Weichai WP6 Series of Marine Diesel Engine 90-168kW
WP6 marine diesel engine develops from Deutz 226B-6C family with improved structure, increased strokes, and higher displacement, which significantly enhance its reserve power. Strictly in line with German standards, this series engine is equipped with round reentrant ω-shaped combustion chamber, low-vortex cylinder lid, low flow-resistant intake system, and efficient supercharger, which improve combustion greatly. Moreover, its flat fuel consumption curve ensures high economic performance under common working conditions.
The WP6 series have passed the International Association Classification Society Certificates of CCS,ZY,ABS, GL,BV,DNV ,RS and LR.
This series is ideally used on river transport ships, fishing boats and public vessels.
| Item | Unit | Engine type | ||||
| WP6C122-15 | WP6C142-18 | WP6C156-21 | WP6C140-23 | |||
| intake mode | Turbocharged | |||||
| number of cylinders | 6 | |||||
| Bore X Stroke | 105×130 | |||||
| displacement | L | 6.75 | ||||
| compression ratio | 18 | |||||
| power | KW | 90 | 105 | 115 | 103 | |
| speed | r/min | 1500 | 1800 | 2100 | 2300 | |
| min. fuel oil consumption | g/(KW.h) | 200 | ||||
| fuel consumption @ rated power | g/(KW.h) | ≤215 | ≤220 | ≤225 | ≤230 | |
| lub oil and fuel consumption ratio | % | ≤0.3 | ||||
| cooling mode | sea and fresh water duel-circulation cooling system | |||||
| start mode | electric start | |||||
| net weight | kg | 700±50 | ||||
| rotation direction of crankshaft (seen from the free end) | C.W. | |||||
| Dimension | length | mm | 1350 | |||
| width | mm | 770 | ||||
| height | mm | 965 | ||||
| Item | Unit | model | ||||
| WP6C163-23 | WP6C150-15 | WP6C165-18 | WP6C185-21 | |||
| admission mehtod | supercharge | intercooling | ||||
| number of cylinders | 6 | |||||
| bore X stroke | 105×130 | |||||
| piston displacement | L | 6.75 | ||||
| compression ratio | 18 | |||||
| rated power | KW | 120 | 110 | 122 | 136 | |
| rated speed | r/min | 2300 | 1500 | 1800 | 2100 | |
| minimum specific fuel consumption | g/(KW.h) | 200 | ||||
| rated fuel consumption rate | g/(KW.h) | ≤230 | ≤210 | ≤215 | ≤220 | |
| engine fuel consumption ratio | % | ≤0.3 | ||||
| cooling method | sea water binary | |||||
| starting mode | electrical | |||||
| net weight | kg | 700±50 | 750±50 | |||
| crankshaft rotation (from free end) | clockwise | |||||
| overal dimension | length | mm | 1350 | |||
| width | mm | 770 | ||||
| height | mm | 965 | ||||
| Item | Unit | engine type | ||||
| WP6C198-23 | WP6C220-23 | WP6C250-23 | WP6C250-25 | |||
| intake mode | turbocharged intercooling | |||||
| number of cylinders | 6 | |||||
| bore X stroke | 105×130 | |||||
| displacement | L | 6.75 | ||||
| compression ratio | 18 | |||||
| power | KW | 145 | 162 | 168 | 168 | |
| speed | r/min | 2300 | 2300 | 2230 | 2425 | |
| min. fuel oil consumption | g/(KW.h) | 200 | ||||
| fuel consumption @ rated power | g/(KW.h) | ≤225 | ≤225 | ≤225 | ≤230 | |
| lub oil and fuel consumption ratio | % | ≤0.3 | ||||
| cooling mode | sea and fresh water duel-circulation cooling system | |||||
| start mode | electric start | |||||
| net weight | kg | 750±50 | ||||
| rotation direction of crankshaft (seen from the free end) | clockwise | |||||
| dimension | length | mm | 1350 | |||
| width | mm | 770 | ||||
| height | mm | 965 | ||||
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