DCEC 6BT5.9-C120 Industrial Application Engine
| Engine Model | 6BT5.9-C120 |
| Rated Power / Speed: | 120 HP @ 2200 RPM |
| Peak Torque: | 436 N.m @ 1500 RPM |
| Type | 6 Cylinders, in Line |
| Fuel System | Weifu PW Pump RSV Mechanical Governor |
| Aspiration | Turbocharged |
| Displacement | 5.9 L |
| Bore * Stroke | 102 mm * 120 mm |
| Packing Size (L * W * H) | 778 mm * 634 mm * 912 mm |
| Lead Time: | 5-15 Working Days |
General Infomation of DCEC 6BT5.9-C120 Industrial Engine
| General Infomation of DCEC 6BT5.9-C120 Industrial Engine | |||
| Engine Model | 6BT5.9-C120 | Emission Standard | N/A |
| Curve&Datasheet | FR91471 | Displacement | 5.9 L |
| Compression Ratio | 16.8 : 1 | Bore * Stroke | 102 mm * 120 mm |
| No. Of Cylinders | 6 Cylinders, in Line | Governor Regulation | 8 % |
| Fuel System | Weifu PW Pump / RSV Mechanical Governor | Wet Weight | 432 kg |
| Aspiration | Turbocharged | Configuration | D40 |
| CPL Code Revision | 1189-02 | Packing Size(L * W * H) | 1026 mm * 699 mm * 912 mm |
| Installation Data of DCEC 6BT5.9-C120 Industrial Engine | |||
| Moment Of Inertia Of Rotating Components (No Flywheel) | 0.25 kg·m² | ||
| Center Of Gravity From Front Face Of Block | 391 mm | ||
| Center Of Gravity Above Crankshaft Centerline | 140 mm | ||
| Maximum (Static) Bending Moment At Front Support Mounting Surface | 435 N.m | ||
| Maximum (Static) Bending Moment At Side Pad Mounting Surface | N/A | ||
| Maximum (Static) Bending Moment at Rear Face of Block | 1356 N.m | ||
| Instantaneous Inertia of the Finished Engine- Double Shaft | 16.5 kg·m² | ||
| Instantaneous Inertia of the Finished Engine- Pitch Axis | 41.1 kg·m² | ||
| Instantaneous Inertia of the Finished Engine- Partial Rotation | 35.4 kg·m² | ||
| Performance Data of DCEC 6BT5.9-C120 Industrial Engine | |||
| Minimum Idle Speed | 750 RPM | ||
| Maximum Speed Adjustment Speed (10% Rated Load) | 2360 RPM | ||
| Maximum Overspeed Performance | 3750 RPM | ||
| Maximum Altitude Allowed for Continuous Operation | N/A | ||
| 700 RPM Full Throttle Closed Torque (900 RPM Idle Speed) | N/A | ||
| Throttle Handle Angle – High Idle | 102 ± 4 Deg | ||
| Throttle Handle Angle – Low Idle | 75 ± 4 Deg | ||
| Throttle Handle Angle – Rotation Angle | 27 Deg | ||
| Parking Handle Angle – Free Position | 94 ± 4 Deg | ||
| Parking Handle Angle – Parking Position | 32 ± 4 Deg | ||
| Ultimate Load Of Thrust Pad – Instantaneous Maximum | 3425 N | ||
| Ultimate Load Of Thrust Tile – Maximum Continuous Load | 1112 N | ||
Performance Data of DCEC 6BT5.9-C120 Industrial Engine
| Engine Performance Data Rated Power of DCEC 6BT5.9-C120 Industrial Engine | |||||
| Rated Power | Torque Peak | Rated Power | Torque Peak | ||
| Engine Speed | 2200 RPM | 1500 RPM | Exhaust Gas Temperature | 470 °C | 510 °C |
| Gross Power Output | 87 kW | 68 kW | Heat Rejection to Ambient | N/A | N/A |
| Torque | 387 N.m | 436 N.m | Heat Rejection to Coolant | 78 kW | 53.6 kW |
| Intake Manifold Pressure | 114 kPa | 75 kPa | Heat Rejection to Fuel | 0.6 kW | 0.3 kW |
| Friction Horsepower | 18 kW | 11 kW | Engine Coolant Flow | 3.1 kW | 2.0 kW |
| Turbo Comp. Outlet Pressure | 120 kPa | 80 kPa | External Cooling Circuit Resistance | N/A | N/A |
| Intake Air Flow | 190 L/s | 125 L/s | Altitude Limitations-Intermittent | 3500 m | 3500 m |
| Exhaust Gas Flow | 475 L/s | 310 L/s | Altitude Limitations-Continuous | 3000 m | 3000 m |
| Turbo Comp. Outlet Temperature | 140 °C | 110 °C | Steady State Smoke | 1.5 Bosch | 2.0 Bosch |
Advantages of DCEC 6BT5.9-C120 Industrial Engine
Integrated Design & Reduced Complexity:
Cylinder Block/Head Integration: A unified design minimizes parts by 40% compared to conventional engines, reducing assembly complexity and potential failure points.
Leak Prevention: Eliminates water/oil leakage risks, enhancing durability in harsh conditions and lowering maintenance needs.
- Robust Construction & Materials:
Forged Steel Components: Camshaft and crankshaft made from forged steel ensure high strength, fatigue resistance, and longevity under heavy loads.
High-Strength Block: Reinforced casting integrates multiple parts, boosting rigidity, pressure resistance, and structural reliability.
- Precision Sealing & Oil Control:
Platform Mesh Honing: Cylinder bore surface treatment optimizes geometric integrity, preventing oil leakage.
Advanced Sealing Tech: New piston rings and crimped gaskets further reduce oil consumption and leakage risks.
- In-House Engine Control Systems:
DCEC-Developed Electronics: Five core systems (e.g., fuel injection, emission control) are designed and validated globally, ensuring adaptability and reliability across diverse environments.
Proven Performance: Extensive real-world testing underpins exceptional fuel economy and operational consistency.
- Overall Benefits:
Enhanced Reliability: Fewer parts and robust construction slash failure rates.
Long Service Life: Durable materials and sealing tech extend operational lifespan.
Economic Efficiency: Optimized design and electronics reduce fuel/oil waste, lowering total cost of ownership.
This engine is engineered for demanding applications, prioritizing longevity, efficiency, and reliability through innovative design and rigorous testing.chieves a balance of power, reliability, eco-compliance, and cost-effectiveness. Ideal for non-road applications such as engineering machinery and agricultural equipment, it delivers an efficient, durable, and user-friendly power solution.
