Weichai WD12 Marine Diesel Engine Series (220-294kW)
Product advantages
The Weichai WD12 series marine diesel engine is developed based on the WD10 series diesel engine, with bigger stroke and higher power. It inherits the excellent features of the WD10 series diesel engine, including large power reserve, low fuel consumption, low emission, high reliability, simple operation and easy maintenance.
Series | 4-Stroke,water cooling,In-Line,Dry cylinder sleeve |
Cylinder Diameter/Stroke | 126×155mm |
specific lub-oil consumption | 195g/kW·h |
Start Mode | Electric start |
Firing Order | 1-5-3-6-2-4 |
Noise | ≤119dB(A) |
Number of cylinders | 6 |
Displacement | 11.596L |
Oil consumption | 0.5g/ kW·h |
Idling | 650±30r/min |
Smoke intensity | ≤1.0Rb |
Emission standard | IMO TIER II |
Crankshaft rotation direction(towards free end) | clockwise |
Product portfolio
Model | Air intake mode | Rated power (kW/Ps) | Rotational speed (rpm) | Oil supply mode | Emission level |
WD12C300-15 | Turbocharged and intercooled | 220/300 | 1500 | Mechanical pump | IMO II/China Tier I |
WD12C300-18 | Turbocharged and intercooled | 220/300 | 1800 | Mechanical pump | IMO II/China Tier I |
WD12C327-15 | Turbocharged and intercooled | 240/327 | 1500 | Mechanical pump | IMO II/China Tier I |
WD12C327-18 | Turbocharged and intercooled | 240/327 | 1800 | Mechanical pump | IMO II/China Tier I |
WD12C350-18 | Turbocharged and intercooled | 258/350 | 1800 | Mechanical pump | IMO II/China Tier I |
WD12C375-21 | Turbocharged and intercooled | 275/375 | 2150 | Mechanical pump | IMO II/China Tier I |
WD12C400-21 | Turbocharged and intercooled | 294/400 | 2150 | Mechanical pump | IMO II/China Tier I |
Product Features
Engine and block Cast iron frame style body structure One-piece forged crankshaft Separate cast iron cylinder heads and dry liners Aluminium alloy pistons with gallery oil cooling Cooling system Fresh / raw water heat exchanger with integrated thermostatic valves and expansion tank Cast iron centrifugal fresh water pump, mechanically driven Self-priming raw water pump, mechanically driven Lubrication system Full flow duplex type oil filters replaceable engine running Fresh water cooled lube oil cooler plate type | Fuel system P type in line injection pump Dual-skinned fuel pipe with alarm and leakage collector Duplex fuel filters replaceable engine running Water separated filter Intake air and exhaust system Washable air filter & exhaust expansion joint Insulated dry type or water jacket exhaust manifold Electrical system 24V electric starter motor and battery charging alternator Voyage safeguard monitor and 5m harness Flywheel and housing SAE1 flywheel housing and SAE14 flywheel Certification CCS and EIAPP |
Power definition Standard ISO 3046/1 -1995(F) Reference conditions Ambiant temperature 25 °C Barometric pressure 100 kPa Relative humidity 30% Raw water temperature 25 °C | Fuel Relative density 0,840 ± 0,005 Lower calorific power 42 700 kJ/kg Consumption tolerances ± 5 % Lube oil Recommend grade CF-4 15W/40 |