Weichai Diesel Engines And Parts
About Weichai Diesel Engine
Weichai Power Co., Ltd. was established in 2002.
Weichai has always adhered to the operation strategy of double-wheel drive of product operation and capital operation, and is committed to building products with three core competencies of quality, technology and cost, and has successfully built up a pattern of synergistic development of powertrain (engine, transmission, axle and hydraulic), vehicle and machine, intelligent logistics and other industrial sectors, with brands such as “Weichai Power Engine”, “Faster Transmission”, “Hand Axle”, “Shaanxi Auto Heavy Truck” and “Linde Hydraulic”.

Where are the Weichai engines applied?
Weichai engines suitable for buses, hybrids, European light buses, school buses, special purpose vehicles, diesel generators, water pumps and agricultural machineries.
Weichai truck power products, displacement from 2.3L to 13L, power from 70kw to 426kw, meet the different emission requirements of National V and National VI; can be matched with tractor, medium and heavy dump truck, medium and heavy truck, medium and heavy special vehicle, light truck, light dump truck, light special vehicle
Weichai construction machinery engine with electric control high-pressure common rail; power range: 36.8-566kW, supporting applications: loaders, excavators, bulldozers, forklifts, cranes, road rollers, graders.
WP2.3N/WP3N/WP4.1N/WP6/WP7/WP10/WP12/WP13/M26/M33/M55 and other high-speed machine products are mainly applied to passenger ships, fishing vessels and inland waterway transport in inland and offshore markets; WHM6160/170/6WH17/12WH17 medium-speed machine products are mainly applied to Bulk carriers, passenger roll-on/roll-off vessels, public service vessels, offshore support vessels, ocean-going fishing vessels, engineering vessels, multi-purpose vessels in inland.












Why Choose BQPARTS?
We are an authorized agent of Weichai engine parts with 10 year of experience, our parts are always reasonably priced and based on excellent quality.
We have over 5,000 different types of parts in stock, inventory quantity over 10,000 pieces
Our average delivery time is 2 to 3 days based on large inventory, can be done in a day at the earliest
Our response time is real-time during working hours, non working hours average 3 to 8 hours
We always provide free quote for each customer’s reference
You're welcome to inquire, we' re happy to help you!
What Are The Key Parts Of An Engine

1.Composition of diesel engine
Diesel engine is composed of the following parts: engine block, cylinder liner, oil pan, cylinder head, piston, connecting rod, flywheel, crankshaft, transmission mechanism parts, camshaft, starter, generator, intake pipe, exhaust pipe, oil pump, fan pulley parts, oil filter, oil cooler, oil pipe, water pump, water pipe, fuel pipe, injector, instrument, water tank, supercharger, high pressure oil pump, timing gear and so on.
2.The key parts of an engine
The key parts of an engine are Crankshaft, Piston, Piston ring, Cylinder liner, Cylinder block, Cylinder head, Connecting rod, Fuel injection pump, Oil pump, Water pump, Valves, Enigne bearings, Injector and so on.
3. The parts category of an engine
A professional engine supplier with many years of experience, we provide you with complete parts for an engine, Check out the following accessory categories and you will see that we not only provide Weichai engines, but also FAWDE, Yuchai, Yanmar, Mitsubishi, Isuzu, Xinchai, Quachai, YTO, Cummins, Shanghai Diesel engine and so on.
What are the main models of weichai diesel engine?
