DCEC Cummins 6LTAA8.9-C340 Industrial Application Engine


DCEC Cummins 6LTAA8.9-C340 Industrial Application Engine

Engine Model6LTAA8.9-C340
Rated Power / Speed:340 HP @ 2200 RPM
Peak Torque:1268 N·m @ 1000 RPM
Type6 Cylinders, in Line
Fuel SystemWeifu PW2000 pump
RQV_K speed regulator
AspirationTurbocharged & Air-Air Intercooler
Displacement8.9 L
Bore * Stroke114 mm * 145 mm
Packing Size (L * W * H)778 mm * 634 mm * 912 mm
Lead Time:5-15 Working Days

General Infomation of DCEC 6LTAA8.9-C340 Industrial Engine

General Infomation of DCEC 6LTAA8.9-C340 Industrial Engine
Engine Model6LTAA8.9-C340Curve & DatasheetFR92945
Compression Ratio16.6 : 1Displacement8.9 L
Advertised Power340 HP @ 2000 RPMBore * Stroke114 mm * 145 mm
Peak Torque1268 N·m @ 1000 RPMAspirationTurbocharged & Air-Air Intercooler
Fuel SystemWeifu PW2000 Pump / RSV Mechanical GovernorCylinders6 Cylinders, in Line
Engine Wet Weight650 kgBasic Engine(L*W*H)N/A
Installation Data of DCEC 6LTAA8.9-C300 Industrial Engine
Moment Of Inertia Of Rotating Components (No Flywheel)0.72 kg·m²
Center Of Gravity From Front Face Of Block427 mm
Center Of Gravity Above Crankshaft Centerline163 mm
Maximum (Static) Bending Moment At Front Support Mounting Surface495 N.m
Maximum (Static) Bending Moment At Side Pad Mounting Surface250 N.m
Maximum (Static) Bending Moment at Rear Face of Block1356 N.m
Moment of Inertia of Complete Engine— Roll Axis29.8 kg·m²
Moment of Inertia of Complete Engine— Pitch Axis76.8 kg·m²
Moment of Inertia of Complete Engine— Yaw Axis66.9 kg·m²
Maximum Overspeed Capability3150 RPM
Crankshaft Thrust Bearing Load Limit—Maximum Intermittent5338 N
Crankshaft Thrust Bearing Load Limit—Maximum Continuous2670 N
Performance Data of DCEC 6LTAA8.9-C300 Industrial Engine
Minimum Idle Speed700 RPM
Maximum Speed Adjustment Speed (10 % Rated Load)2260 RPM
Nominal Governor Regulation≤8 %
Maximum Altitude Allowed for Continuous Operation2200 m
Maximum Torque Available At Closed Throttle Low Idle Speed450 N.m
Throttle Handle Angle – High Idle103 ± 10° Deg
Throttle Handle Angle – Low Idle70 ± 10° Deg
Throttle Handle Angle – Rotation Angle33 ± 5° Deg
Throttle Angle at Engine Shutdown – Engine Work14 ± 5° Deg
Throttle Angle at Engine Shutdown – Engine Shutdown318±5° Deg

Performance Data of DCEC 6LTAA8.9-C340 Industrial Engine

Engine Performance Data Rated Power of DCEC 6LTAA8.9-C340 Industrial Engine
Rated PowerTorque PeakRated PowerTorque Peak
Engine Speed2000 RPM1400 RPMExhaust Gas Temperature440 °C455 °C
Gross Power Output225 kW180 kWHeat Rejection to AmbientN/AN / A
Torque1074 N.m1230 N.mHeat Rejection to CoolantN/AN / A
Intake Manifold Pressure181 kPa153 kPaHeat Rejection to FuelN/AN / A
Friction HorsepowerN/AN/AEngine Coolant FlowN/AN / A
Turbo Comp. Outlet Pressure193 kPa158 kPaExternal Cooling Circuit ResistanceN/AN / A
Intake Air Flow22 kg/min14.8 kg/minAltitude Limitations-IntermittentN/AN / A
Exhaust Gas Flow681 L/s467 L/sAltitude Limitations-ContinuousN/AN / A
Turbo Comp. Outlet Temperature202 ℃174 ℃Steady State Smoke1.5 FSN1.5 FSN

Advantages of DCEC 6LTAA8.9-C340 Industrial Engine

The DCEC 6LTAA8.9 series electronic industrial engine supports multiple EU emission standards, including Stage III, Stage IV, and Stage V. The 30 / 40 / 50 models differ mainly in after-treatment systems and ECU calibration, while all versions share the same mechanical engine platform.

1. Emission Standards & Model Designations

The 30 / 40 / 50 designations indicate compliance with EU Stage III, Stage IV, and Stage V, respectively.

All models use an identical engine core. To meet higher emission requirements, the manufacturer applies targeted upgrades rather than redesigning the engine itself, including:

  • After-treatment systems: Depending on the emission stage, the engine integrates SCR systems, DOCs, and/or DPFs.
  • ECU programming: Engineers optimize ECU software to precisely control fuel injection, combustion behavior, and exhaust after-treatment performance.

2. Key Differences Between Emission Stages

  • Stage III: Uses relatively basic emission control solutions with limited or no advanced exhaust after-treatment.
  • Stage IV / Stage V: Applies advanced after-treatment technologies (such as SCR and DOC/DPF) and more sophisticated ECU calibrations to meet stricter NOx and particulate matter limits.

3. Availability & Support

  • Unlisted models: Contact the BLSH sales team to obtain technical specifications or discuss customized configurations.
  • Product updates: Follow EMAC’s official website to access the latest product updates and technical revisions.

4. Why This Matters

  • Regulatory compliance: This engine platform supports multiple regional regulations, including EU and North American emission standards.
  • Engineering flexibility: A unified engine design simplifies equipment integration, while modular after-treatment solutions allow future emission upgrades without changing the base engine.

For specific applications, unlisted variants, or detailed technical documentation, please contact BLSH’s sales or engineering team for professional, tailored support.

Contact BLSH Now!

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