | |
Hydraulic Starter Motor | |
Cooling System | Silent Type Radiator |
Plateau Radiator | |
Salt-Spray Resistant Radiator | |
Coolant Pre-Heater | |
Jacket Water Heater |
Modifiable Components of CCEC NTAA855-G7 Generator Drive Engine | |
Air Intake System | Installation Position of Air Filter |
Upgrade to Heavy-Duty Type Air Filter | |
Charging System | 12V Charging Alternator for 12v Electric System |
Explosion-Proof Charging Alternator | |
Exhaust System | Water-Cooled Exhaust Manifold |
Water-Cooled Turbocharger | |
Modify Option for Installation Position and Direction of Turbocharger | |
Lubricating System | Oil Pan Position |
Number of Dipstick | |
Position of Dipstick | |
Engine Shut-Down System | 12V Solenoid for 12V Electric System |
Explosion-Proof Solenoid | |
Starting System | 12V Starter Motor for 12V Electric System |
Fuel System | Upgrade to Fuel Filter that Integrated with Fuel Transfer Pump |
Power Output System | Modify Option for Size of Flywheel Housing and Flywheel |
Dual-Ear Flywheel Housing (For Twin-Starter System) |
***Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.