- Engine model: RA428Q150E50 RA428Q163E50 RA428Q150E61 RA428Q163E61 RA428Q163E61
- Displacement 2.8L
- Number of cylinder 4
- Applicable model: 5–6M Sprinter, high-end COASTER, VAN
- Engine model: WP2.3NQ130E50 WP2.3NQ120E61 WP2.3NQ130E61 WP2.3Q115E62
- Displacement 2.3L
- Number of cylinder 4
- Applicable model: 4 cylinders 5–6M buses, HIACE,light buses, VANs
– – – – – –
- Engine model: WP2.3NQ120E50 WP2.3NQ130E50 WP2.3NQ120E61 WP2.3NQ130E61 WP2.3Q110E50 WP2.3Q95E50
- Displacement 2.289L
- Number of cylinder 4
- Applicable model: Light-duty trucks, special vehicles, dump trucks
– – – – – –
- Engine model: WP2.3NG75E308 WP2.3NG75E301 WP2.3NG65E301 WP2.3NQ120E150 WP2.3NQ130E150 WP2.3NQ120E61 WP2.3NQ130E61
- Displacement 2.3L
- Number of cylinder 4
- Applicable model: aerial work platforms, 8–9T excavators, Light truck, special vehicle, engineering dump truck
– – – – – –
- Engine model: WP2.3NC54-18E220 WP2.3NC68-18E220 WP2.3NC82-18E220 WP2.3NC102-18E220 WP2.3NC110-18E220 WP2.3NC130-18E220 WP2.3NC54-18E220 WP2.3NC68-18E220 WP2.3NC82-18E220 WP2.3NC102-18E220 WP2.3NY102-18E220 WP2.3NC110-25E220 WP2.3NY110-25E220 WP2.3NC130-32E220 WP2.3NY130-32E220
- Displacement 2.3L
- Number of cylinder 4
- Applicable model: marine diesel engines
– – – – – –
- Engine model: WP2.3NG102E300 WP2.3ND66E310 WP2.3ND105E313
- Displacement 2.3L
- Number of cylinder 4
- Applicable model: 90Ps tractors, Diesel generators
– – – – – –
- Engine model: WP2.5NQ150E61 WP2.5NQ160E61
- Displacement 2.5L
- Number of cylinder 4
- Applicable model: buses
- Engine model: WP3NQ140E50 WP3NQ150E50 WP3NQ160E50 WP3NQ140E61 WP3NQ150E61 WP3NQ160E61 WP3NQ150E62 WP3NQ158E62 WP3NQ170E62
- Displacement 3L
- Number of cylinder 4
- Applicable model: 6.6–9M school buses, 7–7.5M passenger buses, high-end MPVs, Light-duty, medium-duty trucks, special vehicles, engineering dump trucks
– – – – – –
- Engine model: WP3NC115-30E220 WP3NY115-30E220 WP3NC130-30E220 WP3NY130-30E220 WP3NC150-30E220 WP3NY150-30E220 WP3NC160-30E220 WP3NY160-30E220
- Displacement 3L
- Number of cylinder 4
- Applicable model: Marine diesel engine
– – – – – –
- Engine model: WP3ND82E310 WP3ND132E313
- Displacement 3L
- Number of cylinder 4
- Applicable model: diesel generator
– – – – – –
- Engine model: WP3.2G61E347 WP3.2G61E317 WP3.2G60E346 WP3.2G50E310 WP3.2G50E311 WP3.2G50E317A WP3.2G50E340 WP3.2G50E341 WP3.2G50E347 WP3.2G50E347A WP3.2G50E347C
- Displacement 3.17L
- Number of cylinder 4
- Applicable model: 5–6T excavators, 2.5–3.5T forklifts, small multi-purpose machinery
– – – – – –
- Engine model: WP3.2C34-15E321 WP3.2C37-18E321 WP3.2C41-15E321 WP3.2C50-24E321
- Displacement 3.17L
- Number of cylinder 4
- Applicable model: Marine diesel engine
– – – – – –
- Engine model: WP3.2G48E346 WP3.2G50E346 WP3.2G61E316 WP3.2G50E347 WP3.2G61E316
