
Aowei 11-liter 420 and 460 mainly differ in horsepower. The 11-liter engine has different horsepower stages. The Xichai Aowei 11-liter 6DM engine covers 390/420/460 horsepower. The displacement is the same, but the horsepower varies. Similarly, the Dongfeng Tianlong Renault DCI-11-liter engine horsepower ranges from 340/350/375/385/420 horsepower. Classification of engines: Depending on the power source, automotive engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrids, among others. Principle of engines: Common gasoline and diesel engines are both reciprocating piston internal combustion engines, converting the chemical energy of fuel into the mechanical energy of piston motion to output power. Gasoline engines have high rotational speeds, are lightweight, produce less noise, are easy to start, and have lower manufacturing costs; diesel engines have a higher compression ratio, better thermal efficiency, and superior economic and emission performance compared to gasoline engines.

As a guy who often drives trucks, I think the main difference between the Aowei 11-liter 420 and 460 lies in their power. The 420-horsepower version is particularly fuel-efficient when hauling regular cargo on flat roads. For someone like me who does urban distribution, it can save hundreds of yuan in fuel costs per month. On the other hand, the 460-horsepower model has more strength, making it suitable for steep climbs or heavy loads, such as transporting ore in mountainous areas—it starts faster and has much stronger power. The 460 version consumes a bit more fuel, which can be wasteful if the workload is light. There’s also a significant price difference, with the 420 being more affordable. However, the 460 has ample power reserves, and under long-term harsh road conditions, engine wear might actually be less. Overall, it depends on your needs. If you ask me, prioritize your load requirements rather than just focusing on horsepower numbers.

I work on budgeting for our fleet. The key difference between these two engines lies in horsepower figures - 420 vs 460. The 460HP version costs about 10,000 yuan more upfront and consumes roughly 10% more fuel, leading to significantly higher long-term fuel expenses. However, for frequent overloaded hauls or mountain routes, its superior power can save time and boost efficiency, potentially lowering overall operating costs. The 420HP model is more economical with lower maintenance costs and better parts availability, making it ideal for medium-to-light loads. Both meet China VI emission standards with negligible environmental differences. When purchasing, I recommend comprehensive cost analysis - higher horsepower doesn't always mean better value.

For drivers who have operated many such trucks, the difference between the Aowei 11-liter 420 and 460 is quite noticeable. The 420 horsepower offers smooth and stable performance in daily driving, with flexible gear shifts, but it can struggle when climbing slopes with a full load. The 460 horsepower delivers strong power, especially when starting on a slope or when time-sensitive cargo is involved, providing quick response and ample power. In terms of fuel consumption, the 460 consumes slightly more diesel, but it performs more steadily under poor road conditions or heavy loads. The chassis tuning is similar; the key is to consider whether you prioritize urgent tasks or relaxed driving. Frequent drivers should test drive to feel the difference in power.


