13L diesel engine Yuchai how to play

In recent years, with the slowdown of national infrastructure construction, the domestic commercial vehicle market has become increasingly fierce. Especially in the truck industry, more than 30 tons of high-end, heavy-duty trucks welcome new growth opportunities.

As the core of trucks, the development and production of heavy-duty engines are also receiving increasing attention. As early as 2009, Yuchai and other engines took the lead in developing a 13-liter diesel engine. Of course, many internal combustion engine manufacturers have also launched their own products one after another. This is good for the entire industry and end customers. It is the various companies that surpass each other to promote the development of the industry. If the competition in the internal combustion engine industry is a big show, then how does Yuchai play in heavy diesel engines?

Yuchai Diesel Engine and Gas Engine

Yuchai developed the 13-liter diesel engine YC6K13 earlier. However, it is mostly used in the shipbuilding industry. This is mainly due to the current heavy truck market decision. Yuchai's engines are mainly used in heavy-duty trucks, of which 3 are 13-liter YC6KN gas engines, 12-liter YC6K diesel engines, and 12-liter YC6KN gas engines. The other four are 10 litre YC6MK diesel engines and gas engines. Quasi-heavy card power YC6L diesel engine, gas engine.

Yuchai 13L engine

Yuchai 13L engine

Everyone may also see that Yuchai is indeed a diesel engine and a gas engine. It is worth mentioning that the YC6K13 litre gas engine. On April 12, 2013, this engine and the joint truck K Gold Edition went offline. This engine has a displacement of 12.939 liters. It has the largest displacement on the current domestic batch of vehicle gas engines. The horsepower range covers 380-440 horsepower and the maximum torque is 1880 Nm. Due to the advantages of displacement, the problem of insufficient natural gas heavy truck torque and poor climbing acceleration performance has been solved.

Integrated integrated cylinder head, cylinder head with integrated intake pipe, more compact structure. High-efficiency reverse-cooling technology (TOP DOWN) The cooling liquid cylinder head flows into the cylinder to cool down. The coolant flow rate is high and the cooling efficiency is higher, which solves the problem of high natural gas engine heat load.

The 6K13N integrates the internal cylinder brake (compression release brake) to enhance the safety performance of the vehicle.

Why Yuchai will attack the gas engine market in large numbers? In fact, gas engines have a better market prospect.

The first course is that users like natural gas heavy trucks. Theoretically speaking, natural gas heavy trucks can reduce the cost of more than 40% at the end of use, but according to actual user feedback, the actual cost of use is between 30% and 40%, and 35% may be closest to the true level. According to our simple calculation, a Shaanxi Tonka 40-ton tractor can save fuel costs by nearly RMB 140,000 a year if it travels 150,000 kilometers per year. It does not need a year to recover the cost of a new one-off purchase. Natural gas heavy trucks do not contain sulfur, mercury and other particulates because they emit less engine losses and have a much longer service life than diesel vehicles. Therefore, the economic effects are even more significant.

It is reported that in the near future, the way out for natural gas vehicles will open up, especially for natural gas commercial vehicles. The "13th Five-Year Plan" for natural gas prepared by the National Energy Administration has passed the review and submitted to the State Council for approval. It is expected that it will be announced soon.

For LNG heavy trucks, superior economics of use will lead to changes in the demand structure. With the continuous improvement of the LNG refueling station network layout and continuous breakthrough in LNG storage technology, the proportion of LNG heavy truck sales will gradually increase, reaching a certain zero. After the cut-off point, large-scale replacement of diesel heavy trucks will occur.

In terms of the world's energy security and social effects, LNG vehicles have outstanding advantages in terms of fuel safety, vehicle service life, and other important factors in addition to environmental protection and economy.

Yuchai's heavy-duty engine won the fuel-saving award

On November 25, 2014, at the award ceremony of the 7th China International Trucking Fuel Contest held in Beijing, the combined trucks were equipped with a 6×4 tractor with a 6K12 engine and a LNG tractor with a combined 6K13N engine. The tractors won the championships of the respective groups. This is the second pick-up fuel-saving championship of a joint truck equipped with a Yuchai engine.

In this competition, a natural gas traction vehicle equipped with a Yuchai United 6K13N engine integrated the SGIL gene (smart, safe, environmentally friendly, and lightweight) of the joint truck. In terms of dynamics, the YC6K13N engine is the largest source of natural gas in the same power segment in China. It is a one-stop solution to the industry problem of “small horse-drawn vehicles”. In terms of economy, this engine uses lean-burn technology to effectively reduce gas consumption. Energy costs are less than 25% less than diesel vehicles. In this contest, LNG tractors equipped with YC6K13N engines lived up to the expectations and beat the pack with excellent results of 0.8kg/ton/100km.

In addition, the 6×4 tractor equipped with Yuchai United 6K12 diesel engine participated in the second competition and successfully defended!

"Our two award-winning products have a common feature, and its own engine platform is very advanced." Said Shen Yangbo, deputy general manager of Ji Rui Union Truck Marketing Services Limited. Both vehicles are equipped with YC6K series engines. This engine platform that has been on the market for more than three years, whether it is diesel or natural gas models, has undergone sufficient market verification and is economically commendable. The outstanding performance of the six advanced technologies such as precision combustion, electronic control, and engine reverse cross-flow cooling technology integrated in the K series have also been fully recognized by users, and are truly satisfied trucks.

In the current fuel-efficient competition, the K Gold Edition won the “Energy Conservation Champion” of the LNG Group with an outstanding performance of 0.8 kg per 100 km of gas consumption. In this regard, Shen Yangbo said that the K Gold Edition can be said to have "no rivals" since it was put on the market. It compensates for the shortcomings of the natural gas engine's weaker power, the use of an autonomous injection control system with higher injection accuracy, excellent performance in terms of climate, and an average energy cost that is 25% lower than that of a diesel vehicle. “This excellent solar performance is based on technology. This is the result of five or six years of R&D accumulated. Of course, the next step we will continue to push forward with this model's continuous improvement in fuel economy, Subsequent development in terms of dual fuel, light weight, etc.” Shen Yangbo added.

It is remarkable that at the end of 2014, Yuchai United Power announced at the 2015 business conference four new products, namely the “National Blue Car” and “Blue Whale” series of marine vessels. The Blue Whale Power DK Series, Blue Whales Power NK series, Blue Whale Power SK series marine DPCI engines, fuel types are diesel, natural gas, dual fuel. The newly released products all have the characteristics of low emission, high efficiency, low energy consumption and light weight. They use the five most advanced technologies that Yuchai has tackled.

Among them, the new DPCI (bi-fuel) new product is a fully electronically controlled four-car engine. Its advantages are obvious: first, its power performance is outstanding; second, its thermal efficiency is higher than that of the original machine, its natural gas price is lower than that of diesel, and its economic benefits are obvious; Third, high reliability, reduce some of the gas machine special faults, retain the lubricating effect of diesel, DPCI engine valve and seat ring wear much less than pure gas machine, heat load and the same as the original machine; fourth, no ignition system, Lower maintenance costs.

As a result, Yuchai is getting wider and wider on the road of heavy-duty diesel engines.  

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