The WP4.1N engine has a compact structure, high reliability, strong power, and good economy.
Overview
Weichai's new generation high-end engine platform product, with a power coverage of 125-140kW, meets the emissions requirements of National V/National VI/Euro VI, and is suitable for N2 and N3 light-duty trucks.
rated power
Company:American metric system
| maximum power |
190 hp140 kW
|
| minimum power |
170 hp125 kW
|
| Maximum torque speed |
680/（1300-1900） N.m / r/min |
emission standard
| emission standard |
National V/National VI/Euro VI |
routine
| Product Series |
WP4.1N |
| fuel |
diesel |
| engine type |
Inline 4-cylinder, four stroke engine |
| Cylinders |
4 |
| Number of valves |
4 |
| bore |
105 mm |
| itinerary |
118 mm |
| displacement |
4.1 L |
| Air intake method |
turbocharged intercooled |
| compression ratio |
18:1 |
| combustion system |
Electric controlled high-pressure common rail |
Engine size (approximate final size depends on optional components)
| length |
945 mm |
| width |
700 mm |
| height |
727 mm |
| G weight |
390 kg |
high reliability
- Adopting wet cylinder liners, gantry drum shaped body, integral cast iron cylinder head, and newly designed moving parts such as pistons, connecting rods, crankshafts, and bearing shells, the B10 has a lifespan of 800000 kilometers
- Adopting Weichai's high-quality supplier system for heavy-duty trucks, developed according to the high reliability requirements of the heavy-duty truck industry
- The body and cylinder head are independently cast and processed by Weichai, with high consistency
Excellent NVH performance
- Rear gear compartment, enclosed flywheel housing, plastic cylinder head cover, and secondary balancing mechanism effectively reduce noise, with noise levels as low as 92dB (A) under common operating conditions
Ultra low fuel consumption
- Minimum fuel consumption rate 195g/kW • h
Powerful
- Power 125kW~140kW, maximum torque 680N. m/(1300~1900) r/min
- Competitors of the same displacement, with greater torque, higher power, and powerful performance
Good adaptability
- Modular design, compact peripheral accessory layout structure, diverse optional structures, and wider adaptability to various fields
- N platform products have universal components such as filters, generators, and starters, which are easy to maintain
| model |
Rated power/speed
（kW/rpm） |
Maximum torque/speed
（N.m/rpm） |
Number of valves |
technical route |
displacement
（L） |
Compatible Models |
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