WATER PUMP 1003807945 of Weichai Baudouin 12M55G2250/6 diesel generator parts

Engine 12M55G2250/6 Technical Specifications Summary

Basic Data

• Engine Model: 12M55G2250/6
• Number of Cylinders / Valves: 12 cylinders / 48 valves
• Cylinder Arrangement: Vee
• Bore × Stroke: 180 mm × 215 mm
• Displacement: 65.65 L
• Thermodynamic Cycle: 4-stroke Diesel
• Compression Ratio: 16.5:1
• Firing Order: A1-B1-A5-B5-A3-B3-A6-B6-A2-B2-A4-B4
• Cooling System: Liquid-cooled (water + 50% antifreeze)
• Fuel System: High-pressure common rail direct injection
• Aspiration: Turbocharged and aftercooled
• Flywheel & Flywheel Housing: SAE 00, 21"
• Engine Rotation (Viewed from Flywheel): Counterclockwise

Power & Performance

• Rated Speed: 1800 RPM
• Net Power Output:
  • Prime Power (PRP): 2048 kWm / 2747 BHP
  • Emergency Standby Power (ESP): 2308 kWm / 3096 BHP
• Mean Piston Speed: 4.81 m/s
• Brake Mean Effective Pressure (BMEP) @ ESP: 25.0 Bar

Lubrication System

• Oil Capacity (Low / High): 330 L / 380 L
• Oil Pressure (Idle Speed): ≥1.8 Bar
• Oil Pressure (1800 RPM @ PRP): 4 - 6.5 Bar
• Oil Consumption to Fuel Consumption Ratio: ≤0.4 g/kW·h
• Total System Capacity (Including Filters): 460 L

Cooling System

• Radiator Type: Electrically driven
• Fan Type: Electric-driven pusher, 4 × 34.5 kWe, 460 Vac, 1750 RPM motors
• Engine Coolant Capacity: 306 L
• Radiator & Pipe Coolant Capacity: 220 L
• Cooling Fan Airflow: 2820 m³/min
• Maximum Coolant Temperature Alarm (Shutdown): 112°C

Exhaust System

• Max. Exhaust Back Pressure: 150 mBar
• Max. Exhaust Temperature Before Turbocharger: 740°C
• Exhaust Flow @ PRP: 501.5 m³/min
• Exhaust Flow @ ESP: 554.1 m³/min
• Min. Exhaust Pipe Diameter: 280 mm

Fuel System

• Governor: ECU-controlled
• Fuel Flow Rate: 2800 L/hr
• Max. Fuel Inlet Pressure: 0.5 Bar
• Max. Fuel Return Restriction: 0.2 Bar
• Fuel Consumption (@ 100% Load, ESP): 200.1 g/kWh (586.0 L/hr)

Electrical System

• System Voltage: 24 VDC (Negative to Ground)
• Starter Power: 2 × 8.5 kW
• Battery Charger Power: 1.6 kW
• Battery Charger Current: 55 A

Physical & Noise Data

• Overall Dimensions (L × W × H): 4193 × 2241 × 2787 mm
• Engine Dry Weight (Without Radiator & Pipes): 9550 kg
• Engine Dry Weight (With Radiator & Pipes): 11500 kg
• Engine Wet Weight (With Oil & Coolant): 12486 kg
• Noise Level (@ 1m, Without Radiator & Silencer): 125.5 dB(A)