CCEC QSK38-G4 Generator Engines
| Engine Model | QSK38-G4 |
| Standby Power | 1845 HP (1376 kW) at 1800 RPM |
| Prime Power | 1650 HP (1231 kW) at 1800 RPM |
| Compression Ratio | 15.0 : 1 |
| Type | 4 Cycle; 12 Cylinder |
| Fuel System | CMS MCRS |
| Aspiration | Turbocharged & Aftercooled |
| Emission Standard | Euro II |
| Displacement | 38L |
| Bore * Stroke | 159 mm * 159 mm |
| Packing Size (L * W * H) | 2220 mm * 1507 mm * 1846 mm |
General Infomation of CCEC QSK38-G4 Generator Engines
| General Infomation of CCEC QSK38-G4 Generator Engine | |||
| Engine Model | QSK38-G4 | Configuration | D233042GX03 |
| Performance Curve | FR-6789 | CPL | 3572 |
| Type | Four Cycle; Vee; 12 Cylinder | Aspiration | TC & Low Temp Aftercooled (2P/2L) |
| Stroke * Bore | 159 mm * 159 mm / 6.25 in * 6.25 in | Displacement | 2301 in3 / 37.7 L |
| Compression Ratio | 15 : 1 | No. of Cylinders | 6 |
| Fan to Flywheel | 4953720 | Date | 15-Oct-14 |
| Fuel System | CMS MCRS | Emissions | U.S. EPA Tier 2 |
| Prime Power & Engine Speed | 1650 HP (1231 kW) at 1800 RPM | Continuous Power & Engine Speed | 1400 HP (1044 kW) at 1800 RPM |
| Standby Power & Engine Speed | 1845 HP (1376 kW) at 1800 RPM | ||
| Installation Data of CCEC QSK38-G4 Generator Engine | |||
| Wet Weight – Approximate | 9039 lb / 4100 kg | Dry Weight -Approximate | 8433 lb / 3825 kg |
| Moment of Inertia of Rotating Components – with FW 6074 Flywheel | 246.8 lbm.ft2 / 10.4 kg.m2 | Moment of Inertia of Rotating Components – with FW 6077 Flywheel | 493.6 lbm.ft2 / 20.8 kg.m2 |
| Center of Gravity from Rear Face of Block | 31.5 in / 801 mm | Center of Gravity Above Crankshaft Centerline | 6.8 in / 173 mm |
| Maximum Static Loading at Rear Main Bearing | 2000 lb / 907 kg | Maximum Bending Moment at Rear Face of Block | 4500 lb.ft / 6101 N.m |
| Exhaust Noise at 1 m Horizontally from Centerline of Exhaust Pipe Outlet Upwards at 45°;1800 RPM | 96.3 dBA | Steady State Stability Band at Any Constant Load | +/- 0.25 % |
| Excludes Exhaust Noise; at Rated Load and7.5 m (24.6 ft); 1800 RPM | 99.4 dBA | ||
Engine Performance Data CCEC QSK38-G4 Generator Engines
| Performance Data of CCEC QSK38-G4 Generator Engine | |||||
| PRIME POWER | STANDBY | PRIME POWER | STANDBY | ||
| Frequency | 60 Hz | 60 Hz | Exhaust Gas Temperature | 880 °F / 472 °C | 907 °F / 486 °C |
| Governed Engine Speed | 1800 RPM | 1800 RPM | Exhaust Gas Flow | 8627 cfm / 4072 L/s | 9353 cfm / 4415 L/s |
| Engine Idle Speed | 700 – 900 RPM | 700 – 900 RPM | Air to Fuel Ratio (air : fuel) | 27.5 : 1 | 26.3 : 1 |
| Gross Engine Power Output | 1650 HP / 1231 kW | 1845 HP / 1376 kW | Radiated Heat to Ambient | 6819 BTU/min / 120 kW | 7612 BTU/min / 134 kW |
| Brake Mean Effective Pressure | 316 psi / 2176 kPa | 353 psi / 2433 kPa | Heat Rejection to Jacket Coolant | 24956 BTU/min / 439 kW | 26484 BTU/min / 466 kW |
| Piston Speed | 1562 ft/min / 7.9 m/s | 1562 ft/min / 7.9 m/s | Heat Rejection to Exhaust | 51878 BTU/min / 912 kW | 58506 BTU/min / 1028 kW |
| Friction Horsepower | 115 HP / 86 kW | 115 HP / 86 kW | Heat Rejected to Fuel | 414 BTU/min / 8 kW | 414 BTU/min / 8 kW |
| Intake Air Flow | 3576 cfm / 1688 L/s | 3832 cfm /1809 L/s | Heat Rejection to Aftercooler Coolant | 16424 BTU/min / 289 kW | 19021 BTU/min / 335 kW |
| Engine Water Flow at Stated Friction Head External to Engine (4 psi Friction Head) | 274 gpm / 1037 L/s | 274 gpm / 1037 L/s | Aftercooler Water Flow at Stated Friction Head External to Engine(2 psi Friction Head) | 137 gpm / 9 L/s | 137 gpm / 9 L/s |
| Engine Water Flow at Stated Friction Head External to Engine (Maximum Friction Head ) | 209 gpm / 791 L/s | 209 gpm / 791 L/s | Aftercooler Water Flow at Stated Friction Head External to Engine(Maximum Friction Head) | 116 gpm / 7 L/s | 116 gpm / 7 L/s |
System Technical Data of CCEC QSK38-G4 Generator Engines
| System Technical Data of CCEC QSK38-G4 Generator Engine | ||
| Exhaust System | Maximum Back Pressure – 1800 RPM | 2 in Hg / 7 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 | Jacket Water Circuit Requirements | |
