CCEC KTA50-G12A-B Generator Engines
| Engine Model | KTA50-G12A-B |
| Standby Power | 1657 kW (2220 HP) 1500 RPM |
| Prime Power | 1491 kW (1998 HP) 1500 RPM |
| Compression Ratio | 13.9 : 1 |
| Type | 4 Cycle; 12 Cylinder |
| Fuel System | PT-STC |
| Aspiration | Turbocharged & Aftercooled |
| Emission Standard | Euro II |
| Displacement | 50 L |
| Bore * Stroke | 159 mm * 159 mm |
| Packing Size (L * W * H) | 2794 mm * 1507 mm * 1846 mm |
General Infomation of CCEC KTA50-G12A-B Generator Engines
| General Infomation of CCEC KTA50-G12A-B Generator Engine | |||
| Engine Model | KTA50-G12A-B | Configuration | D283021DX02 |
| Data Sheet | FR – 601 | CPL No. | 0633 |
| Type | 4 – Cycle; 60° Vee; 16 – Cylinder Diesel | Aspiration | Turbocharged & Low Temp. Aftercooled |
| Compression Ratio | 13.9 : 1 | Displacement | 3067 in3 / 50 L |
| Installation Data of CCEC KTA50-G12A-B Generator Engine | |||
| Bore * Stroke | 159 mm * 159 mm / 6.25 in * 6.25 in | Dry Weight – Fan to Flywheel Engine | 11938 lb / 5415 kg |
| Wet Weight – Fan to Flywheel Engine | 12604 lb / 5717 kg | Dry Weight – Heat Exchanger Cooled Engine | N / A |
| Wet Weight – Heat Exchanger Cooled Engine | N / A | Maximum Bending Moment at Rear Face of Block | 4500 lb.ft / 6101 N.m |
| Moment of Inertia of Rotating Components – with FW 6009 Flywheel | 301 lbm.ft2 / 12.7 kg.m2 | Moment of Inertia of Rotating Components – with FW 6017 Flywheel | 515 lbm.ft2 / 21.7 kg.m2 |
| Center of Gravity from Rear Face of Flywheel Housing (FH 6024) | 47.5 in / 1207 mm | Center of Gravity Above Crankshaft Centerline | 11.0 in / 279 mm |
| Maximum Static Loading at Rear Main Bearing | 2000 lb / 907 kg | Steady State Stability Band at any Constant Load | +/- 0.25 |
| Moment of Inertia of Rotating Components (Excluding Flywheel) | N / A | Firing Order | 1- 1 – 3 – 3 – 2 – 2 – 5 – 4 – 8 – 8 – 6 – 6 – 7 – 7 – 4 – 5 |
| Excludes Exhaust Noise; at Rated Load and 7.5 m (24.6 ft); 1800 RPM | 94.6 dBa | Exhaust Noise at 1 m Horizontally from Centerline of Exhaust Pipe Outlet Upwards at 45° | 126 / 125 dBa |
| Minimum Ambient Temperature for Aided (with Coolant Heater) Cold Start within 10 seconds | 50 °F / 10 °C | Minimum Ambient Temperature for Unaided Cold Start | 45 °F / 7 °C |
| Fuel System | PT | Prime Power | 1805 HP (1347 kW) @ 1800 RPM |
| Standby Power | 2120 HP (1582 kW) @ 1800 RPM | Continuous Power | 1640 HP (1224 kW) @ 1800 RPM |
Engine Performance Data CCEC KTA50-G12A-B Generator Engines
| Performance Data of CCEC KTA50-G12A-B Generator Engine | |||||
| Stanby Power | Prime Power | Stanby Power | Prime Power | ||
| Engine Speed | 1800 RPM | 1800 RPM | Engine Idle Speed | 575 – 650 RPM | 575 – 650 RPM |
| Gross Engine Power Output | 2120 HP / 1582 kW | 1805 HP / 1347 kW | Brake Mean Effective Pressure | 304 PSI / 2097 kPa | 259 PSI / 1785 kPa |
| Piston Speed | 1875 ft/min / 9.5 m/s | 1875 ft/min / 9.5 m/s | Friction Horsepower | 225 HP / 168 kW | 225 HP / 168 kW |
| Engine Water Flow at Stated Friction Head External to Engine – 4 psi Friction Head | 536 US gpm / 34 L/s | 536 US gpm / 34 L/s | Engine Water Flow at Stated Friction Head External to Engine – Maximum Friction Head | 500 US gpm / 32 L/s | 500 US gpm / 32 L/s |
| Intake Air Flow | 4670 cfm / 2204 L/s | 4133 cfm / 1951 L/s | Exhaust Gas Temperature | 880 °F / 471 °C | 849 °F / 454 °C |
| Exhaust Gas Flow | 10601 cfm / 5003 L/s | 9382 cfm / 4429 L/s | Air to Fuel Ratio (air : fuel) | 31.7 : 1 | 32.8 : 1 |
| Heat Rejection to Ambient | 7255 BTU/min / 128 kW | 6405 BTU/min / 113 kW | Heat Rejection to Jacket Coolant | 34686 BTU/min / 612 kW | 33043 BTU/min / 583 kW |
