DCEC Cummins 6LTAA8.9-C340 Industrial Application Engine




| Engine Model | 6LTAA8.9-C340 |
| Rated Power / Speed: | 340 HP @ 2200 RPM |
| Peak Torque: | 1268 N·m @ 1000 RPM |
| Type | 6 Cylinders, in Line |
| Fuel System | Weifu PW2000 pump RQV_K speed regulator |
| Aspiration | Turbocharged & Air-Air Intercooler |
| Displacement | 8.9 L |
| Bore * Stroke | 114 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 Model | 6LTAA8.9-C340 | Curve & Datasheet | FR92945 |
| Compression Ratio | 16.6 : 1 | Displacement | 8.9 L |
| Advertised Power | 340 HP @ 2000 RPM | Bore * Stroke | 114 mm * 145 mm |
| Peak Torque | 1268 N·m @ 1000 RPM | Aspiration | Turbocharged & Air-Air Intercooler |
| Fuel System | Weifu PW2000 Pump / RSV Mechanical Governor | Cylinders | 6 Cylinders, in Line |
| Engine Wet Weight | 650 kg | Basic 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 Block | 427 mm | ||
| Center Of Gravity Above Crankshaft Centerline | 163 mm | ||
| Maximum (Static) Bending Moment At Front Support Mounting Surface | 495 N.m | ||
| Maximum (Static) Bending Moment At Side Pad Mounting Surface | 250 N.m | ||
| Maximum (Static) Bending Moment at Rear Face of Block | 1356 N.m | ||
| Moment of Inertia of Complete Engine— Roll Axis | 29.8 kg·m² | ||
| Moment of Inertia of Complete Engine— Pitch Axis | 76.8 kg·m² | ||
| Moment of Inertia of Complete Engine— Yaw Axis | 66.9 kg·m² | ||
| Maximum Overspeed Capability | 3150 RPM | ||
| Crankshaft Thrust Bearing Load Limit—Maximum Intermittent | 5338 N | ||
| Crankshaft Thrust Bearing Load Limit—Maximum Continuous | 2670 N | ||
| Performance Data of DCEC 6LTAA8.9-C300 Industrial Engine | |||
| Minimum Idle Speed | 700 RPM | ||
| Maximum Speed Adjustment Speed (10 % Rated Load) | 2260 RPM | ||
| Nominal Governor Regulation | ≤8 % | ||
| Maximum Altitude Allowed for Continuous Operation | 2200 m | ||
| Maximum Torque Available At Closed Throttle Low Idle Speed | 450 N.m | ||
| Throttle Handle Angle – High Idle | 103 ± 10° Deg | ||
| Throttle Handle Angle – Low Idle | 70 ± 10° Deg | ||
| Throttle Handle Angle – Rotation Angle | 33 ± 5° Deg | ||
| Throttle Angle at Engine Shutdown – Engine Work | 14 ± 5° Deg | ||
| Throttle Angle at Engine Shutdown – Engine Shutdown | 318±5° Deg | ||
Performance Data of DCEC 6LTAA8.9-C340 Industrial Engine
| Engine Performance Data Rated Power of DCEC 6LTAA8.9-C340 Industrial Engine | |||||
| Rated Power | Torque Peak | Rated Power | Torque Peak | ||
| Engine Speed | 2000 RPM | 1400 RPM | Exhaust Gas Temperature | 440 °C | 455 °C |
| Gross Power Output | 225 kW | 180 kW | Heat Rejection to Ambient | N/A | N / A |
| Torque | 1074 N.m | 1230 N.m | Heat Rejection to Coolant | N/A | N / A |
| Intake Manifold Pressure | 181 kPa | 153 kPa | Heat Rejection to Fuel | N/A | N / A |
| Friction Horsepower | N/A | N/A | Engine Coolant Flow | N/A | N / A |
| Turbo Comp. Outlet Pressure | 193 kPa | 158 kPa | External Cooling Circuit Resistance | N/A | N / A |
| Intake Air Flow | 22 kg/min | 14.8 kg/min | Altitude Limitations-Intermittent | N/A | N / A |
| Exhaust Gas Flow | 681 L/s | 467 L/s | Altitude Limitations-Continuous | N/A | N / A |
| Turbo Comp. Outlet Temperature | 202 ℃ | 174 ℃ | Steady State Smoke | 1.5 FSN | 1.5 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.

