WP7 series engine for construction machinery
As an engine manufacturer founded early in China, Weichai Power has been a major supplier of the construction machinery industry of China. It boosts the whole series of engines for construction machinery, with the displacement ranging from 2.3L to 17L and the power ranging from 36.8kW to 566kW. These engines meet China III emission standard for diesel engines for non-road mobile machinery, China V, China VI, EU Stage II/III, EU V/VI, BS (CEV) III, and MAR-I emission standards. Weichai engines for construction machinery (China III emission standard for diesel engines for non-road mobile machinery) is applied with the electronically controlled high-pressure common rail, with the power ranging from 36.8kW to 566kW, and are applicable to loaders, excavators, bulldozers, forklifts, cranes, rollers, graders, small multi-purpose machinery, aerial work platforms, sanitation equipment, wide-body dump trucks, large road building machinery, etc.
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Product portfolio A
| Model | Displacement (L) |
Number of valves per cylinde | Rated power/speed (kW/rpm) |
Maximum torque/speed (N.m/rpm) |
Technical route | Applicable model |
| WP7.240E51 |
7.47
|
4
|
176/2100 | 1050/1200-1600 |
CR+SCR
|
20T cranes |
| WP7.270E51 |
7.47
|
4
|
199/2100 | 1160/1200-1600 |
CR+SCR
|
25T (4 boom sections) cranes |
| WP7.300E51 |
7.47
|
4
|
220/2100 | 1250/1200-1600 |
CR+SCR
|
25T (5 boom sections) cranes |
| WP7G158E301 |
7.47
|
4
|
116/2000 | 630/1400-1500 |
CR
|
20T excavators |
| WP7G173E301 |
7.47
|
4
|
127/2000 | 760/1400-1500 |
CR
|
23-25T excavators |
| WP7G193E301 |
7.47
|
4
|
142/2000 | 900/1400-1500 |
CR
|
27T excavators |
| WP7G230E301 |
7.47
|
4
|
170/2000 | 1050/1200-1500 |
CR
|
28T excavators |
| WP7G270E301 |
7.47
|
4
|
199/2000 | 1200/1200-1500 |
CR
|
30T excavators |
| WP7G210E300 |
7.47
|
4
|
154/2200 | 950/1300-1500 |
CR
|
5T loaders |
| WP7G210E301 |
7.47
|
4
|
154/2000 | 980/1300-1500 |
CR
|
5T loaders |
| WP7G220E301 | 7.47 | 4 | 162/2000 | 1000/1300-1500 | CR | 5T loaders |
| WP7G220E300 | 7.47 | 4 | 162/2200 | 1000/1400-1600 | CR | 5T loaders |
| WP7G240E301 | 7.47 | 4 | 176/2200 | 1100/1400-1600 | CR | 26-30T single drum rollers 240T graders |
Product spectrum B
| model | Displacement (L) |
Number of valves per cylinder | Rated power/speed (kW/rpm) |
Maximum torque/speed (N · m/rpm) |
Technical route | Suitable models |
| WP7G200E472 | 7.47 | 4 | 147/2200 | 930/1200～1400 | CR+DOC+DPF+SCR+ASC | 160-170ps static pressure bulldozer/180-120ps motor grader |
| WP7G207E471 | 7.47 | 4 | 152/1800 | 975/1200-1400 | CR+DOC+DPF+SCR+ASC | 160-170ps static pressure bulldozer |
| WP7G220E472 | 7.47 | 4 | 162/2200 | 900/1500 | CR+DOC+DPF+SCR+ASC | 9m paver/210-220Ps grader |
| WP7G220E475 | 7.47 | 4 | 162/2200 | 1080 | CR+DOC+DPF+SCR | 6T static pressure loader |
| WP7G240E472 | 7.47 | 4 | 177/2200 | 952/1800 | CR+DOC+DPF+SCR+ASC | 1m milling machine/230-240Ps grader |
| WP7G280E472 | 7.47 | 4 | 260/2200 | 1100/1800 | CR+DOC+DPF+SCR+ASC | 260-270Ps Grader |
| WP7G300E473 | 7.47 | 4 | 221/2200 | 1200/1400～1600 | CR+DOC+DPF+SCR+ASC | 60-110t crawler crane |
Product advantages
Fuel system
- Weichai’s special “three-level nanny filter” completely removes the water and impurities from the fuel, reducing the failure rate of the fuel system significantly.
Lubrication system
- It can realize the remote signal transmission of oil filter, effectively improving the arrangement and maintenance convenience of the vehicle.
Intake system
- The radial seal multi-level compound dust filter is used for easy replacement and maintenance of filter element and higher filtration efficiency.
Drivetrain
- The rear-mounted gear system with shear gear design ensures smooth running and low noise.
High comfort
- The standard unique “engine block vibration damping web” applies the reasonable cambered surface design and effective reinforcement arrangement, improving the stiffness of the skirt; the reinforced oil sump features high strength and modality, effectively suppressing the radiation noise.
Drain interval
- 500h oil drain interval.
Environmental adaptability
- Temperature -35℃～50℃ ,altitude below 4000m.
WP7 series engine for construc...
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