- Displacement 3.17L
- Number of cylinder 4
- Applicable model: 40/45Ps tractors, 80-100mm light drill
- Diesel engine model: WP4.1NQ170E50 WP4.1NQ190E50 WP4.1NQ170E61 WP4.1NQ190E61
- Displacement 4.1L
- Number of cylinder 4
- Applicable model Displacemen7.5–8M passenger buses, 8–9M public buses、school buses
– – – – – – –
- Diesel engine model: WP4.1NQ170E50 WP4.1NQ190E50 WP4.1NQ170E61 WP4.1NQ190E61 WP4.135E50 WP4.150E50 WP4.165E50 WP4.1Q140E50 WP4.1Q150E50 WP4.1Q160E50 WP4.1Q165E50
- Displacement 4.1L
- Number of cylinder 4
- Applicable model:Trucks, dump trucks
– – – – – – –
- Diesel engine model: WP4.1NG175E300 WP4.1NG160E301 WP4.1G70E301 WP4.1G82E301 WP4.1G85E311 WP4.1G88E301 WP4.1G100E311 WP4.1G102E301 WP4.1G125E302 WP4.1G140E301
- Displacement 4.1L
- Number of cylinder 4
- Applicable model:35-45T crawler crane, 6-14T double drum roller, skid steer loaders, forklifts, excavators, loaders, sweepers, rollers
– – – – – –
- Diesel engine model: WP4.1C68-15 WP4.1C54-15 WP4.1C82-18 WP4.1NC120-18E220 WP4.1NC143-18E220 WP4.1NC130-21E220 WP4.1NC163-21E220 WP4.1NC177-23E220 WP4.1NC190-26E220
- Displacement 4.1L
- Number of cylinder 4
- Applicable model:Marine diesel engine
– – – – – – –
- Diesel engine model: WP4.1NG154E301 WP4.1NG160E301 WP4.1NG175E301 WP4.1NG175E301A WP4.1NG154E300 WP4.1NG160E300 WP4.1NG175E300 WP4.1N154E301 WP4.1N175E301 WP4.1G90E301 WP4.1G90E301 WP4.1G110E310A WP4.1G120E310A WP4.1G140E301 WP4.1G154E310
- Displacement 4.1L
- Number of cylinder 4
- Applicable model:wheat harvester, corn harvester, tractor
– – – – – – –
- Engine model: WP4.6NQ220E50 WP4.6NQ220E61
- Displacement 4.6L
- Number of cylinder 4
- Applicable model: 8–8.5M passenger buses, 9–11M public buses, school buse
– – – – – – –
- Engine model: WP4.6NQ220E50 WP4.6NQ220E61 WP4.6NQ200E61A WP4.6NQ220E61A WP4.6NQ200E62 WP4.6NQ220E62 WP4.135E50 WP4.150E50 WP4.165E50
- Displacement 4.58L
- Number of cylinder 4
- Applicable model: Truck, dump truck, special vehicle
– – – – – – –
- Engine model: WP4.6NG175E301 WP4.6NG125E300 WP4.6NG125E301 WP4.6NG125E303 WP4.6NG190E305 WP4.6NG190E301 WP4.6NG200E301 WP4.6NG200E303 WP4.6NG210E301 WP4.6NQ220E61A WP4.6NG190E310 WP4.6NG200E300 WP4.6NG210E303
- Displacement 4.6L
- Number of cylinder 4
- Applicable model: excavator, loader, roller, crane
– – – – – – –
- Engine model: WP4C82-15 WP4C95-18 WP4C102-21 WP4C54-15 WP4C82-15 WP4C95-18 WP4C102-21 WP4C120-18 WP4C130-21
- Displacement 4.5L
- Number of cylinder 4
- Applicable model: Marine diesel engine
- Engine model: WP7.240E51 WP7.270E51 WP7.300E51 WP7.270E61 WP7.300E61 WP7.270E61 WP7.300E61 WP7NG240E51 WP7NG260E51 WP7NG280E51 WP7NG210E61 WP7NG240E61 WP7NG270E61 WP7H220E62 WP7H245E62 WP7H270E62
- Displacement 7.47L 6.8L
- Number of cylinder 6
- Applicable model: 9–10.5M passenger buses, 10–12M public buses, private buses
