What are the howo A7 engine ?

- The D12 series engine of China National Heavy Duty Truck, consisting of newly designed HOWO A7 engine parts, has a power range of 340-460Ps. it is the most fuel-efficient engine in China and the heart of China’s powerful trucks. good manoeuvrability, larger displacement and power make the HOWO A7 series of trucks gain big power.
- All engines of HOWO A7 series models are electronically controlled high-pressure common rail National III engines. In addition to inheriting all the excellent features of National II engines, the National III engines of China National Heavy Duty Truck are also matched with low fuel consumption whole trucks by optimising the engine characteristics according to the characteristics of the A7 products’ own driveline and devoting efforts to low fuel consumption.
Parameters of howo A7 engine
We always lead the new trend of modern society and aim to provide high quality Howo a7 engine to our customers worldwide . We take it upon ourselves to establish a good social and brand image and to carry out an accurate and effective market positioning. We are constantly improving our services under the guidance of our quality policy “Customer’s needs are quality”.
Model | D12.34-30 | D12.39-30 | D12.42-30 | D12.46-30 |
Type | Inline 6 cylinder, water cooled, 4 stroke, supercharged inter cooler and high pressure common rail | |||
Cylinder Valves | 4 | 4 | 4 | 4 |
Bore×Stoke (mm) | 126×155 | 126×155 | 126×155 | 126×155 |
Displacement (L) | 11.596 | 11.596 | 11.596 | 11.596 |
Compression ratio (mm) | 17:01 | 17:01 | 17:01 | 17:01 |
Rated Power KW (ps) | 249 (340) | 279 (380) | 309 (420) | 339 (460) |
Rated Speed (r/min) | 2000 | 2000 | 2000 | 2000 |
Max. Torque (Nm) | 1470 | 1650 | 1820 | 2000 |
Our competitive advantage of howo A7 engine cab
1. Optimised body structure, light weight, high rigidity and large loading capacity.
2. High strength steel for long service life.
3. Optimised sealing structure with better sealing effect.
4. Key components are made of the world’s top technology products.
5. Based on strong technical support and top technology, the truck has high quality and higher reliability.
6. Competitive price and high cost performance
7. Fast delivery time, we can arrange production accurately and quickly according to your needs.
8. Professional precedence in import and export transactions, making customs clearance more efficient
Hear from our customers
Packing of howo A7 engine parts
- Package: Multiple pertection by bubble film(anti-rust),carton,strenthened carton,big wooden box.
- Transportation: Howo A7 engine parts are packed in containers and transported through ports. For sample orders, small orders or urgent orders, express delivery will be a better way.


