CCEC KTA50-G12-B Generator Engines
| Engine Model | KTA50-G12-B |
| Standby Power | 1752 HP (1306 kW) @ 1800 RPM |
| Prime Power | 1684 HP (1256 kW) @ 1800 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-G12-B Generator Engines
| General Infomation of CCEC KTA50-G12-B Generator Engine | |||
| Engine Model | KTA50-G12-B | Configuration | D283022DX02 |
| Performance Curve | FR – 6972 | CPL No. Engine Critical Parts List | 3947 |
| Type | 4 – Cycle; 60° Vee; 16 – Cylinder Diesel | Aspiration | TC & Low Temp. Aftercooled Intercooler |
| Compression Ratio | 13.9 : 1 | Displacement | 3076 in3 / 50.3 L |
| Installation Data of CCEC KTA50-G12-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 Block | 47.5 in / 1206 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 % |
| 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 |
| Excludes Exhaust Noise; at Rated Load and 7.5 m (24.6 ft); 1800 RPM | 94.6 / 92.4 dBa | Exhaust Noise at 1 m Horizontally from Centerline of Exhaust Pipe Outlet Upwards at 45° | 126 / 125 dBa |
| Standby Power | 1752 HP (1306 kW) @ 1800 RPM | Continuous Power | 1537 HP (1146 kW) @ 1800 RPM |
| Prime Power (Limited Time) | 1684 HP (1256 kW) @ 1800 RPM | Prime Power (Unlimited Time) | 1580 HP (1178 kW) @ 1800 RPM |
Engine Performance Data CCEC KTA50-G12-B Generator Engines
| Performance Data of CCEC KTA50-G12-B Generator Engine | |||||
| Stanby Power | Prime Power | Stanby Power | Prime Power | ||
| Engine Speed | 1800 RPM | 1800 RPM | Engine Idle Speed | 725 – 775 RPM | 725 – 775 RPM |
| Gross Engine Power Output | 1725 HP / 1306 kW | 1580 HP / 1178 kW | Brake Mean Effective Pressure | 250 PSI / 1723 kPa | 225 PSI / 1554 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 | 4093 cfm / 1932 L/s | 3780 cfm / 1784 L/s | Exhaust Gas Temperature | 760 °F / 404 °C | 744 °F / 396 °C |
| Exhaust Gas Flow | 9302 cfm / 4390 L/s | 8480 cfm / 4002 L/s | Air to Fuel Ratio (air : fuel) | 31.4 : 1 | 32.3 : 1 |
| Radiated Heat to Ambient | 5441 BTU/min / 96 kW | 4989 BTU/min / 88 kW | Heat Rejection to Jacket Coolant | 28710 BTU/min / 504 kW | 27827 BTU/min / 489 kW |
| Heat Rejection to Exhaust | 50525 BTU/min / 888 kW | 45504 BTU/min / 799 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 Aftercooler | 12507 BTU/min / 220 kW | 10360 BTU/min / 182 kW | |||
System Technical Data of CCEC KTA50-G12-B Generator Engines
| System Technical Data of CCEC KTA50-G12-B Generator Engine | ||
| Exhaust System | Maximum Back Pressure at Standby Power | 2 in Hg / 6.8 kPa |
| Air Induction System | Maximum Intake Air Restriction – with Dirty Filter Element | 25 in H2O / 6.2 kPa |
| Maximum Intake Air Restriction – with Normal Duty Air Cleaner and Clean Filter Element | 15 in H2O / 3.7 kPa | |
| Cooling System | Coolant Capacity – Engine Only | 37 US gal / 140.1 liter |
| Minimum Pressure Cap at Sea Level | 14 PSI / 96 kPa | |
| Maximum Static Head of Coolant Above Engine Crank Centerline | 60 ft / 18.3 m | |
| Jacket Water Circuit Requirements | ||
| Thermostat (Modulating) Range | 7 / 10 °F / 48.3 / 68.9 °C | |
| Maximum Top Tank Temperature for Standby / Prime Power | 220 / 212 °F / 104 / 100 °C | |
| Maximum Coolant Friction Head External to Engine | 180 – 200 PSI / 82 – 93 kPa | |
| Aftercooler Requirements | ||
| Maximum Coolant Friction Head External to Engine – 1800 RPM | 7 PSI / 48.3 kPa | |
| Maximum Coolant Temperature Into the Aftercooler @ 25 °C (77 °F) Ambient | 120 °F / 49 °C | |
| Maximum Coolant Temperature Into the Aftercooler @ 25 °C (77 °F) Ambient – for Standby / Prime Power | 160 / 150 °F / 71 / 66 °C | |
| Thermostat (Modulating) Range | 115 – 135 °F / 46 – 57 °C | |
| Lubrication System | Oil Pressure @ Minimum Low Idle | 20 PSI / 138 kPa |
| Oil Pressure @ Governed Speed | 50 – 70 PSI / 345 – 483 kPa | |
| Maximum Oil Temperature | 250 °F / 121 °C | |
| Oil Capacity with OP 6024 Oil Pan : Low – High | 32 – 40 US gal / 121.1 – 151.4 liter | |
| Total System Capacity (Including Bypass Filter) | 46.7 US gal / 167.8 liter | |
| 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) | 6.5 in Hg / 165 mm Hg | |
| Maximum Fuel Flow to Injection Pump | 165 US gph / 625 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 | 1280 0 °F CCA | |
| Minimum Recommended Battery Capacity – Cold Soak @ 32 °F to 50 °F (0 °C to 10 °C) | 1800 0 °F CCA | |
| Minimum Recommended Battery Capacity – Cold Soak @ 0 °F to 32 °F (-18 °C to 0 °C) | 1800 0 °F CCA | |
CCEC KTA50-G12-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.
