Weichai YANGCHAI Series WP3.2C34-15E321 Marine Diesel Engine
| Product Model | Power(kW) | Power ( HP) | Rotation Speed(r/min) |
| WP3.2C34-15E321 | 25 | 34 | 1500 |
| WP3.2C37-18E321 | 27 | 36 | 1800 |
| WP3.2C41-15E321 | 30 | 40 | 1500 |
| WP3.2C50-24E321 | 36.8 | 49 | 2400 |
| WP2.3NC54-18E220 | 40 | 54 | 1800 |
| WP2.3NC68-18E220 | 50 | 67 | 1800 |
| WP2.3NC82-18E220 | 60 | 80 | 1800 |
| WP2.3NC110-25E220 | 81 | 109 | 2500 |
| WP2.3NC130-32E220 | 95 | 127 | 3200 |
| WP3NC115-30E220 | 85 | 114 | 3000 |
| WP3NC130-30E220 | 95 | 127 | 3000 |
| WP3NC150-30E220 | 110 | 147 | 3000 |
| WP3NC160-30E220 | 118 | 158 | 3000 |
| WP4.1C54-15 | 40 | 54 | 1500 |
| WP4.1C68-15 | 50 | 67 | 1500 |
| WP4.1C82-18 | 60 | 80 | 1800 |
| Engine configuration | Inline 4 cylinder, four-stroke | Number of cylinders | 4 |
| Bore | 98mm (WP3.2) | Stroke | 105mm(WP3.2) |
| 89mm (WP2.3N) | 92mm(WP2.3N) | ||
| 94mm(WP3N) | 107mm(WP3N) | ||
| 105mm(WP4.1) | 118mm(WP4.1) | ||
| Displacement | 3.17L(WP3.2) | Intake mode | Naturally aspirated |
| 2.3L(WP2.3N) | |||
| 2.97L(WP3N) | Supercharged | ||
| 4.09L(WP4.1) | |||
| Oil consumption rate | ≤0.1g/kw.h | Minimum fuel consumption rate | 190g/kw.h |
| Start mode | Electric start | Noise | ≤85dB(A) |
| Firing order | 1-3-4-2 | Rotation direction (facing free end) | Clockwise |
| Engine size (approximate; final size depends on options) | ||||
| WP3.2 | WP2.3N | WP3N | WP4.1 | |
| Length | 752mm | 860mm | 830mm | 1062mm |
| Width | 508mm | 650mm | 690mm | 625mm |
| Height | 600mm | 800mm | 780mm | 918mm |
| Height of lifting cylinder | 600mm | 600mm | 600mm | 800mm |
| Dry net weight (basic working engine without optional accessories) | 300kg | 300kg | 350kg | 400kg |