| Coolant Capacity — Engine Only | 28 gal / 106 liter | |
| Minimum Pressure Cap Rating at Sea Level | 11 psi / 76 kPa | |
| Maximum Static Head of Coolant Above Engine Crank Centerline | 60 ft. / 18.3 m | |
| Maximum Coolant Temperature (Max Top Tank Temp) for Standby/Prime Power | 220/212 °F / 104/100 °C | |
| Thermostat (Modulating) Range | 180 – 202 °F / 82 – 94 °C | |
| Maximum coolant friction head external to engine – 1800 RPM | 10 psi / 68.9 kPa | |
| Aftercooler Circuit Requirements | ||
| Coolant Capacity — Aftercooler | 6 gal / 22.7 liter | |
| Maximum Coolant Friction Head External to Engine – 1800 RPM | 10 psi / 68.9 kPa | |
| Maximum Coolant Temperature into Aftercooler @ 77 °F (25 °C) Ambient | 120 °F / 49 °C | |
| Maximum Coolant Temperature into Aftercooler @ Limiting Ambient Conditions for Standby/Prime power | 160/150 °F / 71/66 °C | |
| Thermostat (Modulating) Range | 115 – 135 °F / 46 – 57 °C | |
| Lubrication System | Oil Pressure @ Minimum Idle Speed | 20 PSI / 138 kPa |
| Oil Pressure @ Governed Speed | 50 – 70 PSI / 344.7 – 482.6 kPa | |
| Maximum Oil Temperature | 248 °F / 120 °C | |
| Oil Capacity with OP 6107 Oil Pan : Low – High | 37 – 44 US gal / 140.4 – 166.6 litre | |
| Total System Capacity (Including Combo Filter) | 45 US gal / 170.3 litre | |
| Fuel System | Type Injection System | CMS MCRS |
| Maximum Return Fuel Flow – 1800 RPM | 94 US gph / 356 litre/hr | |
| Maximum Fuel Inlet Temperature | 160 °F / 71 °C | |
| Maximum Fuel Supply Restriction at Fuel Pump Inlet (clean/dirty filter) | 5/10 in Hg / 16.9/34 kPa | |
| Maximum Supply Fuel Flow – 1800 RPM | 159 US gph / 602 litre/hr | |
| Maximum Allowable Head on Injector Return Line (Consisting of Friction Head and Static Head) | 10 in Hg / 34 kPa | |
| Electrical System | System Voltage | 24 volt |
| Maximum Starting Circuit Resistence | 0.002 ohm | |
| Minimum Recommended Battery Capacity-Cold Soak @ 50 °F (10 °C) and Above | 1800 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 | |
| COLD START CAPABILITY | Minimum Cranking Speed | 150 RPM |
| Minimum Ambient Temperature for Unaided Cold Start | 45 °F / 7.2 °C | |
CCEC QSK38-G4 Generator Engines Product Advantages
Outstanding Performance
Equipped with the world-leading high-pressure common rail fuel system and fully electronic control modules, the engine achieves exceptional power and transient response through ultra-high fuel injection pressure, optimized vortex and harmonic intake ports, and Cummins’ proprietary high-pressure-ratio efficient turbocharger. It demonstrates enhanced adaptability to altitude, temperature, and load variations.
Features high torque, robust power, rapid transient response, and superior fuel efficiency.
Excellent Durability
The cylinder block and cylinder head are designed with high-strength integration to minimize failure rates, ensuring long-lasting reliability and an outstanding reputation.
The pre-lubrication system, Centriguard centrifugal filter, CENTINEL continuous oil renewal system, and dual-stage Fleetguard combination oil filter extend maintenance intervals while reducing startup failure rates.
High Reliability
Modular integration, compact structure, low failure rates, reduced vibration, and low noise. The engine maintains optimal performance across varying altitudes and load conditions.
Emission Compliance
An optimized combustion chamber design enables the engine to achieve exceptional emission levels without requiring aftertreatment systems. It has been certified under China’s National Stage III Emission Standard for non-road applications.
Convenient Maintenance
The INSITE engine monitoring and diagnostics software, based on the Windows operating system, offers a user-friendly interface and flexibility for rapid fault diagnosis.
A modular design with compact, block-based integration ensures easy disassembly and component reuse. Shared components across the platform enhance parts commonality.
Six-cylinder single-head integrated design with modularized structure ensures compactness. Components are detachable and highly reusable.