| Heat Rejection to Exhaust | 54013 BTU/min / 953 kW | 49762 BTU/min / 878 kW | Heat Rejected to *Fuel | 208 BTU/min / 3.7 kW | 192 BTU/min / 3.4 kW |
| 2 Pump / 2 Loop | |||||
| Aftercooler Water Flow at Stated Friction – 2 psi Friction Head | 159 US gpm / 10 L/s | 159 US gpm / 10 L/s | Aftercooler Water Flow at Stated Friction – Maximum Friction Head | 142 US gpm / 9 L/s | 142 US gpm / 9 L/s |
| Heat Rejected to LTA | 17169 BTU/min / 302 kW | 13246 BTU/min / 233 kW | |||
System Technical Data of CCEC KTA50-G12A-B Generator Engines
| System Technical Data of CCEC KTA50-G12A-B Generator Engine | ||
| Exhaust System | Maximum Allowable Exhaust Back Pressure | 2 in Hg / 6.8 kPa |
| Exhaust Pipe Size Normally Acceptable | 6 in / 152 mm | |
| Air Induction System | Maximum Intake Air Restriction – with Dirty Filter Element | 25 in H2O / 6.23 kPa |
| Maximum Intake Air Restriction – with Clean Filter Element | 15 in H2O / 3.73 kPa | |
| Minimum Allowable Dirt Holding Capacity With Heavy Duty Air Cleaner | 25 gm/CFM / 53 gm•L/s | |
| Cooling System | Coolant Capacity – Engine Only | 37 US gal / 140 liter |
| Minimum Allowable Pressure Cap @ sea level | 14 PSI / 97 kPa | |
| Maximum Static Head of Coolant Above Engine Crank Centerline | 18.3 ft. / 60 m | |
| Jacket Water Circuit Requirements | ||
| Standard Thermostat (modulating) Range | 180 – 200 °F / 82 – 93 °C | |
| Maximum Allowable Top Tank Temperature (Stand_by/Prime) | 220 / 212 °F / 104 / 100 °C | |
| Maximum Coolant Friction Heat External to Engine @1800 RPM | 10 PSI / 68.9 kPa | |
| Low Temperature Aftercooler (LTA) Circuit | ||
| Maximum Coolant Friction Heat External to Engine @ 1800 RPM | 7 PSI / 48.3 kPa | |
| Maximum Coolant Temperature Into the Aftercooler @ 77 °F (25 °C) Ambient | 102 °F / 39 °C | |
| Maximum Coolant Temperature Into the Aftercooler @ Limiting Ambient Conditions – Standby Power / Prime Power | 160/150 °F / 71/66 °C | |
| Thermostat Modulating Range – Low Flow (Aftercooler) | 115 – 135 °F / 46 – 57 °C | |
| Lubrication System | Oil Pressure @ Idle Speed | 20 PSI / 138 kPa |
| Oil Pressure @ Governed Speed | 50 – 70 PSI / 345 – 483 kPa | |
| Oil Flow at Rated Speed | 40 US gpm / 151 liter/min | |
| Maximum Oil Temperature | 250 °F / 121 °C | |
| Oil Pan Capacity (Option OP6024) – High | 40.0 US gal / 151.4 liter | |
| Oil Pan Capacity (Option OP6024) – Low | 32.0 US gal / 121.1 liter | |
| Total System Capacity (Excluding By-Pass Filter) | 46.7 US gal / 176.8 liter | |
| Angularty of Standard Oil Pan (Option OP6024) – Front Down) | 30 ° | |
| Angularty of Standard Oil Pan (Option OP6024) – Front up) | 30 ° | |
| Fuel System | Fuel Injection System | PT |
| Maximum allowable Restriction to PT Fuel Pump – With Clean Fuel Filter | 4 in Hg / 13.55 kPa | |
| Maximum allowable Restriction to PT Fuel Pump – With Dirty Fuel Filter | 8 in Hg / 27.09 kPa | |
| Maximum Fuel Supply at Rated Power and Speed | 165 US gph / 625 litre/hr | |
| Maximum Allowable Injector Return Line Restriction – With Check Valves | 6.5 in Hg / 22 kPa | |
| Maximum Allowable Injector Return Line Restriction – Less Check Valves | 2.5 in Hg / 8.5 kPa | |
| Electrical System | Cranking Motor (Heavy Duty, Positive Engagement) | 24 V |
| Battary Recharge System, Negative ground | 35 A | |
| Maximum Allowable Resistance of Starting Circuit | 0.002 Ω | |
| Minimum Recommended Battary Capacity – Cold Soak at 50 °F(10 ℃) or Above | 1280 0 °F CCA | |
| Minimum Recommended Battary Capacity – Cold Soak at 32 ~ 50 °F(0 ~ 10 ℃) or Above | 1800 0 °F CCA | |
| Minimum Recommended Battary Capacity – Cold Soak at 0 ~ 32 °F(- 18 ~ 0 ℃) or Above | 1800 0 °F CCA | |
CCEC KTA50-G12A-B 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.
