15NNS6B530A-1 Cummins Engine Assy. Cummins 6.7L QSB6.7

Dongfeng Cummins QSB6.7 Engine Specifications

Model: QSB6.7 (Euro III/China Stage III)
Configuration: Inline 6-cylinder, 4-stroke, turbocharged diesel

Key Parameters:

1. Displacement: 6.7L (6,700 cc)

   • Bore × Stroke: 107mm × 124mm

2. Compression Ratio: 17.3:1 (optimized for turbocharging)

3. Aspiration:

   • Turbocharged (fixed/variable geometry)

   • Air-to-air intercooling

4. Rated Power: 142 kW (190 hp) @ 2,200 rpm

   • Peak Torque: ~700 Nm (typical for this variant)

5. Emissions Compliance: Euro III/China III (non-EGR)

Fuel System:

• Common Rail Direct Injection (High-pressure)

• Injector Type: Bosch solenoid-controlled

Applications:

• Dongfeng trucks (e.g., Tianlong, KL series)

• Industrial/marine gensets

• Construction equipment

Key Features:

✔ High torque at low RPM (ideal for heavy-duty cycles)
✔ Mechanical fuel pump (simpler vs. electronic systems)
✔ Dry weight: ~550 kg (with accessories)

Maintenance Data:

• Oil capacity: ~18L (with filter)

• Service interval: 500 hrs (standard duty)