Specification
| Bore and stroke | 126 x 155 mm |
| Displacement | 11.6 L |
| Cylinder Number | 6 |
| Compression ratio | 17:1 |
| Fuel System | Mechanical Pump |
| Aspiration | TA |
| Emission Standard | IMO Tier II |
Weichai Marine Engine – WD12 Series
| MODEL | RATING | HP | KW | RPM | g/kwh | I/h | CERTIFICATION |
| WD12C350-18 | P1 | 350 | 258 | 1800 | CCS & EIAPP |
Main Dimensions and Weight (mm/kg)
| LENGTH | WIDTH | HEIGHT | NET WEIGHT |
| 1534 | 807 | 1512 | 1100 |
Features
Engine and Block
– Cast iron frame style body structure
– One-piece forged crankshaft
– Separate cast iron cylinder heads and dry liners
– Aluminum 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 fuel 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 motors and battery charging alternator
– Voyage safeguard monitor and 5m harness
Flywheel and housing
– SAE3 flywheel housing and SAE14 flywheel
Certification
– CCS & EIAPP
Data Sheet
Case Studies
CANDANO SHIPPING M/V DOÑA TRINIDAD IV
Application Cargo Vessel / LCT
Vessel Data OAL-254.56’ LWL-234.87’ B-35.90’ D-11’
Engine Model Weichai WD12C350-18
Engine Rating 2 x 350 hp @ 1800 RPM
Speed 9.3 knots @ 1700 RPM
Fuel Consumption 2 x 36 L/HR @ 1700 RPM
Transmission MB270 Ratio 4.5:1
Propeller Modified existing propeller
To match engine
Old Engine Model Caterpillar D343
Old Engine Rating 2 x 350 hp @ 1200 RPM
Old Vessel Speed 4 knots @ 1200 RPM
Old Fuel Consumption 2 x 35 L/HR @ 1200 RPM
COAST PACIFIC MANUFACTURER CORP. M/V DANIEL MARIE
Application Cargo
Vessel Data OAL-1154’ LWL-134’ B-97’ D-7.2’
Engine Model Weichai WD12C350-18
Engine Rating 2 x 350 hp @ 1800 RPM
Speed 11.4 knots @ 1800 RPM
Fuel Consumption 75 L/HR @ 1800 RPM
Transmission MB170 2.5:1
Propeller Modified existing propeller
To match engine
Old Engine Model CUMMINS NT350
Old Engine Rating 250 hp @ 18200 RPM
Old Vessel Speed 7.2 knots @ 1800 RPM
Old Fuel Consumption 88 L/HR @ 1800 RPM
DEL MUNDO SHIPPING LINES M/BCA QLVI
Application Passenger Boat
Vessel Data OAL-85’ LWL-78.8’ B-29.5’ D-3.6’
Engine Model Dynamic Marine Engine – Weichai WD12C350-18
Engine Rating 350 hp @ 1800 RPM
Speed 18.1 knots @ 1800 RPM
Fuel Consumption 37 L/HR @ 1800 RPM
Transmission MB170 Ratio 2.5:1
Propeller Designed by Dynacast to match
MERCHAEL SEA VENTURE JUAN PAOLO 10
Application Light Boat/Steel
Vessel Data OAL-98’ LWL-94’ B-14’ D-7’
Engine Model Dynamic Marine Engine Weichai WD12C350-18
Engine Rating 350 hp @ 1800 RPM
Speed 10 knots @ 1800 RPM
Fuel Consumption 42 L/HR @ 1800 RPM
Transmission 135A Ratio 2.5:1
Propeller Designed by Dynacast to match
Optional Equipment
– Different harness length of remote monitor
– Free end PTO
– Equipment and factory trial according to Major Classification Societies rules