- Engine model: WP8.320E51 WP8.340E51 WP8.320E61 WP8.350E61
- Displacement 7.8L
- Number of cylinder 6
- Applicable model: 10–12M passenger buses, 10–12M public buses, private buses
- Engine model: WP7.270E51 WP7.300E51 WP7.270E61 WP7.300E61 WP7H320E62 WP7H300E62 WP7H270E62 WP7H245E62
- Displacement 7.5L 6.8L
- Number of cylinder 6
- Applicable model: Trucks, Mixer trucks, Medium truck, special truck, engineering dump truck
- Engine model: WP6H270E61 WP6H245E61
- Displacement 6.22L
- Number of cylinder 6
- Applicable model: Medium truck, special truck
- Engine model: WP6G175E301 WP6G160E331 WP6G160E201 WP6G125E332 WP6G125E333 WP6G125E331 WP6G130E330 WP6G143E330 WP6G140E330 WP6G150E331 WP6.245E50 WP6.220E50 WP6G175E330 WP6G175E331 WP6G190E301 WP6G190E330 WP6G190E331 WP6G200E330 WP6G200E331 WP6G210E330 WP6HG175E303 WP6HG210E303 WP6HG245E303 WP6G190E330 WP6G220E330 WP6G240E330
- Displacement 6.22L
- Number of cylinder 6
- Applicable model: 120Ps bulldozers, 3T loaders, 12-26T single drum rollers, 14-16T single drum rollers, 12-26T single drum rollers, 160-165PS graders, 4T loaders, 16T forklift, 12-20T cranes, Excavators
- Engine model: WP7G210E300 WP7G240E301 WP7G220E300 WP7G220E301 WP7G210E301 WP7.240E51 WP7.270E51 WP7.300E51 WP7G158E301 WP7G173E301 WP7G193E301 WP7G230E301 WP7G270E301
- Displacement 7.47L
- Number of cylinder 6
- Applicable model: cranes, boom sections cranes, excavators, loaders, single drum rollers
- Engine model: WP6C122-15 WP6C140-23 WP6C142-18 WP6C156-21 WP6C163-23 WP6C122-15 WP6C140-23 WP6C142-18 WP6C150-15 WP6C156-21 WP6C163-23 WP6C165-18 WP6C185-21 WP6C198-23 WP6C220-23 WP6C250-23E220 WP6C220-23E220 WP6C150-15E220 WP6C198-23E220 WP6C185-21E220 WP6C165-18E220 WP6C163-23E220 WP6C156-21E220 WP6C250-23 WP6C122-15E220 WP6C142-18E220 WP6C140-23E220
- Displacement 6.75L
- Number of cylinder 6
- Applicable model: Marine diesel engine
- Engine model: WP7C150-15E120 WP7C240-18E120 WP7C268-18E120 WP7C278-21E120 WP7C300-22.5E120
- Displacement 7.47L
- Number of cylinder 6
- Applicable model: Marine diesel engine
- Engine model: WP6D132E310 WP6D152E310
- Displacement 6.75L
- Number of cylinder 6
- Applicable model: Diesel generators
- Engine model: WP7D152E310 WP7D185E310 WP7D216E310 WP7D240E310
- Displacement 7.47L
- Number of cylinder 6
- Applicable model: Diesel generators
- Engine model: WP6G150E310A WP6G160E311 WP6G160E330 WP6G175E331 WP6G180E330 WP6G220E330 WP6G220E330A WP6G210E311 WP6G210E330 WP6G180E330A WP6G200E330 WP6G190E330
- Displacement 6.75L
- Number of cylinder 6
- Applicable model: tractor, corn harvester
- Engine model: WP7G220E300 WP7G240E301 WP7G270E300 WP7G270E302 WP7G280E302 WP7G300E302
- Displacement 7.47L
- Number of cylinder 6
- Applicable model: tractor, corn harvester
