NTA855-G3 Generator Engines
| Engine Model | NTA855-G3 |
| Standby Power | 535 HP (399 kW) at 1800 RPM |
| Prime Power | 480 HP (358 kW) at 1800 RPM |
| Compression Ratio | 15.0 : 1 |
| Type | 4 Cycle; 6 Cylinder |
| Fuel System | PT-STC |
| Aspiration | Turbocharged & Aftercooled |
| Emission Standard | Euro II |
| Displacement | 10.8 L |
| Bore * Stroke | 140 mm * 152 mm |
| Packing Size (L * W * H) | 3200 mm * 980 mm * 1760 mm |
General Infomation of CCEC NTA855-G3 Generator Engines
| General Infomation of CCEC NTA855-G3 Generator Engine | |||
| Engine Model | NTA855-G3 | Configuration | D093580DX02 |
| Performance Curve | C – 4495 | CPL No. – Engine Critical Parts List | 1436 |
| Type | 4 – Cycle; In – line; 6 – Cylinder Diesel | Aspiration | Turbocharged & Aftercooled Intercooler |
| Stroke * Bore | 140 mm * 152 mm / 5.5 in * 6.0 in | Displacement | 855 in3 / 14.0 L |
| Compression Ratio | 14.0 : 1 | Prime Power | 480 HP (358 kW) at 1800 RPM |
| Standby Power | 535 HP (399 kW) at 1800 RPM | ||
| Installation Data of CCEC NTA855-G3 Generator Engine | |||
| Wet Weight – Fan to Flywheel Engine | 3018 lb / 1369 kg | Dry Weight – Fan to Flywheel Engine | 2900 lb / 1315 kg |
| Wet Weight – Heat Exchanger Cooled Engine | 3308 lb / 1501 kg | Dry Weight – Heat Exchanger Cooled Engine | 3130 lb / 1420 kg |
| 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 | Moment of Inertia of Rotating Components – with FW 1001 Flywheel | 180.3 lbm.ft2 / 7.60 kg.m2 |
| Maximum Static Loading at Rear Main Bearing | N / A | Center of Gravity Above Crankshaft Centerline | 5.5 in / 140 mm |
Engine Performance Data CCEC NTA855-G3 Generator Engines
| Performance Data of CCEC NTA855-G3 Generator Engine | ||||
| Stanby Power | Prime Power | Stanby Power | ||
| Governed Engine Speed | 1800 RPM | 1800 RPM | Engine Idle Speed | 575 – 675 RPM |
| Gross Engine Power Output | 535 BHP / 399 kW | 480 BHP / 358 kW | Brake Mean Effective Pressure | 275 PSI / 1896 kPa |
| Piston Speed | 1800 ft/min / 9.1 m/s | 1800 ft/min / 9.1 m/s | Friction Horsepower | 47 HP / 35 kW |
| Intake Air Flow | 1150 cfm / 543 liter/s | 1010 cfm / 477 liter/s | Exhaust Gas Temperature | 980 °F / 527 °C |
| Exhaust Gas Flow | 3190 cfm / 1506 liter/s | 2785 cfm / 1315 liter/s | Radiated Heat to Ambient | 3285 BHP / 58 min/kW |
| Heat Rejection to Coolant | 13375 BHP / 235 min/kW | 12000 BHP / 211 min/kW | Heat Rejection to Exhaust | 15420 BHP / 271 min/kW |
| Engine Water Flow at Stated Friction Head External to Engine – 2 psi Friction Head | 130 US gpm / 8.2 liter/s | 130 US gpm / 8.2 liter/s | Engine Water Flow at Stated Friction Head External to Engine – Maximum Friction Head | |
System Technical Data of CCEC NTA855-G3 Generator Engines
| System Technical Data of CCEC NTA855-G3 Generator Engine | ||
| Exhaust System | Maximum Back Pressure | 3 in Hg / 76 mm Hg |
| Air Induction System | Maximum Intake Air Restriction – with Dirty Filter Element | 25 in H2O / 635 mm H2O |
| Maximum Intake Air Restriction – with Normal Duty Air Cleaner and Clean Filter Element | 10 in H2O / 254 mm H2O | |
| Maximum Intake Air Restriction – with Heavy Duty Air Cleaner and Clean Filter Element | 15 in H2O / 381 mm H2O | |
| Cooling System | Coolant Capacity – Engine Only | 5.5 US gal / 20.8 liter |
