WP2.3N/WP3N/WP4.1N/WP6/WP7/WP10/WP12/WP13/M26/M33/M55 and other high-speed motor products are mainly used in high-speed boats, passenger ships, fishing boats, and main engines of inland water transportation in inland and offshore markets. and auxiliary engines; WHM6160/170/6WH17/12WH17 medium-speed engine products, mainly used in bulk carriers, passenger rollers, official vessels, marine support vessels, ocean-going fishing vessels, engineering vessels, multi-purpose vessels, offshore The main engine and auxiliary engine of the traffic management ship. CW200/CW250/WH620/WH20/WH25/WH28 and other medium-speed engine products are mainly used in the main and auxiliary engines of engineering ships, passenger ships, fishing ships and bulk carriers in the inland, offshore and ocean markets; MAN series L21/31, L27 /38, L32/40 and V32/40 products are mainly used in the main engines, electric propulsion and auxiliary engines of bulk carriers, engineering ships, multi-purpose ships, and marine traffic management ships in the offshore and ocean-going markets.
Product parameters
| Type |
In-line, four-stroke, water-cooled, direct injection |
Number of cylinders |
6/8 |
| Bore/Stroke |
250×300(mm) |
Displacement |
97.19L/129.59L |
| Start method |
Air/electric start |
oil consumption rate |
≤0.5g/kW.h |
| noise |
≤110dB(A) |
idle speed |
400r/min |
Crankshaft rotation direction
(facing flywheel end) |
Clockwise |
/ |
/ |
| Length×width×height/net weight |
6 cylinder
8 cylinder |
4536×1710×2829(mm)
5136×1710×2829(mm) |
16800kg
20000kg |
Product spectrum
| series |
model |
Rated power kW/Ps |
Calibration speed r/min |
Oil supply method
|
emission level |
power classification |
| WH25* |
6WH25LC1700-6.5* |
1250/1700 |
650 |
unit pump |
IMO II/China II |
P1 |
| 6WH25LC2000-7.5 |
1470/2000 |
750 |
unit pump |
IMO II/China II |
P1 |
| 6WH25LC2204-9 |
1620/2204 |
900 |
unit pump |
IMO II/China II |
P1 |
| 6WH25LC2448-9 |
1800/2448 |
900 |
unit pump |
IMO II/China II |
P1 |
| 6WH25LC2448-1 |
1800/2448 |
1000 |
unit pump |
IMO II/China II |
P1 |
| 6WH25LC2734-1* |
2010/2734 |
1000 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC2200-6* |
1618/2200 |
600 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC2500-7.5* |
1838/2500 |
750 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC2720-7.5* |
2000/2720 |
750 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC3000-9 |
2207/3000 |
900 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC3265-1 |
2400/3265 |
1000 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC3300-9* |
2427/3300 |
900 |
unit pump |
IMO II/China II |
P1 |
| 8WH25LC3645-1* |
2680/3645 |
1000 |
unit pump |
IMO II/China II |
P1
|
WH25 series marine diesel engine
- Minimum fuel consumption 180g/kW.h
- Overhaul period 25000h
- Emissions meet IMO II/China II
Product advantages
Safe and reliable
- Product overhaul period 25,000 hours
- The body is made of vermicular graphite cast iron, combined with reasonable reinforcement design, with high strength and large safety factor
- Crankshaft adopts high-strength alloy steel fiber die forging, fully balanced structure, low vibration and high reliability
- Utilizing Weichai's global excellent supplier system, the quality of parts is reliable
- Dust-free, constant temperature assembly workshop, high-precision test stand
Powerful
- High power, single cylinder power 335kW
- High explosion pressure, leading products in the same category
- High-efficiency pulse booster system for improved dynamic response and efficiency
- 50% rated speed can reach 90% rated torque
Energy saving and environmental protection
- Efficient intake and exhaust system, pulse supercharging system, minimum fuel consumption rate of 180g/kW.h
- Three piston ring structure design, with the use of scraper ring, the minimum oil consumption rate is 0.5 g/kW.h
- Emissions meet the requirements of IMO Tier II and China Stage II regulations
Easy to operate
- Modular design of peripheral components, strong maintainability, compact structure of the whole machine
- Integrated design, single cylinder head, easy disassembly and assembly of the whole machine, low maintenance cost
- Three-stage connecting rod, easy to hang the cylinder, easy to maintain