- Engine model: WP8.320E51 WP8.340E51 WP8.320E61 WP8.350E61
- Displacement 7.8L
- Number of cylinder 6
- Applicable model: 10–12M passenger buses, 10–12M public buses, private buses
- Engine model: WP9H310E50 WP9H336E50 WP9H336E62 WP9H350E62
- Displacement 8.8L
- Number of cylinder 6
- Applicable model: 11–12M passenger buses, 14–18M public buses
- Engine model: WP8.320E51 WP8.340E51 WP8.320E61 WP8.350E61 WP8.320E61A WP8.350E61A WP8.320E62 WP8.350E62
- Displacement 7.8L
- Number of cylinder 6
- Applicable model: Port tractors, mixer trucks, and highway standard dump trucks
- Engine model: WP9H310E62 WP9H336E50 WP9H350E50 WP9H336E62 WP9H350E62
- Displacement 8.8L
- Number of cylinder 6
- Applicable model: Tractors, mixer truck
- Engine model: WP9HG300E300 WP9H310E50 WP9H336E50 WP9H336E62 WP9H350E62 WP9H300E300 WP9H336E300
- Displacement 8.8L
- Number of cylinder 6
- Applicable model: excavators, cranes
- Engine model: WP10H350E50 WP10H375E50 WP10H400E50 WP10H350E62 WP10H375E62 WP10H400E62 WP10HNG336E60 WP10HNG350E60
- Displacement 9.5L
- Number of cylinder 6
- Applicable model: 12M passenger buses, 14-18 M public buses, 12m coach, 12-13.7m city bus
- Engine model: WP10.300E22 WP10.340E22 WP10.380E22 WP10H375E50 WP10H400E50 WP10H375E62 WP10H400E62 WP10.310E53 WP10.336E53 WP10.350E53 WP10.375E53 WP10HNG336E60 WP10HNG350E60 WP10H400E50 WP10H350E62 WP10H375E62 WP10H400E62
- Displacement 9.7L 9.5L
- Number of cylinder 6
- Applicable model: Dump trucks, Trucks, City slag truck, highway standard truck
- Engine model: WP10.5H430E50 WP10.5H460E50 WP10.5H430E62 WP10.5H460E62 WP10.5HNG390E62 WP10.5HNG410E62
- Displacement 10.5L
- Number of cylinder 6
- Applicable model: 12m coach, 12-13.7m city bus, TRUCK-TRACOTS
- Engine model: WP10H375E50 WP10H375E62 WP10HG220E30 WP10H375E50 WP10HG336E300 WP10HG300E300 WP10G220E31NG WP10G220E33NG WP10G260E31NG WP10H375E50 WP10HG220E30 WP10H375E50 WP10G210E341 WP10G210E342 WP10G210E343 WP10G286E301 WP10G336E344 WP10.375E53 WP10.336E53 WP10.310E53 WP10G240E343 WP10G270E341 WP10G240E342 WP10G210E344 WP10G220E341 WP10G240E341 WP10G220E342 WP10G231E343 WP10G220E343 WP10G310E344 WP10G336E344 WP10G375E344 WP10G156E356 WP10G178E355 WP10G181E355 WP10G190E314 WP10G190E354 WP10G200E355 WP10G220E314
- Displacement 9.7L 9.5L
- Number of cylinder 6
- Applicable model: cranes, Loaders, Excavators, Crawler cranes, Bulldozer
- Engine model: WP10C313-21E120 WP10C350-18E120 WP10C375-21E120 WP10C395-22E120
- Displacement 9.7L
- Number of cylinder 6
- Applicable model: Marine diesel engine
- Engine model: WP10D238E350 WP10D264E350 WP10D288E350 WP10.290E53 WP10.310E53 WP10.350E53
- Displacement 9.7L
- Number of cylinder 6
- Applicable model: Diesel generators, workover rig
- Engine model: WP10G286E301 WP10G310E301 WP10G336E341 WP10G360E341
- Displacement 9.7L
- Number of cylinder 6