| Coolant Capacity – with HX 1134 Heat Exchanger | 13.0 US gal / 49.2 liter | |
| Maximum Coolant Friction Head External to Engine – 1800 RPM | 7 PSI / 48 kPa | |
| Maximum Coolant Friction Head External to Engine – 1500 RPM | 6 PSI / 41 kPa | |
| Maximum Static Head of Coolant Above Engine Crank Centerline | 60 ft / 18.3 m | |
| Standard Thermostat (Modulating) Range | 180 – 200 °F / 82 – 93 °C | |
| Minimum Pressure Cap | 10 PSI / 69 kPa | |
| Maximum Top Tank Temperature for Standby / Prime Power | 220 / 212 °F / 104 / 100 °C | |
| Minimum Raw Water Flow @ 90°F to HX 1134 Heat Exchanger | 54 US gpm / 204 liter/min | |
| Maximum Raw Water Inlet Pressure at HX 1134 Heat Exchanger | 50 PSI / 345 kPa | |
| Lubrication System | Oil Pressure @ Idle Speed | 15 PSI / 103 kPa |
| Oil Pressure @ Governed Speed | 35 – 45 PSI / 241 – 310 kPa | |
| Maximum Oil Temperature | 250 °F / 121 °C | |
| Oil Capacity with OP 1396 Oil Pan : High – Low | 9.5 – 7.5 US gal / 36.0 – 28.4 liter | |
| Total System Capacity (Including Combo Filter) | 10.2 US gal / 38.6 liter | |
| Angularity of OP Oil Pan – Front Down | 45 ° | |
| Angularity of OP Oil Pan – Front Up | 45 ° | |
| Angularity of OP Oil Pan – Side to Side | 45 ° | |
| Fuel System | Type Injection System | Direct Injection PT |
| Maximum Restriction at PT Fuel Injection Pump – with Clean Fuel Filter | 4 in Hg / 102 mm Hg | |
| Maximum Restriction at PT Fuel Injection Pump – with Dirty Fuel Filter | 8 in Hg / 203 mm Hg | |
| Maximum Allowable Head on Injector Return Line (Consisting of Friction Head and Static Head) | 6.0 in Hg / 152 mm Hg | |
| Maximum Fuel Flow to Injection Pump | 107 US gph / 405 liter/hr | |
| Electrical System | Cranking Motor (Heavy Duty, Positive Engagement) | 24 V |
| Battery Charging System, Negative Ground | 35 ampere | |
| Maximum Allowable Resistance of Cranking Circuit | 0.002 ohm | |
| Minimum Recommended Battery Capacity – Cold Soak @ 50 °F (10 °C) and Above | 6000 °F CCA | |
| Minimum Recommended Battery Capacity – Cold Soak @ 32 °F to 50 °F (0 °C to 10 °C) | 6400 °F CCA | |
| Minimum Recommended Battery Capacity – Cold Soak @ 0 °F to 32 °F (-18 °C to 0 °C) | 9000 °F CCA | |
NTA855-G3 Generator Engines Product Advantages
Durable and Rugged
The cylinder block and cylinder head feature high-strength integrated design, reducing failure rates and ensuring long-lasting durability. Renowned for exceptional reputation.
High Reliability
Equipped with Cummins’ advanced PT fuel system, offering unique overspeed protection and low-pressure fuel supply. Minimal piping reduces failure rates. Derived from superior overall design, delivering outstanding reliability.
Superior Performance
- High-efficiency Cummins exhaust turbocharger ensures optimal air intake, enhancing engine efficiency.
- Pressure pulse exhaust manifold fully utilizes exhaust energy, further improving combustion and increasing low-load efficiency while reducing specific fuel consumption.
- High torque output, powerful performance, fast transient response, and exceptional torque reserve.
Easy Maintenance
Six-cylinder single-head integrated design with modularized structure ensures compactness. Components are detachable and highly reusable.