- Applicable model: Silage harvesters
- Engine model: WP11H480E62A WP11H460E62A
- Displacement 10.9L
- Number of cylinder 6
- Applicable model: truck-tracors
- Engine model: WP12.375E50 WP12.400E50 WP12.430E50 WP12.460E50 WP12NG350E52 WP12NG380E51 WP12NG400E50
- Displacement 11.59L 11.6L
- Number of cylinder 6
- Applicable model: 12–14M passenger buses、14–18M public buses
- Engine model: WP12.400E50 WP12.430E50 WP12.460E50 WP12.400E63 WP12.460E63 WP12.400E62 WP12.430E62 WP12.460E62 WP12.490E62
- Displacement 11.596L
- Number of cylinder 6
- Applicable model: truck-tractors, dump trucks, trucks
- Engine model: WP13.500E501 WP13.530E501 WP13.550E501 WP13.500E63 WP13.530E63 WP13.560E63 WP13.480E62 WP13.510E62 WP13.550E62 WP13NG400E61 WP13NG430E61 WP13NG460E61
- Displacement 12.54L
- Number of cylinder 6
- Applicable model: truck-tractors, dump trucks
- Engine model: WP12G220E304 WP12G240E306 WP12G245E303 WP12G250E302 WP12G265E304 WP12G360E302 WP12G280E304 WP12G350E303 WP12G290E304 WP12G220E304 WP12G240E306 WP12.460E50 WP12.430E50 WP12.375E50 WP12G460E310 WP12G460E300 WP12G430E310 WP12G400E300 WP12G360E310 WP12G400E310 WP12G380E310 WP12G375E350 WP12G350E303 WP12G340E311 WP12G245E303 WP12G336E350A WP12G336E350 WP12G310E320 WP12G310E302 WP12G250E302 WP12G265E304 WP12G280E304 WP12G290E301 WP12G290E304 WP12G250E305
- Displacement 11.596L
- Number of cylinder 6
- Applicable model: cranes, Loaders, Excavators, Crawler cranes, Bulldozer, forklift, Truck crane
- Engine model: WP13G400E342 WP13G440E342 WP13G480E310 WP13G530E310 WP13.530E501 WP13.550E62 WP13NG327E32 WP13NG360E32 WP13.500E501 WP13.530E501 WP13.550E501
- Displacement 12.54L
- Number of cylinder 6
- Applicable model: 7T 10T 11T loaders 60T wide-body dumpers 180-220T truck cranes, Workover rig
- Engine model: WP12C350-15 WP12C400-18 WP12C450-21 WP12C350-15E121 WP12C400-18E121 WP12C450-21E121 WP12C550-21E121 WP12C500-21 WP12C550E212
- Displacement 11.596L
- Number of cylinder 6
- Applicable model: Marine diesel engine
- Engine model: WP13C450-18 WP13C482-18 WP13C408-15E121 WP13C408-18E121 WP13C450-18E121 WP13C550-21E121 WP13C500-18E121 WP13C550-18E121
- Displacement 11.596L
- Number of cylinder 6
- Applicable model: Marine diesel engine
- Engine model: WP13D319E310 WP13D340E310 WP13D385E310 WP13D440E310 WP13D490E310
- Displacement 12.54L
- Number of cylinder 6
- Applicable model: Diesel generators
- Engine model: WP12G340E311 WP12G380E310 WP12G400E310 WP12G430E310 WP12G460E310 WP13G530E310 WP12G480E310 WP13G500E310 WP13G480E310 WP13G530E310
- Displacement 11.6L 12.54L
- Number of cylinder 6
- Applicable model: 300–440Ps tractors/silage harvesters
- Engine model: WP17G770E302
- Displacement 16.72L
- Number of cylinder 6
- Applicable model: 70T wide-body dump trucks, milling machines, road cold recyclers